GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 874778  Size: SH
  1. Remove the retainer strap from the backside of the inner panel extension (1).
  2. Remove the retainers from the inner panel extension front.
  3. Remove the retainers from the inner panel extension rear.
  4. Remove the rear wheelhouse inner panel extension from the vehicle.

Installation Procedure


    Object Number: 874778  Size: SH
  1. Install the rear wheelhouse inner panel extension to the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the retainers to the inner panel extension rear.
  4. Tighten
    Tighten the retainers to 1.7 N·m (15 lb in).

  5. Install the retainers to the inner panel extension front.
  6. Tighten
    Tighten the retainers to 1.7 N·m (15 lb in).

  7. Install the retainer strap to the backside of the inner panel extension (1).