GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Body and Accessories 🢒 Body Rear End 🢒 Rear Spoiler Replacement

Removal Procedure
  1. Open the rear compartment.

    2. Object Number: 318873 Size: SH
  2. Remove the nuts from the studs on the rear end spoiler.
  3. Remove the rear end spoiler from the rear compartment lid.

Installation Procedure

    Object Number: 318873 Size: SH
  1. Install the rear end spoiler to the rear compartment lid.

    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.

  2. Install the nut to the center stud on the rear end spoiler.

    3. Tighten
    Tighten the rear compartment lid spoiler nut, center stud to 6 N·m (53 lb in).

  3. Install the nut to the stud with the slotted hole on the rear compartment lid.

    4. Tighten
    Tighten the rear compartment lid spoiler nut to 6 N·m (53 lb in).

  4. Install the remainder of the nuts to the studs on the rear end spoiler.

    5. Tighten
    Tighten the rear compartment lid spoiler nuts to 6 N·m (53 lb in).

  5. Close the rear compartment.