2007 Lexus ES 350FACTORY OEM SERVICE PROCEDURE

Steering Column Assembly: Installation

  1. INSTALL STEERING INTERMEDIATE SHAFT ASSEMBLY 
    1. Align the matchmarks on the steering intermediate shaft assembly and the steering main shaft.
    2. Install the bolt.

      Torque: 35 N*m (360 kgf*cm, 26 ft.*lbf) 

      Fig 1: Locating Drilling Hole In Tapered-Head Bolts
      G05250845Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL STEERING COLUMN ASSEMBLY 
    1. Install the steering column assembly with the bolt and 2 nuts.

      Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf) 

    2. Connect the connectors and wire harness clamps to the steering column assembly.
      Fig 2: Locating Steering Column Assembly Bolt And Nut
      G05250844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the clamp to the steering column hole shield.
      Fig 3: Identifying Steering Column Hole Shield Clamp
      G04978614Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. CONNECT STEERING INTERMEDIATE SHAFT ASSEMBLY 
    1. Align the matchmarks on the steering intermediate shaft assembly and the power steering link assembly.
      Fig 4: Locating Matchmarks On Steering Intermediate Shaft Assembly And Power Steering Link Assembly
      G04978616Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the bolt.

      Torque: 35 N*m (360 kgf*cm, 26 ft.*lbf) 

  4. INSTALL FRONT WHEEL LH 

    Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) 

    Fig 5: Locating Steering Intermediate Shaft Assembly Bolt
    G04978615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL NO. 1 AIR DUCT SUB-ASSEMBLY 
    1. Engage the 2 claws to install the No. 1 air duct sub-assembly.
    Fig 6: Identifying No. 1 Air Duct Claws
    G04978613Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 
  7. INSTALL TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY 
    1. Install the turn signal switch assembly with spiral cable sub-assembly to the steering column assembly with the clamp.
    2. Connect the connectors to the turn signal switch assembly with spiral cable sub-assembly.
      Fig 7: Locating Turn Signal Switch Assembly With Spiral Cable Sub-Assembly Connector
      G05250839Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL TILT AND TELESCOPIC SWITCH 
    1. Engage the claw to install the tilt and telescopic switch.
    2. Connect the connector.
      Fig 8: Disengaging Claw And Pull Out Tilt And Telescopic Switch
      G05250838Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL STEERING COLUMN COVER 
    1. Engage the claw to install the upper steering column cover.
      Fig 9: Identifying Upper Steering Column Cover Claw
      G05250837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Engage the 2 claws to install the lower steering column cover.
      NOTE: Do not damage the tilt and telescopic switch.
    3. Install the 2 screws.

      Torque: 2.0 N*m (20 kgf*cm, 18 in.*lbf) 

  10. ADJUST SPIRAL CABLE  (See INSTALLATION )
    Fig 10: Identifying Lower Steering Column Cover Screws
    G05250836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL STEERING WHEEL ASSEMBLY 
    1. Align the matchmarks on the steering wheel assembly and steering main shaft assembly.
    2. Install the steering wheel assembly set nut.

      Torque: 50 N*m (510 kgf*cm, 37 ft.*lbf) 

    Fig 11: Aligning Matchmarks On Steering Wheel Assembly And Steering Main Shaft Assembly
    G05250860Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. INSPECT STEERING WHEEL CENTER POINT 
  13. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY  (See INSTALLATION )
  14. INSTALL LOWER INSTRUMENT PANEL SUB-ASSEMBLY  (See INSTALLATION )
  15. INSTALL INSTRUMENT PANEL FINISH PANEL END LH  (See INSTALLATION )
  16. INSTALL SIDE INSTRUMENT PANEL LH  (See INSTALLATION )
  17. INSTALL FRONT DOOR OPENING TRIM COVER LH  (See INSTALLATION )
  18. INSTALL FRONT DOOR SCUFF PLATE LH  (See INSTALLATION )
  19. INSTALL STEERING PAD  (See INSTALLATION )
  20. INSTALL NO. 3 LOWER STEERING WHEEL COVER  (See INSTALLATION )
  21. INSTALL NO. 2 LOWER STEERING WHEEL COVER  (See INSTALLATION )
  22. INSPECT STEERING PAD  (See INSTALLATION )
  23. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: Reset the AUTO TILT AWAY function setting to the previous condition by changing the customize parameter (See CUSTOMIZE PARAMETERS  ).
  24. INSPECT SRS WARNING LIGHT 

    HINT:

    (See DIAGNOSIS SYSTEM )

  25. PERFORM INITIALIZATION 
    NOTE: Some systems need initialization after reconnecting the cable to the negative battery terminal (See INITIALIZATION ).
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