Lexus IS250 · Service Manual STEERING

INSTALLATION

Removal / installation


1. INSTALL POWER STEERING GEAR ASSEMBLY

  1. C115536
    Install the power steering gear assembly with the 2 bolts, 2 washers, and 2 nuts.

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

  1. C115535E01
    Install the power steering earth wire to the power steering gear 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 gear assembly and securely lock the connector.

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

  1. Install the 2 wire harness clamps to the power steering gear 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 SLIDING YOKE SUB-ASSEMBLY

  1. C105528E04
    Align the matchmarks on the steering sliding yoke sub-assembly and the power steering gear assembly.

  1. C115590E02
    Install bolt (A) and tighten the 2 bolts.

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


5. INSTALL FRONT LOWER SUSPENSION MEMBER PROTECTOR

  1. C115537
    Install the front lower suspension member protector to the front suspension cross member with the 4 bolts.

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


6. INSTALL NO. 2 ENGINE UNDER COVER

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

HINT:
Click here


12. PERFORM INITIALIZATION

HINT:
Some systems need initialization when disconnecting the cable from the negative battery terminal (Click here).


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

HINT:
Click here

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