Steering Gear Installation

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Power Steering. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSTALL POWER STEERING LINK ASSEMBLY

  2. CONNECT TIE ROD END LH

  3. CONNECT TIE ROD END RH

  4. CONNECT STEERING INTERMEDIATE SHAFT ASSEMBLY NO.2

  5. INSTALL FRONT SUSPENSION MEMBER PROTECTOR LOWER

  6. INSTALL ENGINE UNDER COVER NO.2

  7. INSTALL ENGINE UNDER COVER

  8. INSTALL FRONT WHEELS

  9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

  10. PLACE FRONT WHEELS FACING STRAIGHT AHEAD

  11. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT

  12. PERFORM INITIALIZATION

  13. INITIALIZE ROTATION ANGLE SENSOR VALUE AND CALIBRATE TORQUE SENSOR ZERO POINT

  14. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION (for 3UZ-FE)

Steering Gear -- Installation



1. INSTALL POWER STEERING LINK ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the power steering link assembly with the 2 bolts, 2 wasters and 2 nuts.

    Torque:
    118 N*m{1,200 kgf*cm, 87 ft.*lbf}


    Lexus Gs430, Gs300. Uzs190 Grs190.Power Steering.Power Steering System.Steering Gear  Installation
  1. Install the power steering earth wire to the power steering link assembly with bolt (B).

    Torque:
    5.0 N*m{51 kgf*cm, 44 in.*lbf}
  1. Connect wire harness connector (E) to the power steering link assembly and securely lock the connector.

  1. Connect 2 wire harness connectors (C) and (D) to the power steering link assembly.

  1. Install the 2 wire harness clamps to the power steering link assembly.

  1. Connect the earth wire to the bracket with bolt (A).

    Torque:
    8.0 N*m{82 kgf*cm, 71 in.*lbf}


2. CONNECT TIE ROD END LH
  1. Connect the tie rod end LH to the steering knuckle with the nut.

    Torque:
    65 N*m{663 kgf*cm, 50 ft.*lbf}
  1. Install a new clip.

    NOTICE:
    If the holes for the clip are not aligned, tighten the nut up to 60° further.


3. CONNECT TIE ROD END RH
HINT:
Perform the same procedure as for the LH side.


4. CONNECT STEERING INTERMEDIATE SHAFT ASSEMBLY NO.2


    Lexus Gs430, Gs300. Uzs190 Grs190.Power Steering.Power Steering System.Steering Gear  Installation
  1. Align the matchmarks on the intermediate shaft assembly No.2 and the power steering link assembly.



    Lexus Gs430, Gs300. Uzs190 Grs190.Power Steering.Power Steering System.Steering Gear  Installation
  1. Install bolt (A) and tighten the 2 bolts.

    Torque:
    35 N*m{360 kgf*cm, 26 ft.*lbf}


5. INSTALL FRONT SUSPENSION MEMBER PROTECTOR LOWER


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the front suspension member protector lower to the front suspension cross member with the 4 bolts.

    Torque:
    8.0 N*m{82 kgf*cm, 71 in.*lbf}


6. INSTALL ENGINE UNDER COVER NO.2


7. INSTALL ENGINE UNDER COVER


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


9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL


10. PLACE FRONT WHEELS FACING STRAIGHT AHEAD


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


12. PERFORM INITIALIZATION
Some systems need initialization when disconnecting the cable from the negative battery terminal (Click here).


13. INITIALIZE ROTATION ANGLE SENSOR VALUE AND CALIBRATE TORQUE SENSOR ZERO POINT
(Click here)


14. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION (for 3UZ-FE)
(Click here)