GM Service Manual Online
For 1990-2009 cars only

Removal Procedure -- Left Insulator

Tools Required

J 38778 Door Trim Pad and Garnish Clip Remover


    Object Number: 182459  Size: SH
  1. Use the J 38778 in order to remove the push-in retainers from the LH instrument panel (IP) insulator.
  2. Remove the courtesy lamp from the LH IP insulator. Refer to Instrument Panel Courtesy Lamp Bulb Replacement in Lighting Systems.

  3. Object Number: 455211  Size: SH
  4. Pull the LH IP insulator rearward from the stud at the accelerator pedal.

  5. Object Number: 478483  Size: SH
  6. Remove the LH IP insulator from the IP.

Installation Procedure -- Left Insulator


    Object Number: 478483  Size: SH
  1. Install the LH instrument panel (IP) insulator onto the IP.

  2. Object Number: 182459  Size: SH
  3. Install the courtesy lamp to the LH IP insulator. Refer to Instrument Panel Courtesy Lamp Bulb Replacement in Lighting Systems.

  4. Object Number: 455211  Size: SH
  5. Align the IP insulator with the stud at the accelerator pedal.
  6. Install the push in the retainers to the LH IP insulator.
  7. Push up on the LH forward side of the LH IP insulator in order to locate the ledge in the dash mat.

Removal Procedure -- Right Insulator


    Object Number: 478484  Size: SH
  1. Use the J 38778 in order to remove the push-in retainers from the RH instrument panel (IP) insulator.
  2. Remove the RH IP insulator from the IP.

  3. Object Number: 182459  Size: SH
  4. Remove the courtesy lamp to the RH IP insulator. Refer to Instrument Panel Courtesy Lamp Bulb Replacement in Lighting Systems.

Installation Procedure -- Right Insulator


    Object Number: 182459  Size: SH
  1. Install the courtesy lamp to the RH IP insulator. Refer to Instrument Panel Courtesy Lamp Bulb Replacement in Lighting Systems.

  2. Object Number: 478484  Size: SH

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

  3. Install the RH IP insulator onto the IP.
  4. Install the push-in retainers to the RH IP insulator.
  5. Push up and forward on the RH IP in order to locate the ledge in the dash mat.