GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Grand Prix 🢒 Engine 🢒 Engine Controls - 3.1L 🢒 Air Cleaner Inlet Duct Replacement

Removal Procedure

    Object Number: 811623 Size: SH
  1. Loosen the air cleaner intake duct clamps (2,6).
  2. Remove the PCV tube (4) from the air cleaner intake duct.
  3. Disconnect the intake air temperature (IAT) sensor electrical connector (3).
  4. Disconnect the mass air flow (MAF) sensor electrical connector (5).
  5. Remove the air cleaner intake duct from the air cleaner assembly (8) and the throttle body.
  6. Loosen the clamp on the MAF sensor and remove the air cleaner intake duct from the MAF sensor (7).
  7. If replacing the air cleaner intake duct, remove the IAT sensor (1) with a twisting and pulling motion.

Installation Procedure

    Object Number: 811623 Size: SH
  1. If removed, install the IAT sensor (1).
  2. Install the air cleaner intake duct to the MAF sensor (7).
  3. Install the air cleaner intake duct to the throttle body and the 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.

  4. Install the air cleaner intake duct clamps (2,6).

    5. Tighten
    Tighten the clamps to 2 N·m (18 lb in).

  5. Connect the MAF sensor electrical connector (5).
  6. Connect the IAT sensor electrical connector (3).
  7. Install the PCV tube (4) to the air cleaner intake duct.