Contents Wiring diagrams Section: Mechanical - Hydraulic All sections

Disc Brake System Cadillac CTS II

Mechanical - Hydraulic 6 illustrations ~17633 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Brake Caliper Bleeder Valve - Front (All)14 N.m124 lb in
Brake Caliper Bleeder Valve - Rear (All)13 N.m115 lb in
Brake Caliper Bolt - Front (J56)175 N.m129 lb ft
Brake Caliper Bolt - Rear (J56)130 N.m96 lb ft
Brake Caliper Bracket Bolt - Front (JE5, J55)230 N.m170 lb ft
Brake Caliper Bracket Bolt - Rear (JE5, J55)135 N.m100 lb ft
Brake Caliper Bridge Pin Bolt - (J56)33 N.m24 lb ft
Brake Caliper Pin Bolt - Front (JE5, J55)63 N.m46 lb ft
Brake Caliper Pin Bolt - Rear (JE5, J55)60 N.m44 lb ft
Brake Hose Fitting Bolt - Front and Rear49 N.m36 lb ft
Brake Rotor Screw - Front14 N.m124 lb in
Brake Rotor Screw - Rear12 N.m106 lb in

Disc Brake Component Specifications

ApplicationSpecification
MetricEnglish
Brake Pads
Taper0.15 mm0.006 in
Front Brake Rotor JE5
Rotor Diameter316.0 mm12.44 in
Rotor Discard Thickness*28.5 mm1.122 in
Rotor Maximum Allowable Assembled Lateral Runout0.06 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.025 mm0.001 in
Rotor Thickness (New)30.0 mm1.181 in
Front Brake Rotor J55
Rotor Diameter345.0 mm13.58 in
Rotor Discard Thickness*28.5 mm1.122 in
Rotor Maximum Allowable Assembled Lateral Runout0.06 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.025 mm0.001 in
Rotor Thickness (New)30.0 mm1.181 in
Front Brake Rotor J56
Rotor Diameter370.0 mm14.57 in
Rotor Discard Thickness*32.0 mm1.259 in
Rotor Maximum Allowable Assembled Lateral Runout0.06 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.025 mm0.001 in
Rotor Thickness New34.0 mm1.338 in
Rear Brake Rotor JE5
Rotor Diameter315.0 mm12.40 in
Rotor Discard Thickness*21.5 mm0.846 in
Rotor Maximum Allowable Assembled Lateral Runout0.06 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.025 mm0.001 in
Rotor Thickness New23.0 mm0.906 in
Rear Brake Rotor J55
Rotor Diameter339.0 mm13.35 in
Rotor Discard Thickness*21.5 mm0.846 in
Rotor Maximum Allowable Assembled Lateral Runout0.06 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.025 mm0.001 in
Rotor Thickness New23.0 mm0.906 in
Rear Brake Rotor J56
Rotor Diameter365.0 mm14.37 in
Rotor Discard Thickness*26.0 mm1.023 in
Rotor Maximum Allowable Assembled Lateral Runout0.06 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.025 mm0.001 in
Rotor Thickness New28.0 mm1.102 in
* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.

Brake Rotor Thickness Measurement

WARNINGRefer to Brake Dust Warning .
  1. If the inboard friction surface of the brake rotor is not accessible, reposition and support the caliper with the brake pads. Refer to «Front Disc Brake Pads Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Disc Brake Pads Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) and/or «Rear Disc Brake Pads Replacement (JE5, J55)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Rear Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  2. Clean the friction surfaces of the brake rotor with denatured alcohol, or an equivalent approved brake cleaner.
  3. Using a micrometer calibrated in thousanths-of-a-millimeter, or ten-thousanths-of-an-inch, measure and record the thickness of the brake rotor at four or more points, evenly spaced around the rotor. Ensure that the measurements are only taken within the friction surfaces and that the micrometer is positioned the same distance from the outer edge of the rotor, about 13 mm (1/2 in), for each measurement.
  4. Compare the lowest thickness measurement recorded specifications. Refer to «Disc Brake Component Specifications»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__disc-brake-component-specifications) .
  5. If the lowest thickness measurement of the brake rotor is above the minimum allowable thickness after refinishing specification, the rotor may be able to be refinished, depending upon surface and wear conditions which may be present.
  6. If the lowest thickness measurement of the brake rotor is at or below the minimum allowable thickness after refinishing specification, the rotor may not be refinished.
  7. If the lowest thickness measurement of the brake rotor is at or below the discard thickness specification, the rotor requires replacement.

Brake Rotor Thickness Variation Measurement

WARNINGRefer to Brake Dust Warning .

Note. Any disc brake rotor that exhibits thickness variation exceeding the maximum acceptable level must be refinished or replaced. Thickness variation exceeding the maximum acceptable level can cause brake pulsation.

  1. If the inboard friction surface of the brake rotor is not accessible, reposition and support the caliper with the brake pads. Refer to «Front Disc Brake Pads Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Disc Brake Pads Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) and/or «Rear Disc Brake Pads Replacement (JE5, J55)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Rear Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  2. Clean the friction surfaces of the brake rotor with denatured alcohol, or an equivalent approved brake cleaner.
  3. Using a micrometer calibrated in thousandths-of-a-millimeter, or ten-thousandths-of-an-inch, measure and record the thickness of the brake rotor at 4 or more points, evenly spaced around the rotor. Ensure that the measurements are only taken within the friction surfaces and that the micrometer is positioned the same distance from the outer edge of the rotor, about 13 mm (1/2 in), for each measurement.
  4. Calculate the difference between the highest and lowest thickness measurements recorded to obtain the amount of thickness variation.
  5. Compare the thickness variation measurement to the following specification: Specification: Brake rotor maximum allowable thickness variation: 0.025 mm (0.001 in)
  6. If the brake rotor thickness variation measurement exceeds the specification, the rotor requires refinishing or replacement.

Brake Rotor Surface and Wear Inspection

WARNINGRefer to Brake Dust Warning .
  1. If the inboard friction surface of the brake rotor is not accessible, reposition and support the caliper with the brake pads. Refer to «Front Disc Brake Pads Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Disc Brake Pads Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) and/or «Rear Disc Brake Pads Replacement (JE5, J55)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Rear Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  2. Clean the friction surfaces of the brake rotor with denatured alcohol, or an equivalent approved brake cleaner.
  3. Inspect the friction surfaces of the brake rotor for the following Braking Surface Conditions: Heavy rust and/or pitting Light surface rust can be removed with an abrasive disc. Heavy surface rust and/or pitting must be removed by refinishing the rotor. Cracks and/or heat spots Excessive blueing discoloration
  4. If the friction surfaces of the brake rotor exhibit one or more of the Braking Surface Conditions, the rotor requires refinishing or replacement.
  5. Using a micrometer calibrated in thousandths-of-a-millimeter, or ten-thousandths-of-an-inch, measure and record the scoring depth of any grooves present on the rotor friction surfaces.
  6. Compare the groove scoring depth recorded to the following specification: Specification: Brake rotor maximum allowable scoring: 1.50 mm (0.059 in)
  7. If the brake rotor scoring depth exceeds the specification, or if an excessive amount of scoring is present, the rotor requires refinishing or replacement.

Brake Rotor Assembled Lateral Runout Measurement

Special Tools

  1. J-39544-KIT: Torque-Limiting Socket Set, or equivalent
  2. J-41013: Rotor Resurfacing Kit
  3. J-42450-A: Wheel Hub Resurfacing Kit
  4. J-45101: Hub and Wheel Runout Gauge
  5. J-45101-100: Conical Brake Rotor Washers
WARNINGRefer to Brake Dust Warning .

Note. Brake rotor assembled lateral runout (LRO) exceeding the maximum allowable specification can cause thickness variation to develop in the brake rotor over time, usually between 4,800-11,300 km (3,000-7,000 mi). Brake rotor thickness variation MUST be checked BEFORE checking for assembled lateral runout (LRO). Thickness variation exceeding the maximum acceptable level can cause brake pulsation. Refer to Brake Rotor Thickness Variation Measurement .

  1. Matchmark the position of the brake rotor to the wheel studs if this has not been done already.
  2. Inspect the mating surface of the hub/axle flange and the brake rotor to ensure that there are no foreign particles, corrosion, rust, or debris remaining. If the wheel hub/axle flange and/or if the brake rotor mating surfaces exhibit these conditions, perform the following steps: Remove the brake rotor from the vehicle. Refer to «Front Brake Rotor Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-brake-rotor-replacement-je5-j55) «Front Brake Rotor Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-brake-rotor-replacement-je5-j55) «Front Brake Rotor Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-brake-rotor-replacement-j56) and/or «Rear Brake Rotor Replacement (JE5, J55)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__rear-brake-rotor-replacement-je5-j55) «Rear Brake Rotor Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__rear-brake-rotor-replacement-j56) . Using the J-42450-A: Wheel Hub Resurfacing Kit , thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange. Using the J-41013: Rotor Resurfacing Kit , thoroughly clean any rust or corrosion from the mating surface of the brake rotor. Clean the friction surfaces of the brake rotor with denatured alcohol, or an equivalent approved brake cleaner.
  3. Install the rotor to the hub/axle flange using the matchmark made prior to removal.
  4. Hold the rotor firmly in place against the hub/axle flange and install one of the J-45101-100: Conical Brake Rotor Washers (1), and one lug nut (2) onto the upper-most wheel stud.
  5. Continue to hold the rotor secure and tighten the lug nut firmly by hand.
  6. Install the remaining J-45101-100: Conical Brake Rotor Washers and lug nuts onto the wheel studs and tighten the nuts firmly by hand in a star-pattern.
  7. Using the J-39544-KIT: Torque-Limiting Socket Set, or equivalent, tighten the lug nuts in a star-pattern to specification, in order to properly secure the rotor. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  8. If the brake rotor has been REFINISHED or REPLACED with a new rotor, proceed to step 14.
  9. If the brake rotor meets the following criteria, proceed to step 10. The rotor is within specifications and is being REUSED. The rotor has NOT been refinished. The rotor does NOT exhibit thickness variation exceeding the maximum allowable level.
  10. Mount a dial indicator, J-45101: Hub and Wheel Runout Gauge, or equivalent, to the steering knuckle and position the indicator button so it contacts the brake rotor friction surface at a 90 degree angle, approximately 13 mm (0.5 in) from the outer edge of the rotor.
  11. Measure and record the assembled LRO of the brake rotor. Rotate the rotor until the lowest reading is displayed on the indicator dial, then set the dial to zero. Rotate the rotor until the highest reading is displayed on the dial. Mark the location of the high spot relative to the nearest wheel stud, or studs. Measure and record the amount of LRO.
  12. Compare the brake rotor assembled LRO to the following specification: Specification: Front brake rotor maximum allowable assembled lateral runout: 0.05 mm (0.002 in) Rear brake rotor maximum allowable assembled lateral runout: 0.05 mm (0.002 in)
  13. If the brake rotor assembled LRO is within specifications, proceed to step 18. If the brake rotor assembled LRO exceeds the specification, refinish the rotor to ensure true parallelism. Refer to «Brake Rotor Refinishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-refinishing) . After refinishing the rotor, proceed to step 14.
  14. Mount a dial indicator, J-45101: Hub and Wheel Runout Gauge, or equivalent, to the steering knuckle and position the indicator button so it contacts the brake rotor friction surface at a 90 degree angle, approximately 13 mm (0.5 in) from the outer edge of the rotor.
  15. Measure and record the assembled LRO of the brake rotor. Rotate the rotor until the lowest reading is displayed on the indicator dial, then set the dial to zero. Rotate the rotor until the highest reading is displayed on the dial. Mark the location of the high spot relative to the nearest wheel stud, or studs. Measure and record the amount of LRO.
  16. Compare the brake rotor assembled LRO to the following specification: Specification: Front brake rotor maximum allowable assembled lateral runout: 0.05 mm (0.002 in) Rear brake rotor maximum allowable assembled lateral runout: 0.05 mm (0.002 in)
  17. If the brake rotor assembled LRO measurement exceeds the specification, bring the LRO to within specifications. Refer to «Brake Rotor Assembled Lateral Runout Correction»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-correction) .
  18. If the brake rotor assembled LRO measurement is within specification, install the brake caliper and depress the brake pedal several times to secure the rotor in place before removing the J-45101-100: Conical Brake Rotor Washers and the lug nuts.

