GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 262805  Size: SH
  1. Loosen the 2 intake air duct (shown similar) clamps from the air cleaner assembly and throttle body.
  2. Disconnect the IAT sensor electrical connector.
  3. Remove intake air duct/MAF sensor from air cleaner assembly and throttle body.
  4. Loosen the clamp on the MAF sensor and separate the intake air duct from the MAF sensor.

Installation Procedure

  1. Assemble the intake air duct and MAF sensor.

  2. Object Number: 262805  Size: SH
  3. Install the assembly (shown similar) to the throttle body and air cleaner assembly.
  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. Secure the 3 clamps on the intake air duct/MAF sensor assembly.
  6. Tighten
    Tighten the air cleaner duct clamps to 2 N·m (18 lb in).