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Brake System: Removal & Installation Nissan Note E12

Mechanical - Hydraulic 12 illustrations ~2396 words

REMOVAL

  1. Remove instrument lower panel LH. Refer to " «REMOVAL AND INSTALLATION»(ref-675607-S42805239232014120500000) ".
  2. Remove knee bolster. Refer to " «EXPLODED VIEW»(ref-675607-S27289048472014120500000) ".
  3. Disconnect the harness connector from the stop lamp switch.
  4. Disconnect the harness connector from the ASCD cancel switch (if equipped).
  5. Disconnect the harness connector from the accelerator pedal. Remove the accelerator pedal. Refer to " «REMOVAL AND INSTALLATION»(ref-675602-S13956556252014120500000) ".
  6. Separate the harness from brake pedal.
  7. Rotate the stop lamp switch counter clockwise to remove.
  8. Rotate the ASCD cancel switch (if equipped) counter clockwise to remove.
  9. Remove snap pin and clevis pin from clevis.
  10. Disconnect the power steering harness connector and position it aside.
  11. Remove the brake pedal. CAUTION: Support the brake booster and master cylinder to prevent contact with other components.
  12. Perform the inspection after removal. Refer to " «INSPECTION AND ADJUSTMENT»(ref-675601-S17264019752014120500000) ".

INSTALLATION

Installation is in the reverse order of removal.

CAUTIONReplace the brake pedal if it has been dropped or sustained an impact.
  1. Apply the multi-purpose grease to the clevis pin and the mating faces. (Not necessary if grease has been already applied) NOTE: The clevis pin may be inserted in either direction.
  2. Perform the adjustment after installation. Refer to " «INSPECTION AND ADJUSTMENT»(ref-675601-S17264019752014120500000) ".

FRONT: Removal and Installation

CAUTIONDo not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off immediately and wash with water if it gets on a painted surface. Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the sub tank.

Note. When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

  1. Remove the wheel and tire using power tool.
  2. Loosen the flare nut using a flare nut wrench and separate the brake tube from the hose, and remove the brake tube. CAUTION: Do not scratch the flare nut and the brake tube. Do not bend sharply, twist or strongly pull out the brake hoses and tubes.
  3. Remove the union bolt, the copper sealing washers, and the brake hose from the brake caliper.
  4. Remove the lock plate and brake hose.

Scheme 23

Scheme 23: INSTALLATION
Scheme 23: INSTALLATION
  1. Assemble the union bolt (A) and the copper sealing washers (1) to the brake hose and install it to the caliper. Align the brake hose L-pin with the brake caliper hole, and tighten the union bolt (A) to the specified torque. Refer to " «FRONT: EXPLODED VIEW»(ref-675601-S39159554292014120500000) ". CAUTION: Do not reuse copper sealing washers.
  2. Install the brake tube to the brake hose, temporarily tighten the flare nut by hand until it does not rotate further, and secure the brake hose to the bracket with the lock plate. CAUTION: Check that all brake hoses and brake tubes are not excessively bent, kinked or twisted. Make sure that interference does not exist between the brake hoses and other parts when turning the steering wheel clockwise and counterclockwise.
  3. Tighten the flare nut to the specified torque using a crowfoot and torque wrench. CAUTION: Do not scratch the flare nut and the brake tube.
  4. Refill with new brake fluid and perform the air bleeding. Refer to " «BLEEDING BRAKE SYSTEM»(ref-675601-S26412415452014120500000) ". CAUTION: Do not reuse drained brake fluid.
  5. Install the wheel and tire. Refer to " «EXPLODED VIEW»(ref-675581-S29221921072014120500000) ".
  6. Perform inspection after installation. Refer to " «FRONT: INSPECTION»(ref-675601-S06590451272014120500000) ".

REAR: Removal and Installation

CAUTIONDo not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off immediately and wash with water if it gets on a painted surface. Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank.

