GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the throttle body air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls-4.6L.

  2. Object Number: 784411  Size: SH
  3. Remove the oil pressure test plug (1).

Installation Procedure


    Object Number: 784411  Size: SH

    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.

  1. Install the oil pressure test plug (1).
  2. Tighten
    Tighten the oil pressure test plug to 12 N·m (106 lb in).

  3. Install the throttle body air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Control-4.6L.