Front Suspension Upper Arm Removal

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

  1. SEPARATE CABLE FROM NEGATIVE BATTERY TERMINAL

  2. REMOVE ENGINE ROOM SIDE COVER

  3. REMOVE FRONT WHEEL

  4. SEPARATE SPEED SENSOR FRONT

  5. SEPARATE HEIGHT CONTROL SENSOR LINK SUB-ASSEMBLY FRONT

  6. SEPARATE FRONT SUSPENSION UPPER ARM

  7. REMOVE FRONT SHOCK ABSORBER CAP UPPER (for AVS)

  8. REMOVE ABSORBER CONTROL ACTUATOR (for AVS)

  9. REMOVE FRONT SHOCK ABSORBER WITH COIL SPRING

  10. REMOVE FRONT SUSPENSION UPPER ARM

Front Suspension Upper Arm -- Removal



1. SEPARATE CABLE FROM NEGATIVE BATTERY TERMINAL


2. REMOVE ENGINE ROOM SIDE COVER


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 4 clips and engine room cover.



3. REMOVE FRONT WHEEL


4. 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.


5. SEPARATE HEIGHT CONTROL SENSOR LINK SUB-ASSEMBLY FRONT


    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.



6. SEPARATE FRONT SUSPENSION UPPER ARM


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the clip and nut.



    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Upper Arm  Removal
  1. Using SST, remove the upper ball joint from the steering knuckle.

    SST
    09628-00011
    NOTICE:
    1. Use wire or something similar to suspend the steering knuckle and prevent it from hanging down by the flexible hose.
    2. Do not damage the ball joint dust cover or steering knuckle.
    3. Securely set the SST on the spacer of the steering knuckle.
    4. If the spacer of the steering knuckle comes off, replace the steering knuckle with a new one.


7. REMOVE FRONT SHOCK ABSORBER CAP UPPER (for AVS)


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Upper Arm  Removal
  1. Remove the 3 nuts and shock absorber cap upper.

  1. Separate the connector.



8. REMOVE ABSORBER CONTROL ACTUATOR (for AVS)


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Upper Arm  Removal
  1. Turn the absorber control actuator counterclockwise 40° to remove it from the front shock absorber with coil spring.



9. REMOVE FRONT SHOCK ABSORBER WITH COIL SPRING


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Upper Arm  Removal
  1. Support the front suspension lower arm with a jack. Be sure to place a wooden block between the jack and the front suspension lower arm to avoid damage.

  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 nut.


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Upper Arm  Removal
  1. Loosen the lock nut of the front shock absorber.

    NOTICE:
    1. Do not remove the lock nut.
    2. Loosen the lock nut only when disassembling the front shock absorber with coil spring.


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Suspension Upper Arm  Removal
  1. Remove the 3 nuts from the upper side of the front suspension support.

  1. Slowly lower the jack. Remove the bolt and nut from the lower side to remove the front shock absorber with coil spring.



10. REMOVE FRONT SUSPENSION UPPER ARM


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Remove the 2 bolts and front suspension upper arm.