GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 292975  Size: SH
  1. Disconnect the mass air flow (MAF) sensor electrical connector (3).

  2. Object Number: 289623  Size: SH
  3. Loosen the air cleaner intake/MAF assembly clamps from the throttle body side (2) and air cleaner cover side (4).
  4. Remove the air cleaner intake/MAF assembly from the vehicle.
  5. Separate the air cleaner intake duct from the mass air flow (MAF) sensor.

Installation Procedure

  1. Combine the air cleaner intake duct and mass air flow (MAF) sensor.

  2. Object Number: 289623  Size: SH
  3. Install the air cleaner intake/MAF assembly on the throttle body (1) and air cleaner cover.
  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. Inspect for proper alignment of the air cleaner intake/MAF assembly and tighten the hose clamps.
  6. Tighten
    Tighten the air cleaner intake/MAF sensor band clamps to 3.5 N·m (31 lb in).


    Object Number: 292975  Size: SH
  7. Connect the mass air flow (MAF) sensor electrical connector (3).