GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Remove the engine wire harness bracket bolt.
  3. Disconnect engine wire harness electrical connector and reposition aside.

  4. Object Number: 945438  Size: SH
  5. Remove the HVAC module drain tube (1) from the HVAC module.

Installation Procedure

    Important: Ensure that the HVAC module drain tube is fully seated onto the HVAC module.


    Object Number: 945438  Size: SH
  1. Install the HVAC module drain tube (1) to the HVAC module.
  2. Connect engine wire harness electrical connector.
  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. Install the engine wire harness bracket bolt.
  5. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  6. Install the intake manifold. Refer to Intake Manifold Replacement .