Brake Pad Inspection

  1. Inspect the disc brake pads at regular intervals, or whenever the tire and wheel assemblies are removed from the vehicle.
  2. If replacement is necessary, always replace disc brake pads in axle sets.
  3. Inspect both edges of the disc brake pad friction surfaces (3). The highest rate of wear normally occurs at the trailing edge of the disc brake pads.
  4. Inspect the thickness of the disc brake pads (3) in order to ensure that they have not worn prematurely. The disc brake pad wear should be approximately even per axle set.
  5. Both front and rear disc brake pads have integral, audible wear sensors (1). When the disc brake pad wear reaches the minimum allowable thickness, the wear sensor contacts the disc brake rotor (2). The wear indicator will then produce an audible, high-pitched warning noise during wheel rotation.
  6. Replace the disc brake pads when the friction surface (3) is worn to within 0.76 mm (0.030 in) of the mounting plates.
  7. Remove the brake calipers and inspect the friction surfaces of the inner and outer disc brake pads to ensure that they are level. Place the disc brake pad friction surfaces together and measure the gap between the surfaces. If more than 0.13 mm (0.005 in) gap exists midway between the length of the disc brake pads, replace the disc brake pads.
  8. Verify that any disc brake pad shims that may be required are in place and not damaged or excessively corroded. Replace any missing or damaged shims in order to preserve proper disc brake performance.
  9. Replace the disc brake pads if any have separated from the mounting plates.
  10. Inspect the disc brake pads friction surfaces for cracks, fractures, or damage which may cause noise or otherwise impair disc brake performance.

Brake Caliper Inspection

  1. Inspect the brake caliper housing (1) for cracks, excess wear, and/or damage. If any of these conditions are present, the brake caliper requires replacement.
  2. Inspect the caliper piston dust boot seal (2) for cracks, tears, cuts, deterioration and/or improper seating in the caliper body. If any of these conditions are present, the brake caliper requires overhaul or replacement.
  3. Inspect for brake fluid leakage around the caliper piston dust boot seal (2) and on the disc brake pads. If there is any evidence of brake fluid leakage, the brake caliper requires overhaul or replacement.
  4. Inspect for smooth and complete travel of the caliper pistons into the caliper bores: The movement of the caliper pistons into the caliper bores should be smooth and even. If the caliper piston is frozen or difficult to bottom, the caliper requires overhaul or replacement. For single piston caliper applications, insert a discarded inner brake pad (2) or block of wood in front of the piston. Using a large C-clamp (1) installed over the body of the caliper (3) and against the brake pad or block of wood, slowly bottom the piston in the bore. For dual piston caliper applications, insert a discarded inner brake pad (2) or block of wood in front of the pistons. Using 2 large C-clamps (1) installed over the body of the caliper (3) and against the brake pad or block of wood, slowly bottom the pistons evenly into the bores.

Front Disc Brake Mounting and Hardware Inspection

WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level then no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level then remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Grasp the brake caliper housing and try to move the brake caliper housing up/down and forward/reverse in relation to the brake caliper mounting bracket. If excessive looseness is observed the brake caliper bracket bushings and/or the brake caliper mounting bolts may need to be replaced.
  7. Compress the front caliper pistons. Install a large C-clamp over the top of the caliper housing and against the back of the outboard pad. Slowly tighten the C-clamp until the pistons are pushed completely into the caliper bores. Remove the C-clamp from the caliper.
  8. With the pistons compressed into the caliper bores, grasp the brake caliper housing and slide it back and forth on the brake caliper mounting bolts. Check for smooth operation. If the brake caliper housing slide force is high or the brake caliper housing does not slide smoothly, inspect the brake caliper mounting bolts and/or the brake caliper mounting bracket bushings for wear or damage. If wear or damage conditions are found, replacement of the brake caliper mounting bolts and/or the brake caliper mounting bracket bushings is necessary.
  9. Remove the brake caliper mounting bolts from the brake caliper mounting bracket and support the brake caliper using heavy mechanics wire. Do Not remove the hydraulic brake hose from the caliper. Refer to «Front Brake Caliper Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Brake Caliper Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Brake Caliper Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  10. Remove the disc brake pads from the brake caliper mounting bracket.
  11. Inspect the disc brake pad mounting hardware for the following: Missing mounting hardware Excessive corrosion Bent mounting tabs Looseness at the brake caliper mounting bracket Looseness at the disc brake pads Excessive contaminants in the brake caliper mounting bracket surface and threads.
  12. If any of the conditions listed are found, the disc brake pad mounting hardware requires replacement.
  13. Ensure the disc brake pads are held firmly in place on the brake caliper mounting bracket, yet slide easily on the mounting hardware without binding.
  14. Inspect the caliper bolts (1) for the following: Binding Seizing Looseness in the brake caliper mounting bracket (3) Bent or damaged brake caliper mounting bolts Cracked or torn boots (4) Missing boots Bent or damaged brake caliper mounting bracket (3)
  15. If any of the conditions listed are found then the brake caliper mounting hardware requires replacement.
  16. Install the disc brake pads to the brake caliper mounting bracket.
  17. Install the disc brake caliper to the brake caliper mounting bracket. Refer to «Front Brake Caliper Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Brake Caliper Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Brake Caliper Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .

Rear Disc Brake Mounting and Hardware Inspection

  1. Remove the disc brake caliper from the caliper mounting bracket.
  2. Remove the disc brake pads from the caliper mounting bracket.
  3. Inspect the disc brake pad mounting hardware for the following: Missing mounting hardware Excessive corrosion Bent mounting tabs Looseness at the caliper mounting bracket Looseness at the disc brake pads
  4. If any of the conditions listed are found, the disc brake pad mounting hardware requires replacement.
  5. Ensure the disc brake pads are held firmly in place on the caliper mounting bracket, yet slide easily on the mounting hardware without binding.
  6. Install the disc brake pads to the caliper mounting bracket.
  7. Install the disc brake caliper to the mounting bracket.

Removal Procedure

WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Install a C-clamp against the outer brake pad and the rear of the brake caliper body.
  7. Slowly tighten the C-clamp until the brake caliper pistons are compressed into the brake caliper bores.
  8. Using a backup wrench on the brake caliper guide pin, remove the brake caliper guide pin bolts (1).
  9. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  10. Remove the outer brake pad (1).
  11. Remove the inner brake pad (2).
  12. Remove the brake pad springs.

