Lexus IS250 · Service Manual BRAKE

ADJUSTMENT

Removal / installation


1. REMOVE REAR WHEEL

2. 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. C107311E06
    Turn and contract the shoe adjuster until the disc can rotate smoothly.

    Standard:
    Return 7 notches

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

  1. Install the shoe adjusting hole plug.

  1. Remove the hub nuts.


3. INSTALL REAR WHEEL

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


4. INSPECT PARKING BRAKE PEDAL TRAVEL (for Automatic Transmission)

  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.

    Parking brake pedal travel:
    7 to 9 notches at 300 N (31 kgf, 67.5 lbf)


5. ADJUST PARKING BRAKE PEDAL TRAVEL (for Automatic Transmission)

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

  1. Release the parking brake pedal.

  1. C106337E02
    Turn the No. 1 wire adjusting nut until the parking brake pedal travel meets the above specification.

  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 or not.

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


6. INSPECT PARKING BRAKE LEVER TRAVEL (for Manual Transmission)

  1. Pull firmly on the parking brake lever.

  1. Release the parking brake lock, and return the parking brake lever to its off position.

  1. C121749
    Slowly pull the parking brake lever all the way up, and count the number of clicks.

    Parking brake lever travel:
    4 to 6 notches at 200 N (20 kgf, 45 lbf)


7. ADJUST PARKING BRAKE LEVER TRAVEL (for Manual Transmission)

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

  1. Release the parking brake lever.

  1. C124880E01
    Turn the No. 1 wire adjusting nut until the parking brake lever travel meets the above specification.

  1. Hold the No. 1 wire adjusting 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 lever 3 or 4 times.

  1. Check whether the parking brake drags or not.

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

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