GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the battery ground negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the instrument panel (IP) trim pad. Refer to Instrument Panel Trim Pad Replacement .
  3. Remove the passenger side SIR inflator module. Refer to Inflatable Restraint Instrument Panel Module Replacement in SIR.

  4. Object Number: 311782  Size: SH
  5. Unclip the fuse block and position aside.
  6. Remove the brake pedal reinforcement nuts.
  7. Remove the air distribution ducts. Refer to Auxiliary Air Distributor Duct Replacement in HVAC-Manual.

  8. Object Number: 486680  Size: SH
  9. Remove the retaining bolts and position the BCM bracket aside.
  10. Release the harness retaining clips and position the IP wiring harness out of the way.

  11. Object Number: 282301  Size: SH
  12. Remove the retaining bolts from the HVAC module center support bracket.
  13. Remove the HVAC module center support bracket.

  14. Object Number: 482597  Size: SH
  15. Remove the retaining bolts from the HVAC module upper support brackets.

  16. Object Number: 482587  Size: SH
  17. Remove the bolts which secure the left cross vehicle beam to the hinge pillar.

  18. Object Number: 482588  Size: SH
  19. Remove the bolts which secure the right cross vehicle beam to the hinge pillar.

  20. Object Number: 482600  Size: SH
  21. Remove the cross vehicle beam from the vehicle.

Installation Procedure


    Object Number: 482600  Size: SH
  1. Install the cross vehicle beam to the vehicle.

  2. Object Number: 482588  Size: SH
  3. Install the bolts which secure the right cross vehicle beam to the hinge pillar.

  4. Object Number: 482587  Size: SH

    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.

  5. Install the bolts which secure the left cross vehicle beam to the hinge pillar.
  6. Tighten
    Tighten both sets of bolts to 20 N·m (15 lb ft).


    Object Number: 482597  Size: SH
  7. Install the retaining bolts to the HVAC module upper support brackets.
  8. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 282301  Size: SH
  9. Install the HVAC module center support bracket.
  10. Install the retaining bolts to the HVAC module center support bracket.
  11. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  12. Position the IP wiring harness and install the harness retaining clips.

  13. Object Number: 486680  Size: SH
  14. Install the BCM bracket and the retaining bolts.
  15. Tighten
    Tighten the BCM bracket bolts to 10 N·m (89 lb in).

  16. Install the air distribution ducts. Refer to Auxiliary Air Distributor Duct Replacement in HVAC- Manual.

  17. Object Number: 311782  Size: SH
  18. Install the fuse block to the holder.

  19. Object Number: 637312  Size: SH
  20. Install the brake pedal reinforcement nuts.
  21. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  22. Install the passenger side SIR inflator module. Refer to Inflatable Restraint Instrument Panel Module Replacement in SIR.
  23. Install the IP trim pad. Refer to Instrument Panel Trim Pad Replacement .