Installation Procedure

  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  2. Install the brake pad springs.
  3. Install the outer brake pad (1).
  4. Install the inner brake pad (2).
  5. If reusing the caliper pin bolts, prepare the bolt and the guide pins for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  6. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolt.
  7. Allow the threadlocker to cure approximately 10 minutes before installation.
  8. Install the brake caliper to the caliper bracket.
  9. Using a backup wrench on the brake caliper guide pin, install the brake caliper guide pin bolts (1) and tighten to 63 N.m (46 lb ft).
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then repeat steps 11 and 12 until a firm brake pedal apply is obtained. This will properly seat the brake caliper pistons and brake pads.
  14. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
  15. Burnish the pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .
WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Install a C-clamp against the outer brake pad and the rear of the brake caliper body.
  7. Slowly tighten the C-clamp until the brake caliper pistons are compressed into the brake caliper bores.
  8. Using a backup wrench on the brake caliper guide pin, remove the lower brake caliper guide pin bolt (1).
  9. Pivot the brake caliper upward and support with heavy mechanics wire or equivalent.
  10. Remove the inner brake pad (1).
  11. Remove the outer brake pad (2).
  12. Remove the brake pad springs.
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  2. Install the brake pad springs.
  3. Install the inner brake pad (1).
  4. Install the outer brake pad (2).
  5. Pivot the brake caliper into position.
  6. If reusing the caliper pin bolt, prepare the bolt and the guide pin for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  7. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolt. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolt.
  8. Allow the threadlocker to cure approximately 10 minutes before installation.
  9. Using a backup wrench on the brake caliper guide pin, install the brake caliper guide pin bolt (1) and tighten to 63 N.m (46 lb ft).
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then repeat steps 11 and 12 until a firm brake pedal apply is obtained. This will properly seat the brake caliper pistons and brake pads.
  14. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
  15. Burnish the pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .
WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Remove the lower brake pad guide pin (1).
  7. Remove the brake pad spring (1).
  8. Remove the upper brake pad guide pin (1).
  9. Remove the brake caliper bridge pin bolt (1).
  10. Remove the brake caliper bridge pin (1).
  11. Remove the brake pads (1).
  12. Using a spreader tool, carefully push the brake caliper pistons into the caliper bores until fully seated.
  1. Inspect the brake pad guide pins. If damaged, or corroded replace the guide pin. Do not attempt to clean away any corrosion.
  2. Inspect the brake caliper piston boot for damage and/or deterioration, replace if damaged or deteriorated. Refer to «Brake Caliper Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-caliper-inspection) .
  3. Install the brake pads (1).
  4. Install the brake caliper bridge pin (1).
  5. Install the brake caliper bridge pin bolt (1) and tighten to 33 N.m (24 lb ft).
  6. Install the upper brake pad guide pin (1). Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  7. Install the brake pad spring (1).
  8. Install the lower brake pad guide pin (1) through the brake caliper and over the edge of the brake pad spring. Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  9. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  10. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  11. Slowly release the brake pedal.
  12. Wait 15 seconds, then repeat steps 10 and 11 until a firm brake pedal apply is obtained; this will properly seat the brake caliper pistons and brake pads.
  13. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
  14. Burnish the brake pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .
WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Release the electronic park brake cable tension, if equipped. Refer to «Parking Brake Cable Adjuster Disabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-disabling-electric) .
  5. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  6. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  7. Install a C-clamp against the outer brake pad and the rear of the brake caliper body.
  8. Slowly tighten the C-clamp until the brake caliper pistons are compressed into the brake caliper bores.
  9. Using a backup wrench on the brake caliper guide pin, remove the upper brake caliper guide pin bolt (1).
  10. Pivot the brake caliper (1) forward and support with heavy mechanics wire or equivalent.
  11. Remove the inner brake pad (1).
  12. Remove the outer brake pad (2).
  13. Remove the brake pad springs (1).
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  2. Install the brake pad springs (1).
  3. Install the inner brake pad (1).
  4. Install the outer brake pad (2).
  5. Pivot the brake caliper (1) into position.
  6. If reusing the caliper pin bolt, prepare the bolt and the guide pin for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  7. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolt. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolt.
  8. Allow the threadlocker to cure approximately 10 minutes before installation.
  9. Using a backup wrench on the brake caliper guide pin, install the brake caliper guide pin bolt (1) and tighten to 60 N.m (44 lb ft).
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then repeat steps 11 and 12 until a firm brake pedal apply is obtained. This will properly seat the brake caliper pistons and brake pads.
  14. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
  15. Set the electronic park brake cable tension, if equipped. Refer to «Parking Brake Cable Adjuster Enabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-enabling-electric) .
  16. Burnish the pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .
WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Remove the lower brake pad guide pin (1).
  7. Remove the brake pad spring (1).
  8. Remove the upper brake pad guide pin (1).
  9. Remove the brake pads (1).
  10. Using a spreader tool, carefully push the brake caliper pistons into the caliper bores until fully seated.
  1. Inspect the brake pad guide pins. If damaged, or corroded replace the guide pin. Do not attempt to clean away any corrosion.
  2. Inspect the brake caliper piston boot for damage and/or deterioration, replace if damaged or deteriorated. Refer to «Brake Caliper Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-caliper-inspection) .
  3. Install the brake pads (1).
  4. Install the upper brake pad guide pin (1). Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  5. Install the brake pad spring (1).
  6. Install the lower brake pad guide pin (1) through the brake caliper and over the edge of the brake pad spring. Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  7. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  8. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  9. Slowly release the brake pedal.
  10. Wait 15 seconds, then repeat steps 8 and 9 until a firm brake pedal apply is obtained; this will properly seat the brake caliper pistons and brake pads.
  11. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
  12. Burnish the brake pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .

Brake Pad and Rotor Burnishing

WARNINGRoad test a vehicle under safe conditions and while obeying all traffic laws. Do not attempt any maneuvers that could jeopardize vehicle control. Failure to adhere to these precautions could lead to serious personal injury and vehicle damage.

Burnishing the brake pads and brake rotors is necessary in order to ensure that the braking surfaces are properly prepared after service has been performed on the disc brake system.

This procedure should be performed whenever the disc brake rotors have been refinished or replaced, and/or whenever the disc brake pads have been replaced.

  1. Select a smooth road with little or no traffic.
  2. Accelerate the vehicle to 48 km/h (30 mph). NOTE: Use care to avoid overheating the brakes while performing this step.
  3. Using moderate to firm pressure, apply the brakes to bring the vehicle to a stop. Do not allow the brakes to lock.
  4. Repeat steps 2 and 3 until approximately 20 stops have been completed. Allow sufficient cooling periods between stops in order to properly burnish the brake pads and rotors.
WARNINGRefer to Brake Dust Warning .
WARNINGRefer to Brake Fluid Irritant Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Install a C-clamp against the outer brake pad and the rear of the brake caliper body.
  7. Slowly tighten the C-clamp until the brake caliper pistons are compressed into the brake caliper bores.
  8. Using a backup wrench on the brake caliper guide pin, remove the brake caliper guide pin bolts (1).
  9. Remove the brake hose fitting bolt (1).
  10. Remove the brake hose fitting gaskets (2) and the brake hose (3). Discard the brake hose fitting gaskets.
  11. Remove the brake caliper (1).
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  2. Install the brake caliper (1).
  3. Assemble the brake hose fitting bolt (1) and 2 new brake hose fitting gaskets (2) to the brake hose (3) and tighten the fitting bolt to 49 N.m (36 lb ft).
  4. If reusing the caliper pin bolts, prepare the bolts and the guide pins for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  5. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts.
  6. Allow the threadlocker to cure approximately 10 minutes before installation.
  7. Using a backup wrench on the brake caliper guide pin, install the brake caliper guide pin bolts (1) and tighten to 63 N.m (46 lb ft).
  8. Bleed the hydraulic brake system. Refer to «Hydraulic Brake System Bleeding (Manual)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) or «Hydraulic Brake System Bleeding (Pressure)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) .
  9. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  10. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  11. Slowly release the brake pedal.
  12. Wait 15 seconds, then repeat steps 10 and 11 until a firm brake pedal apply is obtained. This will properly seat the brake caliper pistons and brake pads.
  13. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
WARNINGRefer to Brake Dust Warning .
WARNINGRefer to Brake Fluid Irritant Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Install a C-clamp against the outer brake pad and the rear of the brake caliper body.
  7. Slowly tighten the C-clamp until the brake caliper pistons are compressed into the brake caliper bores.
  8. Using a backup wrench on the brake caliper guide pin, remove the brake caliper guide pin bolts (1).
  9. Remove the brake hose fitting bolt (1).
  10. Remove the brake hose fitting gaskets (2) and the brake hose (3). Discard the brake hose fitting gaskets.
  11. Remove the brake caliper (1).
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  2. Install the brake caliper (1).
  3. Assemble the brake hose fitting bolt (1) and 2 new brake hose fitting gaskets (2) to the brake hose (3).
  4. Install the brake hose assembly to the caliper and tighten the fitting bolt to 49 N.m (36 lb ft).
  5. If reusing the caliper pin bolts, prepare the bolts and the guide pins for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  6. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts.
  7. Allow the threadlocker to cure approximately 10 minutes before installation.
  8. Using a backup wrench on the brake caliper guide pin, install the brake caliper guide pin bolts (1) and tighten to 63 N.m (46 lb ft).
  9. Bleed the hydraulic brake system. Refer to «Hydraulic Brake System Bleeding (Manual)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) or «Hydraulic Brake System Bleeding (Pressure)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) .
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then repeat steps 11 and 12 until a firm brake pedal apply is obtained. This will properly seat the brake caliper pistons and brake pads.
  14. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
WARNINGRefer to Brake Fluid Irritant Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Remove the brake pads. Refer to «Front Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  5. Remove the brake hose fitting bolt (1). Cap the brake caliper inlet port to prevent brake fluid loss and contamination.
  6. Remove and discard the brake hose fitting gaskets (2) from the brake hose (3). Cap the brake hose fitting to prevent brake fluid loss and contamination.
  7. Remove the brake caliper bolts (1).
  8. Remove the brake caliper (1).
  1. Install the brake caliper (1).
  2. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry.
  3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  4. Install the brake caliper bolts (1) and tighten to 175 N.m (129 lb ft).
  5. Assemble the brake hose fitting bolt (1) and the 2 new brake hose fitting gaskets (2) to the brake hose (3).
  6. Install the brake hose assembly to the brake caliper and tighten the brake hose fitting bolt to 49 N.m (36 lb ft).
  7. Install the brake pads. Refer to «Front Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  8. Bleed the hydraulic brake system. Refer to «Hydraulic Brake System Bleeding (Manual)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) or «Hydraulic Brake System Bleeding (Pressure)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) .
WARNINGRefer to Brake Dust Warning .
WARNINGRefer to Brake Fluid Irritant Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Release the electronic park brake cable tension, if equipped. Refer to «Parking Brake Cable Adjuster Disabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-disabling-electric) .
  5. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  6. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  7. Install a C-clamp against the outer brake pad and the rear of the brake caliper body.
  8. Slowly tighten the C-clamp until the brake caliper piston is compressed into the brake caliper bore.
  9. Remove the brake hose fitting bolt (1).
  10. Remove the brake hose fitting gaskets (2) and the brake hose (3). Discard the brake hose fitting gaskets.
  11. Using a backup wrench on the brake caliper guide pin, remove the brake caliper guide pin bolts (1).
  12. Remove the brake caliper (1).
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Rear Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__rear-disc-brake-mounting-and-hardware) .
  2. Install the brake caliper (1).
  3. If reusing the caliper pin bolts, prepare the bolts and the guide pins for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  4. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts.
  5. Allow the threadlocker to cure approximately 10 minutes before installation.
  6. Using a backup wrench on the brake caliper guide pin, install the brake caliper guide pin bolts (1) and tighten to 60 N.m (44 lb ft).
  7. Assemble the brake hose fitting bolt (1) and 2 new brake hose fitting gaskets (2) to the brake hose (3).
  8. Install the brake hose assembly to the caliper and tighten the fitting bolt to 49 N.m (36 lb ft).
  9. Bleed the hydraulic brake system. Refer to «Hydraulic Brake System Bleeding (Manual)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) or «Hydraulic Brake System Bleeding (Pressure)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) .
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then repeat steps 11 and 12 until a firm brake pedal apply is obtained. This will properly seat the brake caliper piston and brake pads.
  14. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
  15. Set the electronic park brake cable tension, if equipped. Refer to «Parking Brake Cable Adjuster Enabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-enabling-electric) .
WARNINGRefer to Brake Fluid Irritant Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Remove the brake pads. Refer to «Rear Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  5. Remove the brake hose fitting bolt (1). Cap the brake caliper inlet port to prevent brake fluid loss and contamination.
  6. Remove and discard the brake hose fitting gaskets (2) from the brake hose (3). Cap the brake hose fitting to prevent brake fluid loss and contamination.
  7. Remove the lower brake caliper bolt (1).
  8. Remove the upper brake caliper bolt (2) and the brake caliper.
  1. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry.
  2. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  3. Hand install the lower brake caliper bolt (1) and the upper brake caliper bolt (2).
  4. Tighten the brake caliper bolts to 130 N.m (96 lb ft).
  5. Assemble the brake hose fitting bolt (1) and the 2 new brake hose fitting gaskets (2) to the brake hose (3)
  6. Install the brake hose assembly to the brake caliper and tighten the brake hose fitting bolt to 49 N.m (36 lb ft).
  7. Install the brake pads. Refer to «Front Disc Brake Pads Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  8. Bleed the hydraulic brake system. Refer to «Hydraulic Brake System Bleeding (Manual)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) or «Hydraulic Brake System Bleeding (Pressure)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system) .