Note. When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

  1. Remove the wheel and tire using power tool.
  2. Loosen the flare nut using a flare nut wrench and separate the brake tube from the brake hose. CAUTION: Do not scratch the flare nut or the brake tube. Do not bend sharply, twist or strongly pull out the brake hoses and brake tubes.
  3. Remove the lock plate and remove the brake hose from the vehicle.
  4. Loosen the flare nut using a flare nut wrench and separate the brake tube from the wheel cylinder. Remove the brake tube.
  1. Connect the brake tube to the wheel cylinder. Temporarily tighten the flare nut by hand until it does not rotate further.
  2. Connect the brake hose to the brake tube. Temporarily tighten the flare nut by hand until it does not rotate further. Secure the brake hose to the bracket with the lock plate. CAUTION: Check that all brake hoses and brake tubes are not excessively bent, kinked or twisted. Make sure that interference does not exist between the brake hoses and other parts when the suspension moves.
  3. Tighten the flare nut to the specified torque using a crowfoot and torque wrench. Refer to " «REAR: EXPLODED VIEW»(ref-675601-S27326783412014120500000) ". CAUTION: Do not scratch the flare nut or the brake tube.
  4. Refill with new brake fluid and perform the air bleeding. Refer to " «BLEEDING BRAKE SYSTEM»(ref-675601-S26412415452014120500000) ". CAUTION: Do not reuse drained brake fluid.
  5. Install the wheel and tire. Refer to " «EXPLODED VIEW»(ref-675581-S29221921072014120500000) ".
  6. Perform inspection after installation. Refer to " «REAR: INSPECTION»(ref-675601-S22977706702014120500000) ".

Removal and Installation

CAUTIONBe careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on painted areas, wash it away with water immediately. Do not scratch the piston of brake master cylinder when installing/removing because the piston is exposed. Check for any dust on the piston, and wash with brake fluid if needed. Hold the brake master cylinder when handing the brake master cylinder. Do not hold the piston because the piston might become detached if pulled strongly.

Note. When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

  1. Remove battery tray. Refer to " «REMOVAL AND INSTALLATION (BATTERY TRAY)»(ref-675572-S08830848842014120500000) ".
  2. Remove air cleaner and air duct. Refer to " «REMOVAL AND INSTALLATION»(ref-675577-S21280789682014120500000) ".
  3. Position the IPDM E/R aside to obtain access to the brake master cylinder. Refer to " «REMOVAL AND INSTALLATION»(ref-675597-S28632663882014120500000) " (WITH I-KEY), " «REMOVAL AND INSTALLATION»(ref-675598-S27210814052014120500000) " (WITHOUT I-KEY).
  4. Disconnect the harness connector from the brake fluid level switch.
  5. Disconnect the brake tubes from the brake master cylinder using a flare nut wrench. CAUTION: Do not scratch the flare nut or the brake tubes.
  6. Remove nuts and brake master cylinder. CAUTION: Do not bend sharply, twist, or strongly pull out the brake tubes. Do not depress the brake pedal after the brake master cylinder is removed. The piston of the brake master cylinder is exposed. Do not damage it when removing the brake master cylinder.
  7. Remove and discard the O-ring.

Installation is in the reverse order of removal.

CAUTIONDo not reuse the seal. Do not reuse the O-ring. Check that no dirt and dust are present on the piston before installation. Clean it with new brake fluid if necessary. Check that all brake tubes are not excessively bent, kinked or twisted. Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the sub tank and reservoir tank.

Scheme 24

Scheme 24
Scheme 24
  1. Apply silicone grease to the brake booster (A) as shown when installing the brake master cylinder to the brake booster.
  2. Temporarily tighten the brake tube flare nut to the brake master cylinder by hand. Then tighten it to the specified torque using a crowfoot and torque wrench. Refer to " «FRONT: EXPLODED VIEW»(ref-675601-S39159554292014120500000) ". CAUTION: Do not scratch the flare nut or the brake tubes.
  3. After installation, perform the air bleeding. Refer to " «BLEEDING BRAKE SYSTEM»(ref-675601-S26412415452014120500000) ". CAUTION: Do not reuse drained brake fluid.
  4. Perform the inspection after installation. Refer to " «INSPECTION»(ref-675601-S19418995382014120500000) ".
CAUTIONDo not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off immediately and wash with water if it gets on a painted surface.

