GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 478170  Size: SH
  1. Remove the 3 rear floor rear trim plate bolt covers (1).
  2. Remove the 3 bolts (3) which secure the rear floor rear trim plate (2).
  3. Remove the rear floor rear trim plate (2) by gently disengaging the plastic retainers.

Installation Procedure


    Object Number: 478170  Size: SH
  1. Install the rear floor rear trim plate (2) to the vehicle. Ensure that the plastic retainers are fully engaged.
  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. Install the 3 bolts (3) which secure the rear floor rear trim plate (2).
  4. Tighten
    Tighten the rear floor rear trim plate bolts to 10 N·m (89 lb in).

  5. Install the 3 rear floor rear trim plate bolt covers (1).