Front Brake Caliper Overhaul (JE5, J55)

WARNINGRefer to Brake Fluid Irritant Warning .
WARNINGRefer to Brake Dust Warning .

Disassembly Procedure

WARNINGDo not place fingers in front of the caliper piston(s) in an attempt to catch or protect it when applying compressed air. The piston(s) can fly out with force and could result in serious bodily injury.

Note. Replace all the components included in the repair kits used to service this brake caliper. Lubricate the rubber parts with new Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid to make assembly easier. If any hydraulic component is removed or disconnected, it may be necessary to bleed all or part of the brake system. The torque values specified are for dry, non-lubricated fasteners. Perform the service operations on a clean bench, free from all mineral oil materials.

  1. Remove the brake caliper from the vehicle. Refer to «Front Brake Caliper Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Brake Caliper Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  2. Drain the brake fluid from the brake caliper.
  3. Place a 25 mm (1 in) block of wood between the caliper and the piston.
  4. Install a large C-clamp over the body of the brake caliper with the C-clamp ends against the rear of the caliper body and against the block of wood.
  5. Carefully remove the brake caliper piston by directing low pressure compressed air into the brake caliper inlet hole.
  6. Remove the C-clamp from the caliper.
  7. Remove the block of wood from the caliper.
  8. Install clean cloths to pad the interior of the caliper housing between the remaining caliper piston and the caliper body.
  9. To cover the open caliper bore place a 25 mm (1 in) block of wood between the caliper body and the brake caliper dust boot seal.
  10. Install a large C-clamp over the body of the brake caliper with the C-clamp ends against the rear of the caliper body and against the block of wood.
  11. Carefully remove the brake caliper piston by directing low pressure compressed air into the brake caliper inlet hole.
  12. Remove the C-clamp form the caliper.
  13. Remove the block of wood from the caliper.
  14. Remove the piston dust boot seals (2) from the seal counter-bores in the brake caliper and discard the boot seals.
  15. Using a small wooden or plastic tool, remove the piston seals (1) from the brake caliper bores and discard the piston seals.
  16. Remove the brake caliper bleeder valve cap.
  17. Remove the brake caliper bleeder valve (1).
  18. Remove the brake caliper bleeder valve seal (2) and discard.
  19. Inspect the brake caliper mounting bracket guide surfaces for corrosion and wear. Remove and replace the brake caliper mounting bracket if damaged or worn.
  20. Clean the brake caliper piston bores and seal counter-bores with denatured alcohol, or equivalent.
  21. Clean the brake caliper pistons with denatured alcohol, or equivalent.
  22. Dry the caliper piston bores and counter-bores with non-lubricated, filtered air.
  23. Dry the brake caliper pistons with non-lubricated, filtered air.
  24. Inspect the caliper bores for cracks, scoring, pitting, excessive corrosion.
  25. If light corrosion is present in the caliper bores, attempt to remove the imperfection with a fine emery paper. If the imperfection cannot be removed, replace the caliper assembly.
  26. If cracks, scoring, pitting, and excessive corrosion are present in the caliper bores, replace the caliper assembly.
  27. Inspect the caliper pistons for cracks, scoring, and/or damage. Replace the caliper pistons if any of these conditions exist.

Assembly Procedure

  1. Install the valve stem seal (2) over the threaded end of the bleeder valve (1).
  2. Install the brake caliper bleeder valve (1). Tighten: Tighten the bleeder valve to 14 N.m (124 lb in).
  3. Install the brake caliper bleeder valve cap.
  4. Lubricate the new piston seals (1) with Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
  5. Install lubricated piston seals into the brake caliper bore seal grooves.
  6. Make sure the seals are not twisted.
  7. Install the piston dust boot (2) over the end of the piston (3) so that the fold will face toward the brake caliper housing piston bore opening.
  8. Seat the caliper dust boot into the brake caliper bore groove (1) and slide the piston into the brake caliper bore.
  9. Using your fingers, carefully push the piston to the bottom of the brake caliper bore.
  10. Ensure the caliper dust boot is properly seated into the piston groove and into the groove in the brake caliper bore.
  11. Repeat steps 5 - 10 for the remaining piston.
  12. Install the brake caliper to the vehicle. Refer to «Front Brake Caliper Replacement (JE5, J55 (RWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) or «Front Brake Caliper Replacement (JE5, J55 (AWD))»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .

Front Brake Caliper Overhaul (J56)

WARNINGRefer to Brake Fluid Irritant Warning .
CAUTIONDo not remove the caliper external crossover tube or separate the 2 caliper halves. If the crossover tube and/or the caliper halves are separated, corrosion and damage to the caliper may result.
CAUTIONThis brake caliper is coated with a specialized paint. Use care when handling and servicing to ensure the paint does not get chipped or scratched. Clean any brake fluid from painted surfaces with denatured alcohol, or equivalent, as soon as possible.

Note. Replace all the components included in the repair kits used to service this brake caliper. Lubricate the rubber parts with clean, fresh, GM approved brake fluid to make assembly easier. If any hydraulic component is removed or disconnected, it may be necessary to bleed all or part of the brake system. The torque values specified are for dry, non-lubricated fasteners. Perform the service operations on a clean bench, free from all mineral oil materials.

WARNINGDo not place fingers in front of the caliper piston(s) in an attempt to catch or protect it when applying compressed air. The piston(s) can fly out with force and could result in serious bodily injury.
CAUTIONUse clean cloths to pad interior of caliper housing during piston removal. Use just enough air to ease the pistons out of the bores. If the pistons are blown out, even with the padding provided, it may be damaged.

Note. It will be necessary to fabricate one or more blocks of wood to the following dimensions to be used during this procedure: Must fabricate 1 block: 19 mm (3/4 in) X 51 mm (2 in) X 51 mm (2 in) Optional to fabricate 1 block, rather than using an old brake pad: 19 mm (3/4 in) X 51 mm (2 in) X 127 mm (5 in) Optional to fabricate 1 block to cushion piston removal: 19 mm (3/4 in) X 51 mm (2 in) X 127 mm (5 in)

  1. Remove the brake caliper from the vehicle. Refer to «Front Brake Caliper Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  2. Drain the brake fluid from the brake caliper.
  3. Place the caliper in a vise using plastic vise caps or suitable material to protect the caliper mounting bosses from the vise jaws.
  4. Place a discarded brake pad or the fabricated 127 mm (5 in) long block of wood over 2 adjoining piston bores and secure in place with a non-marring C-clamp.
  5. Place the fabricated 51 mm (2 in) long block of wood over one of the opposing piston bores and secure it in place with a non-marring C-clamp or suitable brake pad spreader tools.
  6. Use clean cloths or the other fabricated 127 mm (5 in) long block of wood to pad the interior of caliper housing during removal of the piston.
  7. Carefully remove the brake caliper piston (1) by directing low pressure compressed air into the brake caliper inlet hole.
  8. Move the fabricated 51 mm (2 in) long block of wood over the emptied piston bore and secure it in place with a non-marring C-clamp or suitable brake pad spreader tools.
  9. Move the clean cloths or the other fabricated 127 mm (5 in) long block of wood to pad the interior of caliper housing during the removal of the piston.
  10. Carefully remove the brake caliper piston by directing low pressure compressed air into the brake caliper inlet hole.
  11. Repeat steps 4 through 10 for the opposite side of the caliper.
  12. Using care to not scratch or mar the painted surfaces or piston bore, remove all the dust boot seals (2) using a flat-bladed tool. Discard the dust boot seals.
  13. Using wooden or plastic tool, remove the piston seals (3) from the piston bores. Discard the piston seals.
  14. Remove both brake caliper bleeder caps and valves.
  15. Remove the caliper from the vise and clean the entire caliper with denatured alcohol, or equivalent.
  16. Dry the caliper piston bores with non-lubricated filtered air. Make sure the external crossover pipe and the internal fluid ports are clean and free of obstructions.
  17. Inspect the caliper cylinder bores and piston seal counter-bores for scratches, cracks, pitting, and/or corrosion.
  18. If the caliper piston bores are scratched, cracked, or pitted, or if corrosion cannot be cleaned with denatured alcohol, replace the caliper assembly.
  1. Assemble the brake caliper piston (1) to the dust boot seal (2). Ensure the dust boot seal is properly seated on the piston, in the dust boot seal groove.
  2. Lubricate the new piston seals (3) with GM approved brake fluid from a clean, sealed brake fluid container.
  3. Install the lubricated new piston seals into the brake caliper bore seal grooves. Ensure sure the seals are not twisted.
  4. Apply a thin coat of GM approved brake fluid from a clean, sealed brake fluid container, onto the caliper piston bores and the outer surface of the caliper pistons.
  5. Install the piston and dust boot assemblies into the correct caliper bores. Press the pistons and dust boot seals all the way in by hand.
  6. Place a clean, discarded brake pad or the fabricated 127 mm (5 in) long block of wood over adjoining piston bores and apply light pressure with non-marring C-clamp. This will ensure the dust boots and pistons are fully seated into the caliper.
  7. Repeat step 6 for the opposite pistons.
  8. Install the brake caliper bleeder valves and tighten to 14 N.m (124 lb in).
  9. Install the brake caliper bleeder valve caps.
  10. Install the caliper to the vehicle. Refer to «Front Brake Caliper Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .

Rear Brake Caliper Overhaul (JE5, J55)

WARNINGRefer to Brake Fluid Irritant Warning .
WARNINGDo not place fingers in front of the caliper piston(s) in an attempt to catch or protect it when applying compressed air. The piston(s) can fly out with force and could result in serious bodily injury.

Note. Replace all the components included in the repair kits used to service this brake caliper. Lubricate the rubber parts with GM approved brake fluid from a clean, sealed brake fluid container to make assembly easier. If any hydraulic component is removed or disconnected, it may be necessary to bleed all or part of the brake system. The torque values specified are for dry, non-lubricated fasteners. Perform the service operations on a clean bench, free from all mineral oil materials.

