Front Lower Ball Joint Installation

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

  1. INSTALL FRONT LOWER BALL JOINT

  2. INSTALL FRONT SUSPENSION LOWER ARM

  3. INSTALL FRONT STABILIZER LINK ASSEMBLY

  4. TEMPORARILY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING

  5. CONNECT TIE ROD ASSEMBLY

  6. CONNECT SPEED SENSOR FRONT

  7. INSTALL HEIGHT CONTROL SENSOR LINK SUB-ASSEMBLY FRONT

  8. STABILIZE SUSPENSION

  9. FULLY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING

  10. FULLY TIGHTEN FRONT SUSPENSION LOWER ARM

  11. INSTALL ENGINE UNDER COVER

  12. INSTALL FRONT WHEEL

  13. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT

Front Lower Ball Joint -- Installation



1. INSTALL FRONT LOWER BALL JOINT
  1. Install the front lower ball joint to the front suspension lower arm with the castle nut.

    Torque:
    162 N*m{1,650 kgf*cm, 120 ft.*lbf}
    NOTICE:
    Ensure that the thread and taper are free of oil, etc.
  1. Install a new clip to the front lower ball joint.

    NOTICE:
    Further tighten the nut up to 60° if the holes for the cotter pin are not aligned.


2. INSTALL FRONT SUSPENSION LOWER ARM


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Lower Ball Joint  Installation
  1. Install the front suspension lower arm and side rail plate with the 4 bolts.

    Torque:
    Bolt 1:
    204 N*m{2,080 kgf*cm, 150 ft.*lbf}
    Bolt 2:
    86 N*m{877 kgf*cm, 63 ft.*lbf}
    Bolt 3:
    50 N*m{510 kgf*cm, 37 ft.*lbf}


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Temporarily tighten the bolt, washer and nut.



    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the front lower ball joint with the 2 bolts.

    Torque:
    120 N*m{1,220 kgf*cm, 89 ft.*lbf}


3. INSTALL FRONT STABILIZER LINK ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Lower Ball Joint  Installation
  1. Install the front stabilizer link assembly LH with the 2 nuts.

    Torque:
    84 N*m{856 kgf*cm, 62 ft.*lbf}
    HINT:
    If the ball joint turns together with the nut, use a hexagon (6 mm) wrench to hold the stud.


4. TEMPORARILY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Lower Ball Joint  Installation
  1. Fully tighten the bolt on the lower side of the front shock absorber while holding the nut.

    Torque:
    157 N*m{1,600 kgf*cm, 116 ft.*lbf}


5. CONNECT TIE ROD ASSEMBLY
  1. Remove the clip and the castle nut.



    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Lower Ball Joint  Installation
  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.


6. CONNECT 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.


7. INSTALL 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.



8. 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.



9. FULLY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING


    Lexus Gs430, Gs300. Uzs190 Grs190.Suspension.Suspension System.Front Lower Ball Joint  Installation
  1. Fully tighten the bolt on the lower side of the front shock absorber while holding the nut.

    Torque:
    157 N*m{1,600 kgf*cm, 116 ft.*lbf}


10. FULLY TIGHTEN FRONT SUSPENSION LOWER ARM


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Fully tighten the bolt on the front of the front suspension lower arm.

    Torque:
    135 N*m{1,380 kgf*cm, 100 ft.*lbf}


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Fully tighten the installation nut of the lower arm No.2 bracket sub-assembly.

    Torque:
    113 N*m{1,150 kgf*cm, 83 ft.*lbf}


11. INSTALL ENGINE UNDER COVER


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


13. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
(Click here)