GM Service Manual Online
For 1990-2009 cars only

High Mount Stop Lamp Replacement Spoiler Mounted

Removal Procedure


    Object Number: 326518  Size: SH
  1. Remove the screws retaining the high-mounted stoplamp to the rear end spoiler.
  2. Remove the high-mounted stoplamp from the spoiler.
  3. Disconnect the electrical connector from the high-mounted stoplamp assembly.

  4. Object Number: 326519  Size: SH
  5. Remove the screws retaining the bulb socket bar to the stoplamp housing, if replacing any bulbs.
  6. Remove the bulb socket bar from the lamp housing, if replacing any bulbs.
  7. Remove the bulb(s) from the socket(s), if replacing any bulbs.

Installation Procedure


    Object Number: 326519  Size: SH
  1. Install the bulb(s) to the bulb socket(s), if removed.
  2. Install the bulb socket bar to the high-mounted stoplamp housing, if removed.
  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 bulb socket bar to stoplamp housing retaining screws, if removed.
  5. Tighten
    Tighten the high-mounted stoplamp bulb socket bar to high-mounted stoplamp housing retaining screws to 2 N·m (18 lb in).


    Object Number: 326518  Size: SH
  6. Connect the electrical connector to the high-mounted stoplamp assembly.
  7. Carefully install the high-mounted stoplamp to the rear end spoiler.
  8. Install the high-mounted stoplamp to rear end spoiler retaining screws.
  9. Tighten
    Tighten the high-mounted stoplamp to rear end spoiler retaining screws to 2 N·m (18 lb in).