Lexus IS250 · Service Manual SUSPENSION & AXLE

INSTALLATION

Removal / installation


1. INSTALL FRONT AXLE HUB SUB-ASSEMBLY

  1. F048238
    Install the front axle hub sub-assembly and front disc brake dust cover with the 4 bolts.

    Torque:
    69 N*m{ 702 kgf*cm , 51 ft.*lbf }


2. INSPECT FRONT AXLE HUB BEARING FOR LOOSENESS

  1. C117475
    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 perpendicular to the measurement surface.

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


3. INSPECT FRONT AXLE HUB FOR RUNOUT

  1. C117476
    Using a dial indicator, check for runout on the surface of the axle hub outside the hub bolt.

    Maximum:
    0.05 mm (0.0020 in.)

    NOTICE:
    Ensure that the dial indicator is set perpendicular to the measurement surface.

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


4. INSTALL FRONT DISC

  1. Align the matchmarks and install the front disc.

    HINT:
    When replacing the disc with a new one, select the installation position where the front disc has the minimum runout.


5. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

  1. C127363
    Install the brake caliper assembly and new No. 1 caliper plates to the steering knuckle with the 2 bolts.

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

    NOTICE:
    1. Do not twist the front brake hose when installing the front disc brake caliper.
    2. Make sure that there are no foreign objects or damage to the threads of the bolts.
    3. Do not overtighten the bolts because the steering knuckle is made of aluminum and may be damaged easily.


6. CONNECT FRONT SPEED SENSOR

  1. F048237
    Connect the speed sensor connector to the seed sensor front.

    NOTICE:
    Do not twist the sensor wire.


7. INSTALL FRONT WHEEL

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


8. CHECK ABS SPEED SENSOR SIGNAL
(Click here)
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