Rear Shock Absorber Installation

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

  1. INSTALL REAR SHOCK ABSORBER WITH COIL SPRING

  2. INSTALL ABSORBER CONTROL ACTUATOR (for AVS)

  3. INSTALL REAR SHOCK ABSORBER CAP

  4. TEMPORARILY TIGHTEN REAR SUSPENSION NO.2 ARM

  5. STABILIZE SUSPENSION

  6. FULLY TIGHTEN REAR SUSPENSION NO. 2 ARM

  7. INSTALL REAR SUSPENSION MEMBER BRACE

  8. INSTALL DIFFERENTIAL NO.2 SUPPORT PROTECTOR

  9. INSTALL REAR TIRE

  10. INSTALL LUGGAGE COMPARTMENT TRIM COVER INNER

  11. INSTALL REAR FLOOR FINISH PLATE

  12. INSTALL TOOL BOX

  13. INSTALL TOOL BOX BOARD

  14. INSTALL LUGGAGE COMPARTMENT TRIM SIDE COVER LH

  15. INSTALL LUGGAGE COMPARTMENT TRIM SIDE COVER RH

  16. INSTALL LUGGAGE COMPARTMENT FLOOR MAT

  17. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

  18. INSPECT ADAPTIVE VARIABLE SUSPENSION SYSTEM

  19. PERFORM INITIALIZATION

  20. INSPECT AND ADJUST REAR WHEEL ALIGNMENT

Rear Shock Absorber -- Installation



1. INSTALL REAR SHOCK ABSORBER WITH COIL SPRING


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Temporarily install the rear shock absorber with rear coil spring with the 2 bolts.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the 3 nuts on the upper side of the rear shock absorber with coil spring.

    Torque:
    74 N*m{755 kgf*cm, 55 ft.*lbf}


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Tighten the lock nut.

    Torque:
    18 N*m{184 kgf*cm, 13 ft.*lbf}


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Tighten the 2 bolts.

    Torque:
    21 N*m{214 kgf*cm, 16 ft.*lbf}


2. INSTALL ABSORBER CONTROL ACTUATOR (for AVS)
  1. Check that the control rod of the rear shock absorber is in the position shown in the illustration.

    NOTICE:
    If the control rod is not in the position shown in the illustration, turn the control rod to adjust the position and install the absorber control actuator.


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the absorber control actuator to the actuator support bracket. Turn the actuator clockwise approximately 40°until a click is felt.

    NOTICE:
    Do not excessively turn the actuator.


3. INSTALL REAR SHOCK ABSORBER CAP


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Connect the connector and install the shock absorber cap.



4. TEMPORARILY TIGHTEN REAR SUSPENSION NO.2 ARM


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Rear Shock Absorber  Installation
  1. Temporarily install the rear suspension No.2 arm with the bolt, nut and washer.

  1. Temporarily install the rear suspension No.2 arm with the bolt and nut.

  1. Temporarily install the rear shock absorber with coil spring with the bolt and nut.

  1. Temporarily install the stabilizer link assembly and the load sensing valve sensor bracket to the rear suspension No.2 arm with the bolt and nut.



5. STABILIZE SUSPENSION


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the front wheel.

    Torque:
    103 N*m{1,050 kgf*cm, 76 ft.*lbf}
  1. Lower the vehicle and bounce it up and down several times to stabilize the front suspension.

  1. Remove the front wheel.

  1. Jack up the front suspension lower arm placing a wooden block in between. Apply a load to the front suspension so that the front suspension lower arm is placed in a horizontal position.



6. FULLY TIGHTEN REAR SUSPENSION NO. 2 ARM


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Rear Shock Absorber  Installation
  1. Fully tighten the bolt on the axle carrier side.

    Torque:
    161 N*m{1,640 kgf*cm, 119 ft.*lbf}
    NOTICE:
    Turn the bolt while holding the nut.
  1. Fully tighten the bolt holding the rear shock absorber with coil spring.

    Torque:
    110 N*m{1,120 kgf*cm, 81 ft.*lbf}
    NOTICE:
    Turn the bolt while holding the nut.
  1. Fully tighten the nut holding the rear stabilizer link assembly.

    Torque:
    27 N*m{275 kgf*cm, 20 ft.*lbf}
  1. Fully tighten the nut on the rear suspension member side.

    Torque:
    140 N*m{1,430 kgf*cm, 103 ft.*lbf}


7. INSTALL REAR SUSPENSION MEMBER BRACE


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the rear suspension member brace with the 2 bolts.

    Torque:
    50 N*m{510 kgf*cm, 37 ft.*lbf}


8. INSTALL DIFFERENTIAL NO.2 SUPPORT PROTECTOR


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the differential No.2 support protector with the 2 nuts.



9. INSTALL REAR TIRE
Torque:
103 N*m{1,050 kgf*cm, 76 ft.*lbf}


10. INSTALL LUGGAGE COMPARTMENT TRIM COVER INNER


11. INSTALL REAR FLOOR FINISH PLATE


12. INSTALL TOOL BOX


13. INSTALL TOOL BOX BOARD


14. INSTALL LUGGAGE COMPARTMENT TRIM SIDE COVER LH


15. INSTALL LUGGAGE COMPARTMENT TRIM SIDE COVER RH


16. INSTALL LUGGAGE COMPARTMENT FLOOR MAT


17. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL


18. INSPECT ADAPTIVE VARIABLE SUSPENSION SYSTEM
(Click here)


19. PERFORM INITIALIZATION


20. INSPECT AND ADJUST REAR WHEEL ALIGNMENT
(Click here)