GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Verify that the lever is in the center of the OFF position.
  2. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  3. Disconnect the negative battery cable.
  4. Disable the SIR. Refer to Disabling the SIR System in SIR.
  5. Remove the inflatable restraint steering wheel module. Refer to Steering Wheel Inflator Module Replacement .
  6. Remove the steering wheel. Refer to Steering Wheel Replacement .
  7. Remove the bolts from the lower column cover.
  8. Tilt the cover down and slide the cover back in order to disengage the locking tabs.
  9. Remove the lower column cover.
  10. Remove the bolts from the upper column cover.
  11. Remove the wire harness strap.
  12. Remove the two wire harness straps from the steering column wire harness.
  13. Remove the steering column bulkhead connector from the vehicle wire harness.
  14. Disconnect the gray and black connectors of the switch from the column bulkhead connector.
  15. Remove the bolts from the turn signal.
  16. Remove the bolts from the multifunction switch.
  17. Remove the turn signal and multifunction switch.

Installation Procedure

  1. Install the turn signal and multifunction switch. Use a small flat-blade in order to compress the electrical contact and move the turn signal and multifunction switch into position.
  2. Verify that the electrical contact rests on the canceling cam.
  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 turn signal and multifunction switch screws.
  5. Tighten
    Tighten the turn signal and multifunction switch screws to 7 N·m (62 lb in).

  6. Connect the gray and black connectors of the switch to the column bulkhead connector.
  7. Connect the steering column bulkhead connector to the vehicle wire harness.
  8. Install the two wire harness straps to the steering column wire harness.
  9. Install the wire harness strap.
  10. Install the upper column cover.
  11. Install the bolts to the upper column cover.
  12. Tighten
    Tighten the upper column shroud cover bolts 1.5 N·m (13 lb in).

  13. Install the lower column cover.
  14. Install the screws to the lower column cover.
  15. Tighten
    Tighten the lower column shroud cover screws to 3.5 N·m (31 lb in).

  16. Verify that the lever is in the center or the OFF position.
  17. Install the steering wheel to the column. Refer to Steering Wheel Replacement .
  18. Install the inflatable restraint steering wheel module. Refer to Steering Wheel Inflator Module Replacement .
  19. Enable the SIR. Refer to Enabling the SIR System in SIR.
  20. Connect the negative battery cable.