GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 384180  Size: SH
  1. Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement in Bumpers in the J Platform Service Manual.
  2. Loosen the fill valve access cover nuts.
  3. Remove the fill valve access cover.

Installation Procedure


    Object Number: 384180  Size: SH
  1. Install the fill valve access cover.
  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.

  3. Adjust the fill valve access cover.
  4. Tighten
    Tighten the fill valve access cover retaining nuts to 12 N·m (108 lb in).

  5. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement in Bumpers in the J Platform Service Manual.