  1. Remove the brake caliper from the vehicle. Refer to «Rear Brake Caliper Replacement (JE5, J55)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  2. Remove the brake caliper piston (1) from the caliper bore by directing low pressure compressed air into the caliper bore through the brake hose inlet port.
  3. Using a small wooden or plastic tool, remove the brake caliper piston dust boot seal (1) from the brake caliper housing.
  4. Using a small wooden or plastic tool, remove the brake caliper piston seal (1) from the brake caliper housing.
  5. Remove the brake caliper bleeder valve cap (1) and bleeder valve (2).
  6. Clean the brake caliper piston bore with denatured alcohol, or equivalent.
  7. Inspect the caliper bore for cracks, scoring, pitting and excessive corrosion.
  8. If light corrosion is present in the caliper bore, remove the corrosion with emery cloth, or equivalent.
  9. If excessive corrosion exists that cannot be removed, replace the brake caliper.
  1. Install the brake caliper bleeder valve cap (1) and bleeder valve (2) and tighten to 14 N.m (124 lb in).
  2. Lubricate the brake caliper piston seal with GM approved brake fluid from a clean, sealed brake fluid container.
  3. Install the brake caliper piston seal (1) into the brake caliper housing groove. Ensure the brake caliper piston seal is properly seated in the caliper housing groove and is not distorted.
  4. Install the brake caliper piston dust boot seal (1) into the brake caliper housing.
  5. Lightly lubricate the brake caliper piston dust boot seal lip with GM approved brake fluid from a clean, sealed brake fluid container.
  6. Lightly lubricate the brake caliper piston with GM approved brake fluid from a clean, sealed brake fluid container.
  7. Place the brake caliper piston (1) in the brake caliper housing bore and press the brake caliper piston squarely into the brake caliper.
  8. Install the brake caliper. Refer to «Rear Brake Caliper Replacement (JE5, J55)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .

Rear Brake Caliper Overhaul (J56)

WARNINGRefer to Brake Fluid Irritant Warning .
CAUTIONDo not remove the caliper external crossover tube or separate the 2 caliper halves. If the crossover tube and/or the caliper halves are separated, corrosion and damage to the caliper may result.
CAUTIONThis brake caliper is coated with a specialized paint. Use care when handling and servicing to ensure the paint does not get chipped or scratched. Clean any brake fluid from painted surfaces with denatured alcohol, or equivalent, as soon as possible.

Note. Replace all the components included in the repair kits used to service this brake caliper. Lubricate the rubber parts with new Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid to make assembly easier. If any hydraulic component is removed or disconnected, it may be necessary to bleed all or part of the brake system. The torque values specified are for dry, non-lubricated fasteners. Perform the service operations on a clean bench, free from all mineral oil materials.

WARNINGDo not place fingers in front of the caliper piston(s) in an attempt to catch or protect it when applying compressed air. The piston(s) can fly out with force and could result in serious bodily injury.
CAUTIONUse clean cloths to pad interior of caliper housing during piston removal. Use just enough air to ease the pistons out of the bores. If the pistons are blown out, even with the padding provided, it may be damaged.

Note. It will be necessary to fabricate one or more blocks of wood to the following dimensions to be used during this procedure: Must fabricate 1 block: 19 mm (3/4 in) X 51 mm (2 in) X 51 mm (2 in) Optional to fabricate 1 block, rather than using an old brake pad: 19 mm (3/4 in) X 51 mm (2 in) X 127 mm (5 in) Optional to fabricate 1 block to cushion piston removal: 19 mm (3/4 in) X 51 mm (2 in) X 127 mm (5 in)

  1. Remove the brake caliper from the vehicle. Refer to «Rear Brake Caliper Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  2. Drain the brake fluid from the brake caliper.
  3. Place the caliper in a vise using plastic vise caps or suitable material to protect the caliper mounting bosses from the vise jaws.
  4. Place an old brake pad or the fabricated 127 mm (5 in) long block of wood over 2 adjoining piston bores and secure in place with a non-marring C-clamp.
  5. Place the fabricated 51 mm (2 in) long block of wood over one of the opposing piston bores and secure it in place with a non-marring C-clamp.
  6. Use clean cloths or the other fabricated 127 mm (5 in) long block of wood to pad the interior of caliper housing during removal of the piston.
  7. Carefully remove the brake caliper piston by directing low pressure compressed air into the brake caliper inlet hole. If the dust boot seal slides out with the piston, remove the dust boot seal from piston and reinstall the seal into the caliper.
  8. Move the fabricated 51 mm (2 in) long block of wood over the emptied piston bore and secure it in place with a non-marring C-clamp.
  9. Move the clean cloths or the other fabricated 127 mm (5 in) long block of wood to pad the interior of caliper housing during the removal of the piston.
  10. Carefully remove the brake caliper piston by directing low pressure compressed air into the brake caliper inlet hole. If the dust boot seal slides out with the piston, remove the dust boot seal from piston and reinstall the seal into the caliper.
  11. Repeat steps 4 through 10 for the opposite side of the caliper.
  12. Using care to not scratch or mar the painted surfaces or piston bore, remove all the dust boot seals using a flat-bladed tool. Discard the dust boot seals.
  13. Using wooden or plastic tool, remove the piston seals (5) from the piston bores. Discard the piston seals.
  14. Remove both brake caliper bleeder caps and valves (1, 2).
  15. Remove the caliper from the vise and clean the entire caliper with denatured alcohol, or equivalent.
  16. Dry the caliper piston bores with non-lubricated filtered air. Make sure the external crossover pipe and the internal fluid ports are clean and free of obstructions.
  17. Inspect the caliper cylinder bores and piston seal counter-bores for scratches, cracks, pitting, and/or corrosion.
  18. If the caliper piston bores are scratched, cracked, or pitted, or if corrosion cannot be cleaned with denatured alcohol, replace the caliper assembly.
  1. Install the new piston dust boot seals (3) over the pistons (4). Make sure the dust boot seal is properly seated on the piston, in the dust boot seal groove.
  2. Lubricate the new piston seals (5) with Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
  3. Install the lubricated, new piston seals (5) into the brake caliper bore seal grooves. Make sure the seals are not twisted.
  4. Apply a thin coat of Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container, onto the caliper piston bores and the outer surface of the caliper pistons.
  5. Install the piston and dust boot assemblies into the correct caliper bores. Press the pistons and dust boot seals all the way in by hand.
  6. Place a clean old brake pad or the fabricated 127 mm (5 in) long block of wood over 2 adjoining piston bores and apply light pressure with non-marring C-clamp. This will ensure the dust boots and pistons are fully seated into the caliper.
  7. Repeat step 6 for the opposite pistons.
  8. Install the brake caliper bleeder valves (2) and tighten to 13 N.m (115 lb in).
  9. Install the brake caliper bleeder valve caps (1).
  10. Install the caliper to the vehicle. Refer to «Rear Brake Caliper Replacement (J56)»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Using a backup wrench on the brake caliper guide pin, remove the brake caliper guide pin bolts (1).
  4. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  5. Remove the outer brake pad (1).
  6. Remove the inner brake pad (2).
  7. Remove the brake pad springs.
  8. Remove the upper brake caliper guide pin (1).
  9. Remove the upper guide pin seal (2).
  10. Remove the lower brake caliper guide pin (1).
  11. Remove the lower guide pin seal (2).
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  2. Apply a thin coat of high temperature silicone brake lubricant the brake caliper guide pin.
  3. Install the lower brake caliper guide pin (1) to the guide pin seal (2). Ensure the guide pin seal is fully seated in the groove of the brake caliper guide pin.
  4. Install the lower guide pin and seal to the brake caliper bracket. Ensure the guide pin seal is fully seated in the groove of the brake caliper bracket.
  5. Apply a thin coat of high temperature silicone brake lubricant the brake caliper guide pin.
  6. Install the upper brake caliper guide pin (1) to the guide pin seal (2). Ensure the guide pin seal is fully seated in the groove of the brake caliper guide pin.
  7. Install the upper guide pin and seal to the brake caliper bracket. Ensure the guide pin seal is fully seated in the groove of the brake caliper bracket.
  8. Install the brake pad springs.
  9. Install the outer brake pad (1).
  10. Install the inner brake pad (2).
  11. If reusing the caliper pin bolts, prepare the bolts and the guide pins for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  12. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts.
  13. Allow the threadlocker to cure approximately 10 minutes before installation.
  14. Install the brake caliper to the caliper bracket.
  15. Using a backup wrench on the brake caliper guide pins, install the brake caliper guide pin bolts (1) and tighten to 63 N.m (46 lb ft).
  16. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Using a backup wrench on the brake caliper guide pin, remove the brake caliper guide pin bolts (1).
  4. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  5. Remove the inner brake pad (1).
  6. Remove the outer brake pad (2).
  7. Remove the brake pad springs.
  8. Remove the upper brake caliper guide pin (1).
  9. Remove the upper brake caliper guide pin seal (2).
  10. Remove the lower brake caliper guide pin (1).
  11. Remove the lower brake caliper guide pin seal (2).
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  2. Apply a thin coat of high temperature silicone brake lubricant to the brake caliper guide pin.
  3. Install the lower brake caliper guide pin (1) to the guide pin seal (2). Ensure the guide pin seal is fully seated in the groove of the brake caliper guide pin.
  4. Install the lower guide pin and seal to the brake caliper bracket. Ensure the guide pin seal is fully seated in the groove of the brake caliper bracket.
  5. Apply a thin coat of high temperature silicone brake lubricant to the brake caliper guide pin.
  6. Install the upper brake caliper guide pin (1) to the guide pin seal (2). Ensure the guide pin seal is fully seated in the groove of the brake caliper guide pin.
  7. Install the upper guide pin and seal to the brake caliper bracket. Ensure the guide pin seal is fully seated in the groove of the brake caliper bracket.
  8. Install the brake pad springs.
  9. Install the inner brake pad (1).
  10. Install the outer brake pad (2).
  11. If reusing the caliper pin bolts, prepare the bolts and the guide pins for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  12. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts.
  13. Allow the threadlocker to cure approximately 10 minutes before installation.
  14. Install the brake caliper to the caliper bracket.
  15. Using a backup wrench on the brake caliper guide pins, install the brake caliper guide pin bolts (1) and tighten to 63 N.m (46 lb ft).
  16. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Remove the lower brake pad guide pin (1).
  7. Remove the brake pad spring (1).
  8. Remove the upper brake pad guide pin (1).
  9. Remove the brake caliper bridge pin bolt (1).
  10. Remove the brake caliper bridge pin (1).
  1. Inspect the brake pad guide pins. If damaged, or corroded replace the guide pin. Do not attempt to clean away any corrosion.
  2. Inspect the brake caliper bridge pin and bolt assembly. If damaged, or corroded replace the brake caliper bridge pin and bolt assembly. Do not attempt to clean away any corrosion.
  3. Inspect the brake caliper piston boot for damage and/or deterioration, replace if damaged or deteriorated. Refer to «Brake Caliper Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-caliper-inspection) .
  4. Install the brake caliper bridge pin (1).
  5. Install the brake caliper bridge pin bolt (1) and tighten to 33 N.m (24 lb ft).
  6. Install the upper brake pad guide pin (1). Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  7. Install the brake pad spring (1).
  8. Install the lower brake pad guide pin (1) through the brake caliper and over the edge of the brake pad spring. Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  9. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  10. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  11. Slowly release the brake pedal.
  12. Wait 15 seconds, then repeat steps 10 and 11 until a firm brake pedal apply is obtained; this will properly seat the brake caliper pistons and brake pads.
  13. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Using a backup wrench on the brake caliper guide pins, remove the brake caliper guide pin bolts (1).
  4. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  5. Remove the inner brake pad (1).
  6. Remove the outer brake pad (2).
  7. Remove the brake pad springs (1).
  8. Remove the brake caliper guide pins (1) and seals (2).
  1. Inspect the brake caliper guide pins, seals and brake pad springs for damage and/or corrosion. Refer to «Rear Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__rear-disc-brake-mounting-and-hardware) .
  2. Apply a thin coat of high temperature silicone brake lubricant the brake caliper guide pins.
  3. Install the brake caliper guide pins (1) to the guide pin seals (2). Ensure the guide pin seals are fully seated in the groove of the brake caliper guide pins.
  4. Install the brake caliper guide pins and seals to the brake caliper bracket. Ensure the guide pin seals are fully seated in the groove of the brake caliper bracket.
  5. Install the brake pad springs (1).
  6. Install the inner brake pad (1).
  7. Install the outer brake pad (2).
  8. Install the brake caliper to the brake caliper bracket.
  9. Using a backup wrench on the brake caliper guide pins, install the brake caliper guide pin bolts (1).
  10. If reusing the caliper pin bolts, prepare the bolts and the guide pins for assembly: Thoroughly clean the residue from the guide pin bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the guide pin threads by using denatured alcohol or equivalent and allow to dry.
  11. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the brake caliper guide pin bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts.
  12. Allow the threadlocker to cure approximately 10 minutes before installation.
  13. Using a backup wrench on the brake caliper guide pins, install the brake caliper guide pin bolts (1) and tighten to 60 N.m (44 lb ft).
  14. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. Remove the lower brake pad guide pin (1).
  7. Remove the brake pad spring (1).
  8. Remove the upper brake pad guide pin (1).
  1. Inspect the brake pad guide pins. If damaged, or corroded replace the guide pin. Do not attempt to clean away any corrosion.
  2. Inspect the brake caliper piston boot for damage and/or deterioration, replace if damaged or deteriorated. Refer to «Brake Caliper Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-caliper-inspection) .
  3. Install the upper brake pad guide pin (1). Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  4. Install the brake pad spring (1).
  5. Install the lower brake pad guide pin (1) through the brake caliper and over the edge of the brake pad spring. Ensure the brake pad guide pin is fully seated in the brake caliper housing.
  6. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  7. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  8. Slowly release the brake pedal.
  9. Wait 15 seconds, then repeat steps 7 and 8 until a firm brake pedal apply is obtained; this will properly seat the brake caliper pistons and brake pads.
  10. Fill the brake master cylinder reservoir to the proper level. Refer to «Master Cylinder Reservoir Filling»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#hydraulic-brake-system__master-cylinder-reservoir-filling) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Using a backup wrench on the brake caliper guide pins, remove the guide pin bolts (1).
  4. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  5. Remove the outer brake pad (1).
  6. Remove the inner brake pad (2).
  7. Remove the brake pad springs.
  8. Remove the brake caliper bracket bolts (1).
  9. Remove the brake caliper bracket (1).
  10. Inspect the disc brake hardware. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  1. Install the brake caliper bracket (1).
  2. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  3. Install the brake caliper bracket bolts (1) and tighten to 230 N.m (170 lb ft).
  4. Install the brake pad springs.
  5. Install the outer brake pad (1).
  6. Install the inner brake pad (2).
  7. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  8. Install the brake caliper to the caliper bracket.
  9. Using a backup wrench on the brake caliper guide pins, install the guide pin bolts (1) and tighten to 63 N.m (46 lb ft).
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Using a backup wrench on the brake caliper guide pins, remove the guide pin bolts (1).
  4. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  5. Remove the inner brake pad (1).
  6. Remove the outer brake pad (2).
  7. Remove the brake pad springs.
  8. Remove the brake caliper bracket bolts (1).
  9. Remove the brake caliper bracket (1).
  10. Inspect the disc brake hardware. Refer to «Front Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__front-disc-brake-mounting-and-hardware) .
  1. Install the brake caliper bracket (1).
  2. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  3. Install the brake caliper bracket bolts (1) and tighten to 230 N.m (170 lb ft).
  4. Install the brake pad springs.
  5. Install the inner brake pad (1).
  6. Install the outer brake pad (2).
  7. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  8. Install the brake caliper to the caliper bracket.
  9. Using a backup wrench on the brake caliper guide pins, install the guide pin bolts (1) and tighten to 63 N.m (46 lb ft).
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Using a backup wrench on the brake caliper guide pins, remove the guide pin bolts (1).
  4. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  5. Remove the inner brake pad (1).
  6. Remove the outer brake pad (2).
  7. Remove the brake pad springs (1).
  8. Remove the upper brake caliper bracket bolt (1).
  9. Remove the lower brake caliper bracket bolt (2).
  10. Remove the brake caliper bracket (1).
  11. Inspect the disc brake hardware. Refer to «Rear Disc Brake Mounting and Hardware Inspection»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__rear-disc-brake-mounting-and-hardware) .
  1. Install the brake caliper bracket (1).
  2. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  3. Loosely install the upper brake caliper bracket bolt (1).
  4. Loosely install the lower brake caliper bracket bolt (2).
  5. Tighten the upper and lower brake caliper bracket bolts to 135 N.m (100 lb ft).
  6. Install the brake pad springs (1).
  7. Install the inner brake pad (1).
  8. Install the outer brake pad (2).
  9. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  10. Install the brake caliper to the caliper bracket.
  11. Using a backup wrench on the brake caliper guide pins, install the guide pin bolts (1) and tighten to 60 N.m (44 lb ft).
  12. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .

