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Home >> Lexus >> 2016 >> GS F >> Repair and Diagnosis >> Steering >> Steering Linkage >> Steering Gear / Linkage - Service Information >> Steering Linkage >> Removal [09/2017 - 05/2018] >> Procedure

Removal [09/2017 - 05/2018]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Refer to PRECAUTION [10/2015 - ]

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [09/2017 - ]

  3. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
  4. SECURE STEERING WHEEL 
    1. Secure the steering wheel with the seat belt in order to prevent rotation.
      GTY666860Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      This operation is useful to prevent damage to the spiral cable.

  5. REMOVE FRONT WHEELS 

    Refer to PROCEDURE - Step 1

  6. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  7. REMOVE REAR ENGINE UNDER COVER LH 

    Refer to PROCEDURE - Step 11

  8. REMOVE REAR ENGINE UNDER COVER RH 

    HINT: 

    Perform the same procedure as for the LH side.

  9. REMOVE FRONT SUSPENSION MEMBER BRACE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 15

  10. SEPARATE FRONT FENDER LINER LH 

    Refer to PROCEDURE - Step 13

  11. SEPARATE FRONT FENDER LINER RH 

    Refer to PROCEDURE - Step 14

  12. REMOVE NO. 1 OIL COOLER BRACKET 

    Refer to PROCEDURE - Step 5

  13. REMOVE OIL COOLER BRACKET 

    Refer to PROCEDURE - Step 6

  14. REMOVE NO. 2 FRAME CROSSMEMBER ASSEMBLY 

    Refer to PROCEDURE - Step 7

  15. REMOVE NO. 1 FRAME CROSSMEMBER ASSEMBLY 

    Refer to PROCEDURE - Step 8

  16. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR 

    Refer to PROCEDURE - Step 16

  17. SEPARATE STEERING SLIDING YOKE WITH SHAFT SUB-ASSEMBLY 
    1. Loosen the bolt (A).
      NOTE:

      Do not remove the bolt (A).

      GTY513573Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt (B).
    3. Slide the steering sliding yoke with shaft sub-assembly and put matchmarks on the steering sliding yoke with shaft sub-assembly and the power steering link assembly.
      GTY516333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark
    4. Separate the steering sliding yoke with shaft sub-assembly from the power steering link assembly.
  18. SEPARATE TIE ROD ASSEMBLY LH 
    1. Remove the clip and nut.
    2. Install 2 spacers (SST spacer B) to the tie rod assembly LH as shown in the illustration.
      GTY502967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Center Nut *b SST (Spacer B)
      *c 1 mm (0.0394 in.) *d Molybdenum grease application area
      *e String *f Place wrench here
      *g Steering Knuckle Spacer - -
      • SST: 09960-20010 
        1. 09961-02060
      NOTE:
      • Make sure that SST is securely positioned on the steering knuckle spacer.
      • Make sure that the clearance between the steering knuckle and spacers (SST spacer B) is 1 mm (0.0394 in.) or more to prevent damage to SST.
    3. Using SST, separate the tie rod assembly LH from the steering knuckle.
      • SST: 09960-20010 
        1. 09961-02010
      NOTE:
      • Apply molybdenum grease to the bolt threads and the tip of SST.
      • Be sure to tighten the string firmly to secure SST to the steering knuckle to prevent SST from falling off.
      • Install SST so that (A) and (B) shown in the illustration are parallel. Otherwise, the ball joint dust cover may be damaged.
      • Be sure to place the wrench on the part shown in the illustration.
      • Do not damage the ball joint dust cover.
      • Do not damage the steering knuckle.
      • Do not damage the front disc brake dust cover.

      If the steering knuckle spacer has come off, replace the steering knuckle with a new one.

  19. SEPARATE TIE ROD ASSEMBLY RH 

    HINT: 

    Perform the same procedure as for the LH side.

  20. REMOVE POWER STEERING LINK ASSEMBLY 
    1. Disconnect the 2 wire harness clamps and 3 connectors, and then disconnect the wire harness from the power steering link assembly.
      GTY497095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Pull up the lock and release the lock lever to disconnect the connector which uses a lock.

    2. Remove the 2 bolts, 2 washers, 2 nuts, and power steering link assembly from the front suspension crossmember sub-assembly.
      GTY517405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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