GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Firebird 🢒 Engine 🢒 Engine Controls - 5.7L 🢒 Mass Airflow Sensor Replacement

Removal Procedure

    Object Number: 698165 Size: MH
  1. Disconnect the mass air flow (MAF) sensor electrical connector.
  2. Remove the MAF sensor fasteners.
  3. Remove the MAF sensor from the throttle body.

Installation Procedure

    Object Number: 698165 Size: MH
  1. Carefully position the MAF sensor to the throttle body.

    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.

  2. Install the MAF sensor fasteners.

    3. Tighten
    Tighten the MAF sensor fasteners to 3 N·m (27 lb in).

  3. Connect the MAF sensor electrical connector.