Front Brake Rotor Replacement (JE5, J55 (RWD))

Special Tools

  1. J-41013: Rotor Resurfacing Kit
  2. J-42450-A: Wheel Hub Resurfacing Kit
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Remove the brake caliper bracket bolts (1).
  4. Remove the brake caliper and bracket assembly and support with heavy mechanics wire or equivalent.
  5. Matchmark the position of the brake rotor to the wheel studs.
  6. Remove the brake rotor screw (1).
  7. Remove the brake rotor.
  1. Using the J-42450-A: Wheel Hub Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. Using the J-41013: Rotor Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  3. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  4. Install the brake rotor to the hub/axle flange. Use the matchmark made prior to removal for proper orientation to the flange.
  5. Install the brake rotor screw (1) and tighten to 14 N.m (124 lb in).
  6. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  7. Install the brake caliper and bracket assembly to the knuckle.
  8. Install the brake caliper bracket bolts (1) and tighten to 230 N.m (170 lb ft).
  9. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  10. If the brake rotor was refinished or replaced, or if new brake pads were installed, burnish the pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .

Front Brake Rotor Replacement (JE5, J55 (AWD))

Special Tools

  1. J-41013: Rotor Resurfacing Kit
  2. J-42450-A: Wheel Hub Resurfacing Kit
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Remove the brake caliper bracket bolts (1).
  4. Remove the brake caliper and bracket assembly and support with heavy mechanics wire or equivalent.
  5. Matchmark the position of the brake rotor to the wheel studs.
  6. Remove the brake rotor screw (1).
  7. Remove the brake rotor.
  1. Using the J-42450-A: Wheel Hub Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. Using the J-41013: Rotor Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  3. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  4. Install the brake rotor to the hub/axle flange. Use the matchmark made prior to removal for proper orientation to the flange.
  5. Install the brake rotor screw (1) and tighten to 14 N.m (124 lb in).
  6. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  7. Install the brake caliper and bracket assembly to the knuckle.
  8. Install the brake caliper bracket bolts (1) and tighten to 230 N.m (170 lb ft).
  9. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  10. If the brake rotor was refinished or replaced, or if new brake pads were installed, burnish the pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .

Front Brake Rotor Replacement (J56)

Special Tools

  1. J-41013: Rotor Resurfacing Kit
  2. J-42450-A: Wheel Hub Resurfacing Kit
WARNINGRefer to Brake Dust Warning .
  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum full point and the minimum allowable level, no brake fluid needs to be removed from the reservoir before proceeding.
  3. If the brake fluid level is higher than midway between the maximum full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. If reinstalling the brake rotor, match mark the brake rotor relationship to the wheel hub.
  7. Remove the brake caliper bolts (1).
  8. Remove the brake caliper (1) and support with heavy mechanics wire or equivalent.
  9. Remove the brake rotor screw (1).
  10. Remove the brake rotor (1).
  1. Using the J-42450-A: Wheel Hub Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. Using the J-41013: Rotor Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  3. Install the brake rotor (1). Align the match mark made prior to the brake rotor removal, if necessary.
  4. Install the brake rotor screw (1) and tighten to 14 N.m (124 lb in).
  5. Install the brake caliper (1).
  6. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry.
  7. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the caliper to knuckle mounting bolts. Ensure that there are no gaps in the threadlocker along the length of the filled area of the bolts.
  8. Allow the threadlocker to cure approximately 10 minutes before installation.
  9. Install the brake caliper bolts (1) and tighten to 175 N.m (129 lb ft).
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  11. If the brake rotor was refinished or replaced, or if new brake pads were installed, burnish the brake pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .

Rear Brake Rotor Replacement (JE5, J55)

Special Tools

  1. J-41013: Rotor Resurfacing Kit
  2. J-42450-A: Wheel Hub Resurfacing Kit
WARNINGRefer to Brake Dust Warning .
  1. Block the rear drive wheels.
  2. Release the electronic park brake cable tension, if equipped. Refer to «Parking Brake Cable Adjuster Disabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-disabling-electric) .
  3. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  4. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  5. Remove the upper brake caliper bracket bolt (1).
  6. Remove the lower brake caliper bracket bolt (2).
  7. Remove the brake caliper and bracket assembly (1) and support with heavy mechanics wire or equivalent.
  8. Matchmark the position of the brake rotor to the wheel studs.
  9. Remove the brake rotor screw (1).
  10. Remove the brake rotor.
  1. Using the J-42450-A: Wheel Hub Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. Using the J-41013: Rotor Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  3. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  4. Install the brake rotor to the hub/axle flange. Use the matchmark made prior to removal for proper orientation to the flange.
  5. Install the brake rotor screw (1) and tighten to 12 N.m (106 lb in).
  6. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canada P/N 10953488), or equivalent to 2/3 of the threaded length of the lower caliper bracket bolts. Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts. Allow the threadlocker to cure approximately 10 minutes before installation.
  7. Install the brake caliper and bracket assembly (1).
  8. Install the upper brake caliper bracket bolt (1) and tighten to 135 N.m (100 lb ft).
  9. Install the lower brake caliper bracket bolt (2) and tighten to 135 N.m (100 lb ft).
  10. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  11. Set the electronic park brake cable tension. Refer to «Parking Brake Cable Adjuster Enabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-enabling-electric) .
  12. If the brake rotor was refinished or replaced, or if new brake pads were installed, burnish the pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .

