Lexus IS250 · Service Manual SUSPENSION & AXLE

INSTALLATION

Removal / installation


1. INSTALL STEERING KNUCKLE

  1. F048241
    Install the steering knuckle to the upper suspension arm with a nut.

    Torque:
    87 N*m{ 887 kgf*cm , 64 ft.*lbf }

  1. Install a new clip.

    NOTICE:
    If the holes for the clip are not aligned, further tighten the nut up to 60°.


2. INSTALL FRONT LOWER BALL JOINT ASSEMBLY

  1. F049035
    Install the steering knuckle to the lower ball joint with the 2 bolts.

    Torque:
    120 N*m{ 1,224 kgf*cm , 89 ft.*lbf }


3. 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 }


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 SPEED SENSOR FRONT

  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. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
(Click here)

9. CHECK ABS SPEED SENSOR SIGNAL
(Click here)
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