Front Suspension Lower Arm Removal

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

  1. REMOVE FRONT WHEEL

  2. SEPARATE SPEED SENSOR FRONT

  3. SEPARATE TIE ROD ASSEMBLY

  4. SEPARATE HEIGHT CONTROL SENSOR LINK SUB-ASSEMBLY

  5. SEPARATE FRONT SHOCK ABSORBER WITH COIL SPRING

  6. REMOVE FRONT STABILIZER LINK ASSEMBLY

  7. REMOVE ENGINE UNDER COVER

  8. REMOVE FRONT SUSPENSION LOWER ARM

  9. REMOVE FRONT LOWER BALL JOINT

  10. REMOVE LOWER ARM NO.2 BRACKET SUB-ASSEMBLY

Front Suspension Lower Arm -- Removal



1. REMOVE FRONT WHEEL


2. SEPARATE SPEED SENSOR FRONT


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the bolt and separate the speed sensor front from the front shock absorber with coil spring.

    HINT:
    Be careful not to deform the bracket of the front shock absorber with coil spring when removing the bolt.


3. SEPARATE TIE ROD ASSEMBLY

  1. Remove the clip and the castle nut.



    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Lower Arm Removal

  1. Using SST, separate the tie rod end LH from the steering knuckle.

    SST
    09628-00011
    NOTICE:
    1. Hang SST with a string, etc. to prevent it from falling.
    2. Do not damage the front disc brake dust cover.
    3. Do not damage the ball joint dust cover.
    4. Do not damage the steering knuckle.


4. SEPARATE HEIGHT CONTROL SENSOR LINK SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the nut and separate the front suspension lower arm from the height control sensor link sub-assembly front.



5. SEPARATE FRONT SHOCK ABSORBER WITH COIL SPRING


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Lower Arm Removal

  1. Loosen the bolt while holding the nut. Separate the lower part of the front shock absorber from the front suspension lower arm.

    NOTICE:
    Do not remove the bolt.


6. REMOVE FRONT STABILIZER LINK ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Lower Arm Removal

  1. Remove the 2 nuts and the front stabilizer link assembly LH.

    HINT:
    If the ball joint turns together with the nut, use a hexagon (6 mm) wrench to hold the stud.


7. REMOVE ENGINE UNDER COVER


8. REMOVE FRONT SUSPENSION LOWER ARM


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Lower Arm Removal

  1. Support the front suspension crossmember with a transmission jack.

    NOTICE:
    Be sure to place a wooden block between the front suspension crossmember and transmission jack.


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 2 bolts from the front lower ball joint.



    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Loosen the installation nut of the lower arm No.2 bracket sub-assembly.

    NOTICE:
    Do not remove the nut.


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the bolt, washer and nut on the front of the front suspension lower arm.



    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Lower Arm Removal

  1. Remove the 4 bolts, side rail plate and front suspension lower arm with the lower arm No.2 bracket sub-assembly.



9. REMOVE FRONT LOWER BALL JOINT


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Lower Arm Removal

  1. Fix the front suspension lower arm in the vise using aluminium plates.

  1. Remove the clip and castle nut.

  1. Use SST to remove the front lower ball joint from the front suspension lower arm.

    SST
    09950-40011(09951-04010,09952-04010,09953-04020,09954-04010,09955-04051,09957-04010,09958-04011)
    NOTICE:
    1. Do not damage the front suspension lower arm.
    2. Do not damage the lower ball joint dust boots.


10. REMOVE LOWER ARM NO.2 BRACKET SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Lower Arm Removal

  1. Remove the nut, washer and lower arm No.2 bracket sub-assembly from the front suspension lower arm.