RX400h · Service Manual BRAKE

REASSEMBLY

Removal / installation


1. INSTALL PARKING BRAKE SHOE LEVER

  1. C064143
    Using a feeler gauge, measure the clearance.

    Standard clearance:
    Less than 0.35 mm (0.014 in.)

    If the clearance is greater than the standard, replace the shim with one of the following sizes.
    Shim Thickness
    		 Shim Thickness
    0.3 mm (0.012 in.)
    		 0.9 mm (0.035 in.)
    0.6 mm (0.024 in.)
    		 -

  1. C064144
    Using pliers, install the parking brake shoe and shim with a new C-washer.


2. APPLY HIGH TEMPERATURE GREASE

  1. C112170E01
    Apply high temperature grease to the areas of the backing plate which make contact with the parking brake shoe.


3. INSTALL PARKING BRAKE SHOE HOLD DOWN SPRING NO.1 PIN

  1. C108701
    Install the parking brake shoe hold down spring No.1 pin to the backing plate.


4. INSTALL REAR AXLE HUB AND BEARING ASSEMBLY

  1. C108173
    Install the hub and bearing assembly with the 4 bolts.

    Torque:
    75 N*m{ 765 kgf*cm , 55 ft.*lbf }


5. INSTALL REAR AXLE SHAFT NUT

  1. Using a socket wrench (30 mm), install a new rear axle shaft nut.

    Torque:
    294 N*m{ 3,000 kgf*cm , 217 ft.*lbf }

    HINT:
    1. Stake the nut after inspecting for looseness and runout in the following steps.
    2. While applying the brakes, install the rear axle shaft nut.


6. INSTALL REAR SPEED SENSOR

  1. C108209
    Install the speed sensor with the bolt.

    Torque:
    8.0 N*m{ 82 kgf*cm , 71 in.*lbf }

    NOTICE:
    1. Be careful not to damage the speed sensor.
    2. Prevent foreign matter from adhering to the speed sensor.
    3. Do not twist the sensor wire when installing the sensor.


7. CONNECT PARKING BRAKE NO.3 CABLE ASSEMBLY

  1. C108694
    Connect the parking brake No.3 cable assembly to the backing plate with the 2 bolts.

    Torque:
    8.0 N*m{ 82 kgf*cm , 71 in.*lbf }


8. INSTALL PARKING BRAKE NO.2 SHOE ASSEMBLY

  1. C108700
    Using needle-nose pliers, connect the parking brake No.3 cable assembly to the parking brake shoe lever.

    NOTICE:
    Be careful not to damage the parking brake No.3 cable assembly.

  1. C108699
    Install the parking brake No.2 shoe assembly with the parking brake shoe hold down spring No.2 pin, parking brake shoe hold down spring No.2 cup, parking brake shoe hold down spring and parking brake shoe hold down spring No.1 cup.


9. INSTALL PARKING BRAKE SHOE ADJUSTING SCREW SET

  1. F041705E01
    Apply high temperature grease to the parking brake shoe adjusting screw set.

  1. F045550E01
    Install the parking brake shoe return tension No.2 spring to the parking brake No.1 shoe assembly and parking brake No.2 shoe assembly.

  1. Install the parking brake shoe adjusting screw set to the parking brake No.1 shoe assembly and parking brake No.2 shoe assembly.


10. INSTALL PARKING BRAKE NO.1 SHOE ASSEMBLY

  1. C108698
    Install the parking brake No.1 shoe assembly with the parking brake shoe hold down spring No.1 pin, parking brake shoe hold down spring No.2 cup, parking brake shoe hold down spring and parking brake shoe hold down spring No.1 cup.


11. INSTALL PARKING BRAKE SHOE STRUT

  1. Install the parking brake shoe strut and parking brake shoe strut compression spring to the parking brake No.1 and No.2 parking brake shoe assemblies.

  1. C108696
    Using needle-nose pliers, install the 2 parking brake shoe return tension No.1 springs.

    HINT:
    Be sure to install the front side spring before the rear side.


12. CHECK PARKING BRAKE INSTALLATION

  1. Make sure that all the parts are installed properly.
    If necessary, reinstall properly.

    C108705E01


13. INSPECT REAR AXLE HUB BEARING LOOSENESS

  1. C108157
    Using a dial indicator, check for looseness near the center of the axle hub.

    Maximum:
    0.05 mm (0.0020 in.)

    NOTICE:
    Ensure that the dial indicator is set at right angles to the measurement surface.

    If looseness exceeds the maximum, replace the axle hub assembly.


14. INSPECT REAR AXLE HUB RUNOUT

  1. C108158
    Using a dial indicator, check for runout on surface of the axle hub outside the hub bolt.

    Maximum:
    0.07 mm (0.0028 in.)

    NOTICE:
    Ensure that the dial indicator is set at right angles to the measurement surface.

    If runout exceeds the maximum, replace the axle hub assembly.


15. INSTALL REAR DISC

  1. Align the matchmarks on the rear disc and rear axle hub.


16. ADJUST PARKING BRAKE SHOE CLEARANCE

  1. Temporarily install the hub nuts.

  1. Remove the shoe adjusting hole plug.

  1. Turn the shoe adjuster and expand the shoe until the disc locks.

  1. C108704E01
    Turn and contract the shoe adjuster until the disc can rotate smoothly.

    Standard:
    Return 8 notches

  1. Check that there is no brake drag against the shoe.

  1. Install the shoe adjusting hole plug.

  1. Remove the hub nuts.


17. INSTALL REAR DISC BRAKE CALIPER ASSEMBLY

  1. C108172
    Install the rear disc brake caliper assembly with the 2 bolts.

    Torque:
    78 N*m{ 795 kgf*cm , 58 ft.*lbf }

    NOTICE:
    Do not twist the flexible hose .


18. INSTALL REAR WHEEL

Torque:
103 N*m{ 1,050 kgf*cm , 76 ft.*lbf }


19. INSPECT PARKING BRAKE PEDAL TRAVEL

  1. Fully depress the parking brake pedal and release it to engage the parking brake.

  1. Depress the pedal to the floor again, and release it to disengage the parking brake.

  1. C107204
    Slowly depress the parking brake pedal to the floor, and count the number of clicks.

    Standard:
    5 to 7 notches at 300 N (31 kgf, 68.3 lbf)


20. ADJUST PARKING BRAKE PEDAL TRAVEL

  1. C110885E01
    Depress the parking brake pedal. Hold the wire adjusting No.1 nut using a wrench and loosen the lock nut.

  1. Release the parking brake pedal.

  1. Turn the wire adjusting No.1 nut until the parking brake pedal travel meets the standard.

  1. Hold the wire adjusting No.1 nut using a wrench or equivalent tool and tighten the lock nut.

    Torque:
    6.0 N*m{ 61 kgf*cm , 53 in.*lbf }

  1. Count the number of clicks after depressing and releasing the parking brake pedal 3 or 4 times.

  1. Check whether the parking brake drags.

  1. When operating the parking brake pedal, check that the parking brake indicator light comes on.


21. CHECK ABS SPEED SENSOR SIGNAL
(Click here)
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