GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 166829  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the center air deflector bolts.
  3. Remove the air deflector from the vehicle.

Installation Procedure


    Object Number: 166829  Size: SH
  1. Position the center air deflector between the side valances.
  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 center air deflector and attaching bolts.
  4. Tighten
    Tighten the air deflector bolts to 7 N·m (62 lb in).

  5. Lower the vehicle.