Rear Brake Rotor Replacement (J56)

Special Tools

  1. J-2619-A: Slide Hammer w/Adapter
  2. J-41013: Rotor Resurfacing Kit
  3. J-42450-A: Wheel Hub Resurfacing Kit
  4. J-46277: Rotor Removal Tool
WARNINGRefer to Brake Dust Warning .
  1. Block the rear drive wheels.
  2. Release the electronic park brake cable tension, if equipped. Refer to «Parking Brake Cable Adjuster Disabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-disabling-electric) .
  3. Turn the ignition to the OFF position.
  4. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  5. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  6. If reinstalling the brake rotor, match mark the brake rotor relationship to the wheel hub.
  7. Remove the lower brake caliper bolt (1).
  8. Remove the upper brake caliper bolt (2).
  9. Remove the brake caliper and support with heavy mechanics wire or equivalent.
  10. Remove the brake rotor screw (1).
  11. Remove the brake rotor (2).
  12. If the brake rotor cannot be removed, perform the following: Assemble the J-2619-A: Slide Hammer w/Adapter to the J-46277: Rotor Removal Tool. Insert the J-46277: Rotor Removal Tool between the rotor friction surfaces in the vent section of the brake rotor. Do not place the J-46277: Rotor Removal Tool on the friction surface of the brake rotor. Using the J-2619-A: Slide Hammer w/Adapter and the J-46277: Rotor Removal Tool, remove the brake rotor from the wheel hub assembly.
  13. Inspect the park brake components for the following conditions: Bent or broken hold down springs Broken, cracked, or worn park brake shoe lining Bent or damaged park brake shoe Worn, bent, or damaged parking brake backing plate
  14. If any of the above listed conditions are found, repair or replace the damaged park brake components.
  1. Using the J-42450-A: Wheel Hub Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. Using the J-41013: Rotor Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  3. Install the brake rotor screw (1) and the brake rotor (2). Align the match mark made prior to the brake rotor removal, if necessary.
  4. Tighten the brake rotor screw to 12 N.m (106 lb in).
  5. Prepare the bolts and the threaded holes for assembly: Thoroughly clean the residue from the bolt threads by using denatured alcohol or equivalent and allow to dry. Thoroughly clean the residue from the threaded holes by using denatured alcohol or equivalent and allow to dry.
  6. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488), or equivalent to 2/3 of the threaded length of the caliper to knuckle mounting bolts. Ensure that there are no gaps in the threadlocker along the length of the filled area of the bolts.
  7. Allow the threadlocker to cure approximately 10 minutes before installation.
  8. Position the brake caliper to the suspension knuckle.
  9. Hand install the lower brake caliper bolt (1) and the upper brake caliper bolt (2).
  10. Tighten the brake caliper bolts to 130 N.m (96 lb ft).
  11. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  12. Set the electronic park brake cable tension. Refer to «Parking Brake Cable Adjuster Enabling (Electric Park Brake)»(/cadillac/cts/ii-2007-2014/remont/parking-brake-system/#parking-brake-system__parking-brake-cable-adjuster-enabling-electric) .
  13. If the brake rotor was refinished or replaced, or if new brake pads were installed, burnish the brake pads and rotors. Refer to «Brake Pad and Rotor Burnishing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-pad-and-rotor-burnishing) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Remove the wheel speed sensor. Refer to «Front Wheel Speed Sensor Replacement (RWD)»(/cadillac/cts/ii-2007-2014/remont/anti-locktraction-control/#antilock-brake-system-with-traction-control-system-stability-control-system) .
  4. Remove the front wheel bearing and hub assembly. Refer to «Front Wheel Bearing and Hub Replacement (RWD)»(/cadillac/cts/ii-2007-2014/remont/suspension-front/#front-suspension-system) .
  5. Remove the front brake shield (1).
  1. Install the front brake shield (1).
  2. Install the front wheel bearing and hub assembly. Refer to «Front Wheel Bearing and Hub Replacement (RWD)»(/cadillac/cts/ii-2007-2014/remont/suspension-front/#front-suspension-system) .
  3. Install the wheel speed sensor. Refer to «Front Wheel Speed Sensor Replacement (RWD)»(/cadillac/cts/ii-2007-2014/remont/anti-locktraction-control/#antilock-brake-system-with-traction-control-system-stability-control-system) .
  4. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
WARNINGRefer to Brake Dust Warning .
  1. Raise and support the vehicle. Refer to «Lifting and Jacking the Vehicle»(/cadillac/cts/ii-2007-2014/remont/ignition-switchsteering-lock/#general-information) .
  2. Remove the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  3. Remove the wheel speed sensor. Refer to «Front Wheel Speed Sensor Replacement (AWD)»(/cadillac/cts/ii-2007-2014/remont/anti-locktraction-control/#antilock-brake-system-with-traction-control-system-stability-control-system) .
  4. Remove the front wheel bearing and hub assembly. Refer to «Front Wheel Bearing and Hub Replacement (AWD)»(/cadillac/cts/ii-2007-2014/remont/suspension-front/#front-suspension-system) .
  5. Remove the front brake shield (1).
  1. Install the front brake shield (1).
  2. Install the front wheel bearing and hub assembly. Refer to «Front Wheel Bearing and Hub Replacement (AWD)»(/cadillac/cts/ii-2007-2014/remont/suspension-front/#front-suspension-system) .
  3. Install the wheel speed sensor. Refer to «Front Wheel Speed Sensor Replacement (AWD)»(/cadillac/cts/ii-2007-2014/remont/anti-locktraction-control/#antilock-brake-system-with-traction-control-system-stability-control-system) .
  4. Install the tire and wheel assembly. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .

Brake Rotor Assembled Lateral Runout Correction

Note. Brake rotor thickness variation MUST be checked BEFORE checking for assembled lateral runout (LRO). Thickness variation exceeding the maximum acceptable level can cause brake pulsation. Refer to Brake Rotor Thickness Variation Measurement . Brake rotor assembled lateral runout (LRO) exceeding the maximum allowable specification can cause thickness variation to develop in the brake rotor over time, usually between 4 800-11 300 km (3,000-7,000 mi). Refer to Brake Rotor Assembled Lateral Runout Measurement .

Review the following acceptable methods for bringing the brake rotor assembled LRO to within specifications. Determine which method to use for the specific vehicle being repaired.

  1. The indexing method of correcting assembled LRO is most effective when the LRO specification is only exceeded by a relatively small amount: 0.025-0.127 mm (0.001-0.005 in). Indexing is used to achieve the best possible match of high spots to low spots between related components. Refer to «Brake Rotor Assembled Lateral Runout Correction - Indexing»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-correction) .
  2. The correction plate method of correcting assembled LRO involves the addition of a tapered plate between the brake rotor and the hub/axle flange. The correction plate method can be used to correct LRO that exceeds the specification by up to 0.23 mm (0.009 in). Refer to «Brake Rotor Assembled Lateral Runout Correction - Correction Plates»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-correction) .
  3. The on-vehicle brake lathe method is used to bring the LRO to within specifications through compensating for LRO while refinishing the brake rotor. Refer to «Brake Rotor Assembled Lateral Runout Correction - On Vehicle Lathe»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .

If the assembled LRO cannot be corrected using these methods, then other components must be suspected as causing and/or contributing to the LRO concern.

Brake Rotor Assembled Lateral Runout Correction - Indexing

Special Tools

  1. J-39544-KIT: Torque-Limiting Socket Set, or equivalent
  2. J-45101-100: Conical Brake Rotor Washers For equivalent regional tools, refer to «Special Tools»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system) .
  1. Remove the J-45101-100: washers and the lug nuts that were installed during the assembled LRO measurement procedure.
  2. Inspect the mating surface of the hub/axle flange and the brake rotor to ensure that there are no foreign particles or debris remaining.
  3. Index the brake rotor in a different orientation to the hub/axle flange.
  4. Hold the rotor firmly in place against the hub/axle flange and install one of the J-45101-100: washers (1) and one lug nut (2) onto the upper-most wheel stud.
  5. Continue to hold the rotor secure and tighten the lug nut firmly by hand.
  6. Install the remaining J-45101-100: washers and lug nuts onto the wheel studs and tighten the nuts firmly by hand in a star-pattern.
  7. Using the J-39544-KIT: set, or equivalent, tighten the lug nuts in a star-pattern to specification, in order to properly secure the rotor. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  8. Measure the assembled LRO of the brake rotor. Refer to «Brake Rotor Assembled Lateral Runout Measurement»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-measurement) .
  9. Compare the amount of change between this measurement and the original measurement.
  10. If this measurement is within specifications, proceed to step 14.
  11. If this measurement still exceeds specifications, repeat steps 1-9 until the best assembled LRO measurement is obtained.
  12. Matchmark the final location of the rotor to the wheel studs if the orientation is different than it was originally.
  13. If the brake rotor assembled LRO measurement still exceeds the maximum allowable specification, refer to «Brake Rotor Assembled Lateral Runout Correction»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-correction) .
  14. If the brake rotor assembled LRO is within specification, install the brake caliper and depress the brake pedal several times to secure the rotor in place before removing the J-45101-100: washers and the lug nuts.

Brake Rotor Assembled Lateral Runout Correction - Correction Plates

Special Tools

  1. J-39544-KIT: Torque-Limiting Socket Set, or equivalent
  2. J-45101-100: Conical Brake Rotor Washers

For equivalent regional tools, refer to Special Tools .

