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Disc & Drum: Other Mazda Tribute I

Mechanical - Hydraulic 21 illustrations ~1567 words

BLEEDING BRAKE SYSTEM

Note. If vehicle is equipped with anti-lock brakes, see appropriate ANTI-LOCK article for brake bleeding procedure.

BRAKELINE BLEEDING SEQUENCE

ApplicationSequence
TributeRR, LR, RF & LF

BRAKELINE BLEEDING SEQUENCE

BRAKE MASTER CYLINDER

WARNINGUse of any other than the approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes inoperative.
WARNINGBrake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.
CAUTIONDo not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.
CAUTIONBrake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

Note. When any part of the hydraulic system has been disconnected for repair or replacement, air may enter the system, causing spongy brake pedal action. This requires the bleeding of the hydraulic system after components have been correctly reconnected.

Bench Bleed

  1. Support the brake master cylinder body in a soft jaw vise. (Scheme 68)
  2. Remove the master cylinder cap and install short brake hoses to the master cylinder outlet ports with the ends submerged in the brake master cylinder reservoir. (Scheme 69) NOTE: If equipped with a manual transmission, plug the master cylinder feed port. (Scheme 70)
  3. Fill the brake master cylinder reservoir with DOT 3 brake fluid.
  4. Slowly depress the primary piston until bubble-free brake fluid flows from both brake hoses. (Scheme 71)
  5. Remove the brake hoses from the master cylinder.
  6. Install plugs in the front and rear brake outlet ports. (Scheme 72)
  7. Install the reservoir cap and install the brake master cylinder in the vehicle. Remove the master cylinder outlet port plugs before installing the brake lines.

Scheme 68

Scheme 68
Scheme 68

Scheme 69

Scheme 69
Scheme 69

Scheme 70

Scheme 70
Scheme 70

Scheme 71

Scheme 71
Scheme 71

Scheme 72

Scheme 72
Scheme 72

Master Cylinder In-Vehicle Bleed

  1. Disconnect the brake outlet lines from the brake master cylinder and cap the lines. (Scheme 73)
  2. Install short brake hoses to the master cylinder outlet ports with the ends submerged in the brake master cylinder reservoir. (Scheme 74)
  3. Fill the brake master cylinder reservoir with DOT 3 brake fluid.
  4. Have an assistant pump the brake pedal until clear, bubble-free brake fluid flows from both brake hoses.
  5. Remove the short brake hoses and install the brake outlet lines. Tighten all fasteners to specification. See «TORQUE SPECIFICATIONS»(ref-163516-S18841462002004070100000).

Scheme 73

Scheme 73
Scheme 73

Scheme 74

Scheme 74
Scheme 74

BRAKE SYSTEM PRESSURE BLEEDING

WARNINGUse of any other than the approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes inoperative.
WARNINGBrake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.
CAUTIONDo not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.
CAUTIONBrake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

Note. When any part of the hydraulic system has been disconnected for repair or replacement, air may enter the system, causing spongy brake pedal action. This requires the bleeding of the hydraulic system after components have been correctly reconnected.

  1. Clean the outside of the brake master cylinder reservoir. (Scheme 75)
  2. Remove the reservoir cap and fill the brake master cylinder reservoir with brake fluid. Use DOT 3 brake fluid. NOTE: Master cylinder pressure bleeder adapter tools are available from various manufacturers of pressure bleeding equipment. Follow the instructions of the manufacturer when installing the adapter.
  3. Install brake bleeder to the brake master cylinder reservoir, and attach the brake bleeder tank hose to the fitting on the adapter.
  4. Attach a rubber drain hose to the right side rear bleeder screw. (Scheme 76)and (Scheme 77). Submerge the free end of the hose in a container partially filled with clean brake fluid.
  5. Open the valve on the brake bleeder tank.
  6. Loosen the bleeder screw. Leave open until clear, bubble free brake fluid flows, then close the bleeder screw and remove the rubber hose.
  7. Tighten the wheel cylinder bleeder screw.
  8. Continue bleeding the rest of the system, going in order from the left side rear wheel to the right side front wheel, ending with the left side front wheel.
  9. Close the brake bleeder tank valve and remove the tank hose from the adapter, and remove the adapter.
  10. Fill the brake master cylinder reservoir and install the reservoir cap.

