GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 29873 Nozzle Socket

    Notice: In order to remove or install an injection nozzle, use the J 29873 on the 30-mm portion of the nozzle. Failure to use the 30-mm hex portion will result in damage to the injection nozzle.


    Object Number: 60452  Size: SH
  1. Apply a thin coating of GM P/N 14001899, or equivalent, to the threads of the injection nozzle.
  2. Install the injection nozzle with the gasket, using the J 29873 .
  3. Tighten
    Tighten the nozzle to 80 N·m (59 lb ft).

    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.