Front Axle Hub Bolt Replacement

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

  1. REMOVE FRONT WHEEL

  2. REMOVE FRONT DISC BRAKE CALIPER ASSEMBLY

  3. REMOVE FRONT DISC

  4. REMOVE FRONT AXLE HUB BOLT

  5. INSTALL FRONT AXLE HUB BOLT

  6. INSTALL FRONT DISC

  7. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

  8. INSTALL FRONT WHEEL

Front Axle Hub Bolt -- Replacement



1. REMOVE FRONT WHEEL


2. REMOVE FRONT DISC BRAKE CALIPER ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 2 bolts, and disconnect the brake caliper assembly.

    NOTICE:
    Use a wire or an equivalent to keep the brake caliper from hanging down by the flexible hose.


3. REMOVE FRONT DISC


    Lexus Gs430, Gs300. Uzs190 Grs190.Axle.Axle System.Front Axle Hub Bolt  Replacement
  1. Put matchmarks on the front disc and the axle hub.

  1. Remove the front disc.



4. REMOVE FRONT AXLE HUB BOLT


    Lexus Gs430, Gs300. Uzs190 Grs190.Axle.Axle System.Front Axle Hub Bolt  Replacement
  1. Using SST, remove the front axle hub bolt.

    SST
    09628-10011
    NOTICE:
    Do not damage the threads of the hub bolts.


5. INSTALL FRONT AXLE HUB BOLT


    Lexus Gs430, Gs300. Uzs190 Grs190.Axle.Axle System.Front Axle Hub Bolt  Replacement
  1. Install a washer and nut to a new bolt as shown in the illustration.

  1. Using a screwdriver or an equivalent to hold the hub, turn the wheel nut to pull the hub bolt until the bottom surface of the hub bolt head touches the axle hub.

    NOTICE:
    Do not damage the threads of the hub bolts.


6. INSTALL FRONT DISC


    Lexus Gs430, Gs300. Uzs190 Grs190.Axle.Axle System.Front Axle Hub Bolt  Replacement
  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 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.


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