Scheme 25

Scheme 25: REMOVAL
Scheme 25: REMOVAL
  1. Remove brake master cylinder. Refer to " «REMOVAL AND INSTALLATION»(ref-675601-S33457778362014120500000) ".
  2. Remove battery tray. Refer to " «EXPLODED VIEW»(ref-675572-S00403242272014120500000) ".
  3. Remove ECM. Refer to " «REMOVAL AND INSTALLATION»(ref-675586-S42271679082014120500000) ".
  4. Remove TCM (if equipped). Refer to " «REMOVAL AND INSTALLATION»(ref-675588-S20352004222014120500000) ".
  5. Remove vacuum hose from check valve. Refer to " «EXPLODED VIEW»(ref-675601-S24182232422014120500000) ".
  6. Remove instrument lower panel LH. Refer to " «REMOVAL AND INSTALLATION»(ref-675607-S42805239232014120500000) ".
  7. Remove knee bolster. Refer to " «EXPLODED VIEW»(ref-675607-S27289048472014120500000) ".
  8. Remove the snap pin (1) and clevis pin (2). Refer to " «EXPLODED VIEW»(ref-675601-S31255160012014120500000) ".
  9. Remove nuts on brake booster and brake pedal. Refer to " «EXPLODED VIEW»(ref-675601-S31255160012014120500000) ".
  10. Remove brake booster from dash panel on engine room side. CAUTION: Do not deform or bend the brake tubes. NOTE: If removing brake booster is difficult, remove clevis from brake booster.
  11. Remove check valve from brake booster.
  12. Perform inspection after removal. Refer to " «INSPECTION AND ADJUSTMENT»(ref-675601-S19572224562014120500000) ".
CAUTIONDo not reuse drained brake fluid. Do not reuse the gasket. Be careful not to damage brake booster stud bolt threads. If brake booster is tilted during installation, the dash panel may damage the threads. Check that all brake tubes are not excessively bent, kinked or twisted. Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank.

Installation is in the reverse order of removal.

Scheme 26

Scheme 26
Scheme 26
  1. Set check valve angle (A) as shown below. Check valve angle: 45°
  2. After installation, perform the air bleeding. Refer to " «BLEEDING BRAKE SYSTEM»(ref-675601-S26412415452014120500000) ". CAUTION: Do not reuse drained brake fluid.
  3. Perform the inspection after installation. Adjust the brake pedal height and play if necessary. Refer to " «INSPECTION AND ADJUSTMENT»(ref-675601-S19572224562014120500000) ".
  1. Remove the air cleaner and air duct. Refer to " «REMOVAL AND INSTALLATION»(ref-675577-S21280789682014120500000) ".
  2. Remove the vacuum hose and vacuum piping.

Installation is in the reverse order of removal.

Scheme 27

Scheme 27: INSTALLATION
Scheme 27: INSTALLATION
  1. When installing vacuum hose, insert until tip reaches the back-end of length (A) or further as shown below. CAUTION: Do not use lubricating oil during assembly. Length: 24 mm (0.94 in) or more Face the paint mark of vacuum hose (intake manifold side) upward to assemble. Face the other paint marks of vacuum hose to the vehicle front side to assemble.

