GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1373074  Size: SH
  1. Remove the screws that retain the center high-mounted stop lamp (CHMSL) lens to the vehicle.
  2. Remove the CHMSL from the vehicle.

  3. Object Number: 1376162  Size: SH
  4. Twist the lamp sockets (1) counterclockwise to remove.
  5. Remove the bulbs from the sockets.

Installation Procedure


    Object Number: 1376162  Size: SH
  1. Install the CHMSL bulbs (1).

  2. Object Number: 1373074  Size: SH
  3. Install the CHMSL assembly to the vehicle. Ensure that the CHMSL gasket is seated properly.
  4. 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.

  5. Install the screws that retain the center high-mounted stop lamp (CHMSL) lens to the vehicle.
  6. Tighten
    Tighten the screws to 2.5 N·m (22 lb in).