GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 657507  Size: SH
  1. Remove the rear carpet. Refer to Rear Floor Panel Carpet Replacement .
  2. Disengage the 2 retainers on the electrical harness securing the insulator to the floor.
  3. Remove the insulator.

Installation Procedure


    Object Number: 657507  Size: SH

    Caution: All floor pan insulator material must meet Federal Vehicle Safety Standards for flammability. Failure to do so could result in personal injury and/or vehicle damage.

  1. Install the insulator to the floor pan.
  2. Ensure the insulator is positioned properly and free from unnecessary wrinkles.
  3. Secure the retainers on the electrical harness to the insulator on the floor.
  4. Install the rear carpet. Refer to Rear Floor Panel Carpet Replacement .