BRAKE PAD: Removal and Installation

WARNINGClean any dust from the front brake and rear brake with a vacuum dust collector. Do not blow with compressed air.
CAUTIONWhile removing caliper, do not depress the brake pedal because the piston will pop out. It is not necessary to remove bolts on torque member and brake hose except for disassembly or replacement of front disc brake caliper. In this case, hang front disc brake caliper with a wire so as not to stretch brake hose. Do not damage piston boot. Keep disc brake rotor and brake pads free from brake fluid and grease.
  1. Remove the front wheel and tire using power tool.
  2. Remove sliding pin bolts.
  3. Suspend the cylinder body with suitable wire in a position so that the brake hose will not stretch. Then remove the pad return springs, brake pads, shims and pad retainers from the torque member. CAUTION: Do not deform the pad return springs or pad retainers when servicing the brake pads. Note the position of the brake pads during removal to aid installation.
  4. Perform inspection after removal. Refer to " «BRAKE PAD: INSPECTION»(ref-675601-S30345858122014120500000) ".
  1. Install the pad retainers to the torque member. CAUTION: Install the pad retainers so that they will not be lifted up from the torque member. Do not deform the pad retainers.
  2. Apply MOLYKOTE® 7439 or equivalent to the to the mating surfaces between the shims and the brake pads.
  3. Install the brake pads and shims to the torque member. CAUTION: Replace the brake pads and shims if they have been dropped or sustained and impact. If any shim is damaged by corrosion, replace it. Always replace shims and brake pads as a set.
  4. Install the pad return springs to the brake pads. CAUTION: Do not deform the pad return springs. Correctly insert the pad return spring into the pad return spring hole on the brake pad.
  5. Install cylinder body to torque member. CAUTION: When installing new brake pads, check the brake fluid level in the reservoir tank because brake fluid returns to the reservoir tank when pressing piston in. NOTE: Use a disc brake piston tool to press piston into the cylinder body.
  6. Install the sliding pin bolts and tighten to the specified torque. Refer to " «BRAKE PAD: EXPLODED VIEW»(ref-675601-S33474469552014120500000) ".
  7. Depress the brake pedal several times to verify that brake drag does not exist for the front disc brake. Refer to " «BRAKE PAD: INSPECTION»(ref-675601-S30345858122014120500000) ".
  8. Install the front wheel and tire. Refer to " «EXPLODED VIEW»(ref-675581-S29221921072014120500000) ".
  9. Perform the inspection after installation. Refer to " «BRAKE PAD: INSPECTION»(ref-675601-S30345858122014120500000) ".

BRAKE CALIPER ASSEMBLY: Removal and Installation

WARNINGClean any dust from the brake caliper and brake pads with a vacuum dust collector. Do not blow with compressed air.
CAUTIONWhile removing caliper, do not depress the brake pedal because the piston will pop out. Do not damage piston boot. Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank. Do not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe off immediately and wash with water if brake fluid spills on painted surfaces. Keep disc brake rotor free from brake fluid. Do not reuse drained brake fluid.

Note. When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

  1. Remove the front wheel and tire using power tool.
  2. Remove union bolt and disconnect brake hose from brake caliper. Discard the copper sealing washers.
  3. Remove bolts and torque member including brake caliper.
  4. Remove disc brake rotor. If reusing the disc brake rotor, apply matching marks on the wheel hub and disc brake rotor to aid installation. CAUTION: Put matching marks on the wheel hub and disc brake rotor, if it is necessary to remove disc brake rotor.
  1. Install disc brake rotor, align the matching marks if installing the original disc brake rotor. CAUTION: Replace the disc brake rotor if it has been dropped or sustained an impact. Align the marks on disc brake rotor and wheel hub at the time of installation when reusing disc brake rotor.
  2. Install the torque member including brake caliper to the steering knuckle and tighten the torque member bolts to the specified torque. Refer to " «BRAKE CALIPER ASSEMBLY: EXPLODED VIEW»(ref-675601-S13560409762014120500000) ". CAUTION: Replace the torque member if it has been dropped or sustained an impact. Do not allow oil or any moisture on all contact surfaces between steering knuckle and torque member, and bolts.
  3. Install brake hose to brake caliper with new copper sealing washers (1). Tighten union bolt (A) to the specified torque. Refer to " «FRONT: EXPLODED VIEW»(ref-675601-S39159554292014120500000) ". CAUTION: Do not reuse copper sealing washers.
  4. Refill reservoir tank with new brake fluid and bleed air from the brake hydraulic system. Refer to " «BLEEDING BRAKE SYSTEM»(ref-675601-S26412415452014120500000) ".
  5. Install the front wheel and tire. Refer to " «EXPLODED VIEW»(ref-675581-S29221921072014120500000) ".
  6. Perform the inspection after installation. Refer to " «BRAKE PAD: INSPECTION»(ref-675601-S30345858122014120500000) ".

