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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1606 (Steering Wheel And Steering Column) >> Repair Instructions >> Steering Column Tilt Head Housing Replacement (Standard) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the tilt head onto the steering shaft.
  2. Install the tilt head housing and steering shaft as an assembly. Refer to Lower Bearing and Steering Column Jacket Replacement (Column Shift Lean Shaft)  or Lower Bearing and Steering Column Jacket Replacement (Floor Shift Lean Shaft)  or Lower Bearing and Steering Column Jacket Replacement (Column Shift Standard)  or Lower Bearing and Steering Column Jacket Replacement (Floor Shift Standard) .
  3. Lubricate the lower brass surface of the turn signal cancel cam assembly with GM P/N 12377900 (Canadian P/N 10953529).

    Lubricate the inner race with GM P/N 12345718 (Canadian P/N 10953516)

  4. Install the following parts onto the steering column shaft assembly:
    1. 4.1. The inner race
    2. 4.2. The upper bearing inner race seat (2)
    3. 4.3. The upper bearing spring (3)
    4. 4.4. The turn signal cancel cam assembly (4)
    5. 4.5. The cam orientation plate (5)
      Fig 1: Install Steering Column Shaft Assembly Components
      G01479800Courtesy of GENERAL MOTORS CORP.
  5. Install the new bearing retainer onto the steering column shaft assembly.
  6. Compress the cam orientation plate using J 23653-SIR  and J 42137. 

    Firmly seat the bearing retainer into the groove on the steering column shaft assembly.

  7. Remove J 23653-SIR  from the steering column shaft assembly.
  8. Install the SIR coil. Refer to SIR COIL ASSEMBLY .
    Fig 2: Compress Cam Orientation Plate Using J23653-SIR & J 42137
    G01479801Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The switch mounting bracket must be pressed firmly against the steering column tilt head.
  9. Slide the turn signal switch housing onto the steering column shaft assembly.
  10. Install the turn signal and multifunction switch assembly only. Refer to Multifunction, Turn Signal Switch Replacement .
  11. Install the turn signal cancel cam and upper bearing thrust. Refer to Turn Signal Cancel Cam and Upper Bearing Thrust Washer .
  12. Enable the SIR system. Refer to ZONE 3 .
    Fig 3: Installing Turn Signal Switch Housing Onto Steering Column Shaft Assembly
    G01479802Courtesy of GENERAL MOTORS CORP.