GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 12952  Size: SH
  1. Remove the air cleaner outlet resonator mounting screws.
  2. Disconnect the air cleaner outlet resonator clamp at the throttle body.
  3. Remove the air cleaner outlet duct from the air cleaner outlet resonator and the air cleaner assembly.
  4. Disconnect the crankcase vent hose from the air cleaner outlet resonator.
  5. Remove the air cleaner outlet resonator.

Installation Procedure


    Object Number: 12952  Size: SH
  1. Install the crankcase vent hose to the air cleaner outlet resonator.
  2. Important: Be sure the air cleaner outlet resonator seals to the throttle body.

  3. Install the air cleaner outlet resonator to the throttle body.
  4. Install the air cleaner outlet resonator mounting screws.
  5. Tighten

    1. Air cleaner outlet resonator mounting screws to 10 N·m (89 lb in)
    2. Air cleaner outlet resonator clamp at the throttle body to 5 N·m (44 lb in)

    Refer to the

    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.

    in the General Information.

  6. Install the air cleaner outlet duct to the air cleaner outlet resonator and the air cleaner assembly.
  7. Tighten the air cleaner outlet duct clamps.
  8. Tighten
    Air cleaner outlet duct clamps to 5 N·m (44 lb in)

    Refer to the

    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.

    in the General Information.