Scheme 75

Scheme 75
Scheme 75

Scheme 76

Scheme 76
Scheme 76

Scheme 77

Scheme 77
Scheme 77

BLEEDING ABS HYDRAULIC CONTROL UNIT

Note. Bleeding the hydraulic control unit (HCU) is required only when removing or installing the HCU or master cylinder, or opening the lines to the HCU.

  1. Carrying out the System Bleed function drives trapped air from the HCU. Subsequent bleeding removes the air from the brake hydraulic system through the bleeder screws. NOTE: Adequate voltage to the HCU module is required during the anti-lock control portion of the system bleed. Connect the WDS (factory scan tool) or equivalent aftermarket scan tool.
  2. Access the SYSTEM BLEED FUNCTION. Go to the Tool Tab-Chassis-Braking-ABS Service Bleed and follow the directions on the diagnostic scan tool.
  3. Manually bleed the brake hydraulic system. Repeat the procedure carrying out a total of two diagnostic tool cycles and two manual bleed cycles.

BRAKE PEDAL FREE PLAY

Information unavailable from manufacturer.

BRAKE PEDAL HEIGHT & STOPLIGHT SWITCH

Note. NEW stoplight switch must be used whenever brake pedal height is adjusted. NEW switch can only be adjusted once.

Models are equipped with a Brake Pedal Position (BPP) switch which is self-adjusting during installation. Further adjustments require new switch. No other brake pedal height information is provided by manufacturer.

MASTER CYLINDER PUSH ROD

Note. Information is not available from manufacturer for adjustment of the master cylinder push rod.

REAR BRAKE SHOES

Note. Rear brakes are self-adjusting and require manual adjustment only if brake shoes have been replaced.

Vehicles With Low Series Floor Console

Note. Numbers in parenthesis refer to numbers in illustration.

  1. If equipped, remove the manual transaxle shift knob by turning it counterclockwise (1). Remove the floor console front finish panel (2). (Scheme 78)
  2. Apply the parking brake (1). Remove the floor console rear finish panel (2). (Scheme 79)
  3. Remove the adjustment nut clip.
  4. Turn the parking brake control adjustment nut so that the parking brake control stroke is three to five notches when pulled. (Scheme 80)
  5. Confirm the parking brake is applied.
  6. Install the adjustment nut clip.
  7. Install the floor console rear finish panel.
  8. Install the floor console front finish panel. If equipped, install the manual transaxle shifter knob.

Scheme 78

Scheme 78
Scheme 78

Scheme 79

Scheme 79
Scheme 79

Scheme 80

Scheme 80
Scheme 80

Vehicles With High Series Floor Console

Note. Numbers in parenthesis refer to numbers in illustration.

  1. Apply the parking brake (1). Remove the floor console finish panel (2). (Scheme 81)
  2. Remove the adjustment nut clip.
  3. Turn the parking brake control adjustment nut so that the parking brake control stroke is three to five notches when pulled. (Scheme 80)
  4. Confirm the parking brake is applied.
  5. Install the adjustment nut clip.
  6. Install the floor console finish panel.

Scheme 81

Scheme 81
Scheme 81

BRAKE SYSTEM LEAK CHECK

Note. Numbers in parenthesis refer to numbers in illustration.

  1. Check the brake fluid level. (Scheme 82) If the fluid level is below the MIN line on the brake master cylinder reservoir add the necessary amount of DOT 3 brake fluid.
  2. Using the illustration for a reference, inspect the (1) brake line fittings and the (2) brake master cylinder reservoir for fluid leaks. (Scheme 83)
  3. Inspect the brake lines and hoses for fluid leaks.
  4. Inspect the rear wheel cylinders for leaks.
  5. Inspect the front disc brake calipers for leaks.
  6. If a hydraulic leak is detected, repair or install a new component.

Scheme 82

Scheme 82
Scheme 82

Scheme 83

Scheme 83
Scheme 83

POWER BRAKE UNIT

Note. Information is not available from manufacturer.

PROPORTIONING VALVE

Note. Information is not available from manufacturer.

WARNINGUse of any other than the approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes inoperative.
WARNINGBrake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.
CAUTIONDo not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.
CAUTIONBrake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

Note. When any part of the hydraulic system has been disconnected for repair or replacement, air may enter the system, causing spongy brake pedal action. This requires the bleeding of the hydraulic system after components have been correctly reconnected.

