GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 877698  Size: SH
  1. Disconnect the mass air flow/intake air temperature (MAF/IAT) sensor electrical connector (1).

  2. Object Number: 858229  Size: SH
  3. Loosen the screws holding the air cleaner housing halves together.
  4. Separate the housing halves and remove the air filter element.
  5. Inspect the filter housing for debris and damage.

Installation Procedure


    Object Number: 858229  Size: SH
  1. Install the air filter element into the lower air cleaner housing.
  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 upper housing cover and tighten the screws.
  4. Tighten
    Tighten the screws to 4 N·m (35 lb in).


    Object Number: 877698  Size: SH
  5. Connect the MAF/IAT sensor electrical connector (1).