  1. Rotate the brake rotor to position the high spot, identified and marked during the brake rotor assembled LRO measurement procedure, to face upward.
  2. Remove the J-45101-100: washers and the lug nuts that were installed during the assembled LRO measurement procedure and/or the indexing correction procedure.
  3. Inspect the mounting surface of the hub/axle flange and the brake rotor to ensure that there are no foreign particles or debris remaining.
  4. Select the correction plate, following the manufacturer's instructions, which has a specification closest to the assembled LRO measurement. For example: If the assembled LRO measurement was 0.076 mm (0.003 in), the 0.076 mm (0.003 in) correction plate would be used. If the measurement was 0.127 mm (0.005 in), the 0.152 mm (0.006 in) correction plate would be used.
  5. Determine the positioning for the correction plate (1) using the high spot mark (3) made during the brake rotor assembled LRO measurement procedure.
  6. Install the correction plate (1) onto the hub/axle flange, with the V-shaped notch (2) orientated to align with the high spot mark (3), that was positioned to face upward.
  7. Install the brake rotor to the hub/axle flange. Use the matchmark made prior to removal for proper orientation to the flange.
  8. Hold the rotor firmly in place against the hub/axle flange and install one of the J-45101-100: washers (1) and one lug nut (2) onto the upper-most wheel stud.
  9. Continue to hold the rotor secure and tighten the lug nut firmly by hand.
  10. Install the remaining J-45101-100: washers and lug nuts onto the wheel studs and tighten the nuts firmly by hand in a star-pattern.
  11. Using the J-39544-KIT: set, or equivalent, tighten the lug nuts in a star-pattern to specification, in order to properly secure the rotor. Refer to «Tire and Wheel Removal and Installation»(/cadillac/cts/ii-2007-2014/remont/wheel-tire-system/#tires-and-wheels__tire-and-wheel-removal-and-installation) .
  12. Measure the assembled LRO of the brake rotor. Refer to «Brake Rotor Assembled Lateral Runout Measurement»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-measurement) .
  13. If the brake rotor assembled LRO measurement still exceeds the maximum allowable specification, refer to «Brake Rotor Assembled Lateral Runout Correction»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-correction) .
  14. If the brake rotor assembled LRO measurement is within specification, install the brake caliper and depress the brake pedal several times to secure the rotor in place before removing the J-45101-100: washers and the lug nuts.

Special Tools

J-45101-100: Conical Brake Rotor Washers

For equivalent regional tools, refer to Special Tools .

  1. Ensure that the caliper and caliper bracket that are already being supported, are clear from contacting any rotating components, such as the brake rotor.
  2. Remove the J-45101-100: washers and the lug nuts that were installed during the assembled LRO measurement procedure and/or the indexing correction procedure.
  3. Inspect the mounting surface of the hub/axle flange and the brake rotor to ensure that there are no foreign particles or debris remaining.
  4. Set up the lathe, following the manufacturer's instructions.
  5. Refinish the brake rotor, following the brake lathe manufacturer's instructions.
  6. After each successive cut, inspect the brake rotor thickness. Refer to «Brake Rotor Thickness Measurement»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-thickness-measurement) .
  7. If at any time the brake rotor exceeds the minimum allowable thickness after refinish specification, the brake rotor must be replaced. After replacing the rotor, proceed to step 10.
  8. After refinishing the brake rotor, use the following procedure in order to obtain the desired non-directional finish: Follow the brake lathe manufacturer's recommended speed setting for applying a non-directional finish. Using moderate pressure, apply the non-directional finish: If the lathe is equipped with a non-directional finishing tool, apply the finish with 120-grit aluminum oxide sandpaper. If the lathe is not equipped with a non-directional finishing tool, apply the finish with a sanding block and 150-grit aluminum oxide sandpaper. After applying a non-directional finish, clean each friction surface of the brake rotor with denatured alcohol, or an equivalent approved brake cleaner.
  9. Remove the lathe from the vehicle.
  10. Measure the assembled LRO of the brake rotor. Refer to «Brake Rotor Assembled Lateral Runout Measurement»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-measurement) .
  11. If the brake rotor assembled LRO measurement still exceeds the maximum allowable specification, refer to «Brake Rotor Assembled Lateral Runout Correction»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-correction) .
  12. If the brake rotor assembled LRO is within specification, install the brake caliper and depress the brake pedal several times to secure the rotor in place before removing the J-45101-100: washers and the lug nuts.

Brake Rotor Refinishing

Special Tools

  1. J-41013: Rotor Resurfacing Kit
  2. J-42450-A: Wheel Hub Resurfacing Kit

For equivalent regional tools, refer to Special Tools .

WARNINGRefer to Brake Dust Warning .

Note. The disc brake rotors do not require refinishing as part of routine brake system service. New disc brake rotors do not require refinishing. Do not refinish disc brake rotors in an attempt to correct the following conditions: Brake system noise - squeal, growl, groan Uneven and/or premature disc brake pad wear Superficial or cosmetic corrosion/rust of the disc brake rotor friction surface Scoring of the disc brake rotor friction surface less than the maximum allowable specification Before refinishing a brake rotor, the rotor MUST first be checked for adequate thickness to allow the rotor to be refinished and remain above the minimum allowable thickness after refinish specification. Refer to Brake Rotor Thickness Measurement . Disc brake rotors should only be refinished if they have adequate thickness to be refinished and if one or more of the following conditions exist: Thickness variation in excess of the maximum allowable specification Excessive corrosion/rust and/or pitting Cracks and/or heat spots Excessive blueing discoloration Scoring of the disc brake rotor surface in excess of the maximum allowable specification Disc brake rotors may need to be refinished as part of the process for correcting brake rotor assembled lateral runout (LRO) that exceeds the maximum allowable specification.

Note. If the vehicle is equipped with cross-drilled rotors, use a lathe with positive rake tooling. This setup requires less cutting pressure, which will result in less vibration, and a better surface finish. Also, use a vibration dampener when cutting. Otherwise, refinish according to the following instructions.

  1. Using the J-42450-A: kit, thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. Using the J-41013: kit, thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  3. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  4. Mount the brake rotor to the brake lathe according to the lathe manufacturer's instructions, ensuring that all mounting attachments and adapters are clean and free of debris.
  5. Ensure that any vibration dampening attachments are securely in place.
  6. With the brake lathe running, slowly bring in the cutting tools until they just contact the brake rotor friction surfaces.
  7. Observe the witness mark on the brake rotor. If the witness mark extends approximately three-quarters or more of the way around the brake rotor friction surface on each side, the brake rotor is properly mounted to the lathe.
  8. If the witness mark does not extend three-quarters or more of the way around the brake rotor, re-mount the rotor to the lathe.
  9. Following the brake lathe manufacturer's instructions, refinish the brake rotor.
  10. After each successive cut, inspect the brake rotor thickness. Refer to «Brake Rotor Thickness Measurement»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-thickness-measurement) .
  11. If at any time the brake rotor exceeds the minimum allowable thickness after refinish specification, the brake rotor must be replaced.
  12. After refinishing the brake rotor, use the following procedure in order to obtain the desired non-directional finish: Follow the brake lathe manufacturer's recommended speed setting for applying a non-directional finish. Using moderate pressure, apply the non-directional finish: If the lathe is equipped with a non-directional finishing tool, apply the finish with 120-grit aluminum oxide sandpaper. If the lathe is not equipped with a non-directional finishing tool, apply the finish with a sanding block and 150-grit aluminum oxide sandpaper. After applying a non-directional finish, clean each friction surface of the brake rotor with denatured alcohol, or an equivalent approved brake cleaner and wipe each friction surface using a clean shop towel to remove metal particles remaining from machining. Repeat the cleaning process if necessary to remove all metal particles.
  13. Remove the brake rotor from the brake lathe.
  14. Measure the assembled LRO of the brake rotor to ensure optimum performance of the disc brakes. Refer to «Brake Rotor Assembled Lateral Runout Measurement»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-measurement) .
  15. If the brake rotor assembled LRO measurement exceeds the specification, bring the LRO to within specifications. Refer to «Brake Rotor Assembled Lateral Runout Correction»(/cadillac/cts/ii-2007-2014/remont/mechanical-hydraulic/#disc-brake-system__brake-rotor-assembled-lateral-runout-correction) .

System Component Description

The disc brake system consists of the following components

System Operation (CTS)

Mechanical output force is applied from the hydraulic brake caliper pistons to the inner brake pads. As the pistons press the inner brake pads outward, the caliper housings draw the outer brake pads inward. This allows the output force to be equally distributed. The brake pads apply the output force to the friction surfaces on both sides of the brake rotors, which slows the rotation of the tire and wheel assemblies. The correct function of both the brake pad and brake caliper hardware is essential for even distribution of braking force.

System Operation (CTS-V)

Mechanical output force is applied from the hydraulic brake caliper inboard and outboard pistons to the inner and outer brake pads. The brake calipers are a fixed, opposed-piston design, allowing the output force to be equally distributed through the distribution of the pressurized brake fluid within the caliper. The brake pads apply the output force to the friction surfaces on both sides of the brake rotors, which slows the rotation of the tire and wheel assemblies. The correct function of the brake pad hardware and of the brake caliper inboard and outboard pistons is essential for even distribution of braking force.

Illustration Tool Number/ Description J 2619-A Slide Hammer w/Adapter J 39544-KIT Complete Torque Socket Set - 10 PCS J 41013 Rotor Resurfacing Kit J 42450-A Wheel Hub Resurfacing Kit J 45101 Hub and Wheel Runout Gauge J 45101-100 Conical Brake Rotor Washers J 46277 Rotor Removal Tool

Scheme 1

Scheme 1: Special Tools

Scheme 2

Scheme 2

Scheme 3

Scheme 3

Scheme 4

Scheme 4

Scheme 5

Scheme 5

Scheme 6

Scheme 6

See also:
Brake Dust Warning
Tire and Wheel Removal and Installation
Lifting and Jacking the Vehicle
Fastener Caution
Master Cylinder Reservoir Filling
Parking Brake Cable Adjuster Disabling (Electric Park Brake)
Parking Brake Cable Adjuster Enabling (Electric Park Brake)
Brake Fluid Irritant Warning
Brake Fluid Effects on Paint and Electrical Components Caution
Hydraulic Brake System Bleeding (Manual)
Front Wheel Speed Sensor Replacement (RWD)
Front Wheel Bearing and Hub Replacement (RWD)
Front Disc Brake Pads Replacement (JE5, J55 (RWD))
Disc Brake Component Specifications
Brake Rotor Thickness Variation Measurement
Front Brake Rotor Replacement (JE5, J55 (RWD))
Front Brake Rotor Replacement (J56)
Rear Brake Rotor Replacement (JE5, J55)
Rear Brake Rotor Replacement (J56)
Brake Rotor Refinishing
Brake Rotor Assembled Lateral Runout Correction
Front Disc Brake Mounting and Hardware Inspection
Brake Pad and Rotor Burnishing
Brake Caliper Inspection
Rear Disc Brake Mounting and Hardware Inspection
Brake Rotor Assembled Lateral Runout Measurement
Brake Rotor Thickness Measurement