Scheme 28

Scheme 28: DISASSEMBLY
Scheme 28: DISASSEMBLY
WARNINGClean dust on brake caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne particles or other materials.
CAUTIONWhile removing brake caliper, do not depress brake pedal because piston will pop out. Do not damage the piston boot.

Note. The front brake caliper (LH) is shown in the figure. The front brake caliper (RH) is similar. Do not remove the pad return springs, brake pads, and pad retainers from the torque member when disassembling and assembling the brake caliper.

Scheme 29

Scheme 29: DISASSEMBLY
Scheme 29: DISASSEMBLY

Scheme 30

Scheme 30
Scheme 30
  1. Remove the sliding pin bolts and the cylinder body from the torque member.
  2. Remove the sliding pins and the sliding pin boots.
  3. Remove the bushing from the sliding pin.
  4. Place a wooden block as shown in the figure, and blow air from union bolt mounting hole to remove piston and piston boot. WARNING: Do not get fingers caught between the piston and wooden block.
  5. Remove piston seal from cylinder body using suitable tool. CAUTION: Be careful not to damage cylinder inner wall.
  6. Remove bleeder valve and cap.
  7. Perform inspection after disassembly.
WARNINGClean any dust from the front brake and rear brake with a vacuum dust collector. Do not blow with compressed air.
CAUTIONDo not depress the brake pedal while removing the brake drum because the pistons may pop out. Do not drop the removed parts. Do not spill or splash brake fluid on the brake drum.

Note. When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

Scheme 31

Scheme 31: REMOVAL
Scheme 31: REMOVAL

Scheme 32

Scheme 32
Scheme 32
  1. Remove the wheel and tire using power tool. Refer to " «EXPLODED VIEW»(ref-675581-S29221921072014120500000) ".
  2. Remove the brake drum. Refer to " «REMOVAL AND INSTALLATION»(ref-675609-S38227699802014120500000) ". NOTE: Make sure the parking brake is fully released prior to removal of the brake drum. The rear wheel hub is part of the brake drum.
  3. Remove the retainers (1) by pushing them inward toward the vehicle and rotating. This will release the shoe hold pins, brake shoes, each retainer, and adjuster. CAUTION: Do not damage the wheel cylinder boots.
  4. Disconnect the parking brake cable from operating lever. CAUTION: Do not bend the operating lever.
  5. Disassemble the brake shoes, each spring, and adjuster.
  6. Remove the wheel cylinder using the following procedure: Disconnect the brake tube from the wheel cylinder. Remove the two bolts and wheel cylinder from back plate.
  7. Perform inspection after removal. Refer to " «INSPECTION AND ADJUSTMENT»(ref-675601-S40601699432014120500000) ".
CAUTIONReplace the parts if they have been dropped or sustained an impact. Do not damage the wheel cylinder. Do not allow foreign matter (e.g. dust) and oils other than brake fluid to enter the reservoir tank.

Installation is in the reverse of removal.

Scheme 33

Scheme 33
Scheme 33

Scheme 34

Scheme 34
Scheme 34
  1. Check the difference between left and right adjuster. Adjuster Direction Left side Left screw Right side Right screw
  2. Shorten the length of the adjuster by rotating it.
  3. For grease type and placement, refer to " «EXPLODED VIEW»(ref-675601-S28518891912014120500000) ".
  4. Check drum brake components for proper installation.
  5. Check the brake shoe linings and brake drum inner surface for grease. Make sure that grease does not contact the lining material or drum inner surface.
  6. Perform the air bleeding after installing a new or rebuilt wheel cylinder. Refer to " «BLEEDING BRAKE SYSTEM»(ref-675601-S26412415452014120500000) ".
  7. Step on the brake pedal several times after installing the brake drum.
  8. Perform the inspection after installation. Refer to " «INSPECTION AND ADJUSTMENT»(ref-675601-S40601699432014120500000) ".

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