Rear No. 2 Upper Control Arm Installation

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

  1. TEMPORARILY TIGHTEN REAR NO. 2 UPPER CONTROL ARM

  2. TEMPORARILY TIGHTEN REAR SHOCK ABSORBER WITH COIL SPRING

  3. STABILIZE SUSPENSION

  4. FULLY TIGHTEN REAR NO. 2 UPPER CONTROL ARM

  5. FULLY TIGHTEN REAR SHOCK ABSORBER WITH COIL SPRING

  6. INSTALL DIFFERENTIAL NO.2 SUPPORT PROTECTOR

  7. INSTALL REAR WHEEL

  8. INSPECT AND ADJUST REAR WHEEL ALIGNMENT

Rear No. 2 Upper Control Arm -- Installation



1. TEMPORARILY TIGHTEN REAR NO. 2 UPPER CONTROL ARM


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the stud of the rear No.2 upper control arm, and temporarily tighten a new nut.

  1. Install the rear upper control arm, and temporarily tighten the bolt, nut and washer.

    HINT:
    Push the axle carrier downward.


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Fully tighten the nut of the rear No.2 upper control arm.

    Torque:
    70 N*m{714 kgf*cm, 52 ft.*lbf}


2. TEMPORARILY TIGHTEN REAR SHOCK ABSORBER WITH COIL SPRING


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Temporarily install the rear shock absorber with coil spring with the bolt and nut.

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



3. STABILIZE SUSPENSION


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Jack up the axle carrier, with a wooden block placed between the jack and axle carrier, to apply load to the suspension so that the rear drive shaft assembly becomes level.



4. FULLY TIGHTEN REAR NO. 2 UPPER CONTROL ARM


5. FULLY TIGHTEN REAR SHOCK ABSORBER WITH COIL SPRING


    Lexus Gs430, Gs300. Uzs190 Grs190
  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}


6. INSTALL DIFFERENTIAL NO.2 SUPPORT PROTECTOR


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



7. INSTALL REAR WHEEL


8. INSPECT AND ADJUST REAR WHEEL ALIGNMENT
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