Steering Knuckle Installation

Suspension & Axle. Lexus Gs430, Gs300. Uzs190 Grs190
Axle. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSTALL STEERING KNUCKLE

  2. INSTALL LOWER BALL JOINT ASSEMBLY FRONT

  3. INSTALL FRONT AXLE HUB SUB-ASSEMBLY

  4. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

  5. CONNECT SPEED SENSOR FRONT

  6. INSTALL FRONT DISC

  7. INSTALL FRONT WHEEL

  8. CHECK ABS SPEED SENSOR SIGNAL

Steering Knuckle -- Installation



1. INSTALL STEERING KNUCKLE


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the steering knuckle to the upper suspension arm with a nut and new clip.

    Torque:
    87 N*m{887 kgf*cm, 64 ft.*lbf}
    NOTICE:
    If the holes for the clip are not aligned, tighten the nut up to another 60°.


2. INSTALL LOWER BALL JOINT ASSEMBLY FRONT


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the lower ball joint to the steering knuckle with the 2 bolts.

    Torque:
    120 N*m{1220 kgf*cm, 89 ft.*lbf}


3. INSTALL FRONT AXLE HUB SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the front axle hub sub-assembly and front disc brake dust cover with the 4 bolts.

    Torque:
    69 N*m{700 kgf*cm, 51 ft.*lbf}


4. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the brake caliper assembly 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.


5. CONNECT SPEED SENSOR FRONT


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Connect the speed sensor connector to the speed sensor front.

    NOTICE:
    Do not twist the sensor wire.


6. INSTALL FRONT DISC


    Lexus Gs430, Gs300. Uzs190 Grs190.Axle.Axle System.Steering Knuckle  Installation
  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.


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


8. CHECK ABS SPEED SENSOR SIGNAL
(w/ ECB: Click here)
(w/o ECB: Click here)