GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  2. Remove the knee bolster trim panel. Refer to Knee Bolster Replacement
  3. Remove the steering wheel. Refer to Steering Wheel Replacement .

  4. Object Number: 777650  Size: SH
  5. Remove the tilt lever close out plate.

  6. Object Number: 306205  Size: SH
  7. Remove the lower steering column trim cover screws (1) .

  8. Object Number: 328807  Size: SH
  9. Tilt the lower trim cover (2) down and slide the lower trim cover rearward in order to disengage the locking tabs.

  10. Object Number: 306214  Size: SH
  11. Remove the upper trim cover screws.
  12. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .
  13. Remove the upper trim cover (2) from the steering column.

Installation Procedure

  1. Install the upper trim cover to the steering column.
  2. Install the lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the steering column upper trim cover screws.
  5. Tighten
    Tighten the steering column upper trim cover screws to 1.5 N·m (13 lb in).


    Object Number: 328807  Size: SH
  6. Match the tab slots on the lower trim cover with the locking tabs on the upper trim cover.
  7. Tilt the lower trim cover up and slide the lower trim cover until the locking tabs snap into the tab slots.

  8. Object Number: 306205  Size: SH
  9. Install the steering column lower trim cover (2) screws (1).
  10. Tighten
    Tighten the steering column lower trim cover screws to 3.5 N·m (31 lb in).


    Object Number: 777650  Size: SH
  11. Install the tilt lever close out plate.
  12. Install the steering wheel. Refer to Steering Wheel Replacement .
  13. Install the knee bolster trim panel. Refer to Knee Bolster Replacement in Instrument Panel, Gauges, and Console.
  14. Enable the SIR system. Refer to Enabling the SIR System in SIR.