GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Sierra - 2WD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Instrument Panel Upper Trim Pad Replacement

Removal Procedure
  1. Set the air flow control to the instrument panel (IP) vent position if equipped with air conditioning (A/C).
  2. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  3. Apply the parking brake to prevent the vehicle from moving.
  4. Move the shift lever all the way down (if the transmission is automatic).
  5. Tilt the steering wheel to the full down position.
  6. Remove the IP cluster trim plate bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement .

    7. Object Number: 348724 Size: SH
  7. Remove the end panels. Left is shown, right is similar.
  8. Remove the right side air outlets. Refer to Instrument Panel Air Outlet Replacement in Heating and Ventilation (Non-A/C).

    9. Object Number: 348728 Size: SH
  9. Remove the assist handle by depressing the release tabs accessed through the air outlet duct holes.
  10. Remove the windshield pillar garnish moldings. Refer to Windshield Pillar Garnish Molding Replacement in Interior Trim.
  11. Remove the bolts retaining the pad to IP assembly

    12. Object Number: 350507 Size: SH
  12. Disconnect the electrical connector (1) to the ambient light sensor on the underside of the trim pad.

    13. Object Number: 348717 Size: SH
  13. Remove the trim pad from the assembly.

Installation Procedure

    Object Number: 348717 Size: SH
  1. Install the trim pad to the IP assembly.

    2. Object Number: 350507 Size: SH
  2. Connect the electrical connector (1) to the ambient light sensor on the underside of the trim pad.

    3. Object Number: 348717 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.

  3. Install the trim pad retaining screws.

    4. Tighten
    Tighten the trim pad retaining screws to 2 N·m (18 lb in).

  4. Install the windshield pillar garnish moldings. Refer to Windshield Pillar Garnish Molding Replacement in Interior Trim.

    5. Object Number: 348728 Size: SH
  5. Align the assist handle with the holes in the IP assembly. Push the handle in order to engage the retaining tabs.
  6. Install the right side air outlets. Refer to Instrument Panel Air Outlet Replacement in Heating and Ventilation (Non-A/C).

    7. Object Number: 348724 Size: SH
  7. Install the end panels. Left is shown, right is similar.
  8. Install the IP cluster trim plate bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement .
  9. Tilt the steering wheel to the normal driving position.
  10. Move the shift lever to the park position (if the transmission is automatic).
  11. Disengage the parking brake.
  12. Enable the SIR system. Refer to Enabling the SIR System in SIR.