GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 638425  Size: SH
  1. Remove the fasteners securing the rear wheelhouse panel to the vehicle.
  2. Remove the push in retainers securing the rear wheelhouse panel to the rear fascia.
  3. Remove the rear wheelhouse panel from the vehicle.

Installation Procedure


    Object Number: 638425  Size: SH
  1. Install the rear wheelhouse panel to the vehicle.
  2. Install the push in retainers in order to secure the rear wheelhouse panel to the rear fascia.
  3. 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.

  4. Install the wheelhouse panel retaining fasteners in order to secure the rear wheelhouse panel to the vehicle.
  5. Tighten
    Tighten the wheelhouse panel fasteners to 2 N·m (18 lb in).