GM Service Manual Online
For 1990-2009 cars only

    Object Number: 345331  Size: SH
  1. Install the water crossover.
  2. Slide the upper seals (2) onto the bolts.
  3. 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. Insert the bolts (1) into the water crossover.
  5. Slide the lower seals (2) under the water crossover and onto the bolts.
  6. Tighten
    Tighten the water crossover bolts to 30 N·m (22 lb ft).