GM Service Manual Online
For 1990-2009 cars only

    Object Number: 856325  Size: SH

    Important: If the pressure test plug (40), O-ring (66), level hole plug (36) and O-ring (37) are not damaged, they should be reused.

  1. Inspect the pressure test hole plug (40) and O-ring (66) for damage.
  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.

  3. Install the pressure test plug (40) and O-ring (66).
  4. Tighten
    Tighten the pressure test plug to 11N·m (8 lb ft).

  5. Inspect the level hole plug (36) and O-ring (37) for damage.
  6. Install the transmission fluid level hole plug O-ring (37) and the transmission level hole plug (36).
  7. Tighten
    Tighten the level hole plug to 20N·m (15 lb ft).