GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Insulator Replacement Left

Tools Required

J 38778 Door Trim Pad Clip Remover

Removal Procedure


    Object Number: 652086  Size: SH
  1. Disconnect data link connector from the instrument panel.

  2. Object Number: 523500  Size: SH
  3. Use the J 38778 in order remove the LH instrument panel insulator retainers from the steering column opening filler panel.

  4. Object Number: 182459  Size: SH
  5. Disconnect the courtesy lamp from the instrument panel insulator by turning 1/4 turn counterclockwise.

  6. Object Number: 455211  Size: SH
  7. Remove the LH instrument panel insulator from the stud at the accelerator pedal.
  8. Remove the LH instrument panel insulator.

Installation Procedure

  1. Position the LH instrument panel insulator to the instrument panel.

  2. Object Number: 182459  Size: SH
  3. Install the courtesy lamp to the instrument panel insulator then rotate 1/4 turn clockwise to secure.

  4. Object Number: 455211  Size: SH
  5. Install the LH instrument panel insulator to the stud at the accelerator pedal.

  6. Object Number: 523500  Size: SH
  7. Install the LH instrument panel insulator retainers to the steering column opening filler panel.

  8. Object Number: 652086  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.

  9. Connect data link connector to the instrument panel.
  10. Tighten
    Tighten the data link connector bolts to 2 N·m (18 lb in).

Instrument Panel Insulator Replacement Right

Tools Required

J 38778 Door Trim Clip Remover

Removal Procedure


    Object Number: 478484  Size: SH
  1. Use the J 38778 in order to remove the RH instrument panel insulator retainers.
  2. Adjust the carpeting for access.

  3. Object Number: 182459  Size: SH
  4. Disconnect the courtesy lamp from the instrument panel insulator by turning 1/4 turn counterclockwise.
  5. Remove the RH instrument panel insulator.

Installation Procedure

  1. Position the RH instrument panel insulator to the floorpan beneath the instrument panel.

  2. Object Number: 182459  Size: SH
  3. Install the courtesy lamp to the instrument panel insulator then rotate 1/4 turn clockwise to secure.

  4. Object Number: 478484  Size: SH

    Important: Make sure that the RH instrument panel insulator does not block the floor heater outlet.

  5. Install the RH instrument panel insulator retainers.
  6. Return the carpet to the original position.