FRONT DISC BRAKE CALIPER

WARNINGAsbestos fiber dust may be present on brake and clutch assemblies and is hazardous to health if inhaled. Brake and clutch assemblies should be cleaned using a vacuum cleaner recommended for use with asbestos fibers such as a brake/clutch/service vacuum. The bag must be labeled per OSHA instructions, sealed, and the trash hauler notified as to the bag's contents. If a vacuum suitable for asbestos is not available, cleaning should be done wet. If dust generation is still possible, technicians should wear government-approved toxic dust purifying respirators. Failure to follow these instructions may result in personal injury.
WARNINGBrake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately. Failure to follow these instructions may result in personal injury.
CAUTIONDo not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.
CAUTIONBrake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

Note. When any part of the hydraulic system has been disconnected for repair or a new component has been installed, air may get into the system and cause spongy brake pedal action. This requires bleeding of the hydraulic system after it has been correctly connected. The hydraulic system can be bled manually or with a Brake Bleeder.

PRESSURE CONTROL VALVE

WARNINGUse of any other than the approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes inoperative.
WARNINGBrake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.
CAUTIONDo not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.
CAUTIONBrake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

Note. When any part of the hydraulic system has been disconnected for repair or replacement, air may enter the system, causing spongy brake pedal action. This requires the bleeding of the hydraulic system after components have been correctly reconnected.

REAR AXLE BEARING & OIL SEAL

For removal and installation, see appropriate REAR article in SUSPENSION.

REAR BRAKE DRUM

WARNINGAsbestos fiber dust can be present on brake and clutch assemblies and is hazardous to health if inhaled. Brake and clutch assemblies must be cleaned using a vacuum cleaner recommended for use with asbestos filters, such as brake/clutch/service vacuum. The bag must be labeled per the Occupational Safety and Health Act (OSHA) instructions, sealed, and the trash hauler notified as to the bag's contents. Failure to follow these instructions may result in personal injury.
WARNINGIf a vacuum suitable for asbestos is not available, cleaning must be done wet. If dust generation is still possible, technicians must wear government-approved toxic dust purifying respirators. The Occupational Safety and Health Act (OSHA) requires where asbestos dust generation is possible to be isolated and posted with warning signs. Only technicians carrying out brake or clutch repair are to be present in the area. Failure to follow these instructions may result in personal injury.
CAUTIONTo reduce the possibility of uneven braking, always install new rear brake shoes at both ends of an axle.
WARNINGUse of any other than the approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes inoperative.
WARNINGBrake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.
CAUTIONDo not allow the brake master cylinder reservoir to run dry during the bleeding operation. Keep the brake master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.
CAUTIONBrake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

Note. When any part of the hydraulic system has been disconnected for repair or replacement, air may enter the system, causing spongy brake pedal action. This requires the bleeding of the hydraulic system after components have been correctly reconnected.

Diassembly

Note. Numbers in parenthesis refer to numbers in illustration.

  1. Remove front disc brake caliper from the vehicle. See «FRONT DISC BRAKE CALIPER»(ref-163516-S16876937412004070100000) under REMOVAL & INSTALLATION.
  2. Remove the front caliper slide pins and boots. (Scheme 84)
  3. Remove the dust seal. (Scheme 85) WARNING: Use only as much compressed air as necessary to remove the piston. Excessive pressure can force the piston out of the caliper bore with enough force to cause personal injury. Never attempt to catch the piston by hand as it comes out of the bore. Failure to follow these instructions may result in personal injury. CAUTION: Do not use a screwdriver or any other similar tool to pry the piston out of the bore. Piston damage could result. NOTE: Inspect the piston for wear, rust, or pits. If any of these conditions exist, a new piston must be installed.
  4. Remove the caliper piston. By positioning a block of wood between the piston and the disc brake caliper (1). Then apply compressed air to caliper to remove piston (2). (Scheme 86)
  5. Remove the bleeder screw. (Scheme 87) CAUTION: Use a plastic or wooden pick to remove the piston seal from the caliper bore. A metal tool may scratch or nick the seal groove, which could result in a seal leak. NOTE: Inspect the caliper bore for wear, rust, or pits. (Scheme 88) If any of these conditions exist, do not hone; a new caliper must be installed.
  6. Remove the piston seal.

Scheme 84

Scheme 84
Scheme 84

Scheme 85

Scheme 85
Scheme 85

Scheme 86

Scheme 86
Scheme 86

Scheme 87

Scheme 87
Scheme 87

Scheme 88

Scheme 88
Scheme 88

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