GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 370919  Size: SH
  1. Remove the screws that retain the right fascia extension (4) to the fascia.
  2. Remove the screws that retain the left fascia extension (4) to the wheelhouse.
  3. Remove the left extension.

  4. Object Number: 655656  Size: SH
  5. Remove the screws (3) that retain the right fascia extension to the bumper fascia.
  6. Remove the screws (2) that retain the right extension (1) to the wheelhouse.
  7. Remove the right extension from the wheelhouse.

Installation Procedure


    Object Number: 655656  Size: SH
  1. Install the right fascia extension.
  2. 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.

    Important: Install the screw at the top hole first in the fascia.

  3. Install the screws (3) in order to retain the extension to the bumper fascia.
  4. Tighten
    Tighten the extension to bumper fascia screws to 2 N·m (18 lb in).

  5. Install the screws (2) in order to retain the fascia extension to the wheelhouse.
  6. Tighten
    Tighten the screws to the wheelhouse to 1.5 N·m (13 lb in).


    Object Number: 370919  Size: SH
  7. Install the left fascia extension (4).
  8. Install the screws (3) in order to retain the left extension (4) to the bumper fascia.
  9. Tighten
    Tighten the left extension to bumper fascia screws to 2 N·m (18 lb in).

  10. Install the screws in order to retain the left extension (2) to the wheelhouse.
  11. Tighten
    Tighten the screws to the wheelhouse to 1.5 N·m (13 lb in).