GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the left rear quarter trim panel. Refer to Rear Quarter Lower Trim Panel Replacement in Interior Trim.

  2. Object Number: 791031  Size: SH
  3. Remove the auxiliary evaporator pipe clamp screw.
  4. Remove the auxiliary evaporator drain hose from the evaporator clamp.
  5. Remove the evaporator drain hose from the auxiliary evaporator housing.

Installation Procedure


    Object Number: 791031  Size: SH
  1. Install the evaporator drain hose to the auxiliary evaporator housing.
  2. Install the auxiliary evaporator drain hose to the evaporator clamp.
  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 auxiliary evaporator pipe clamp screw.
  5. Tighten
    Tighten the screw to 1.6 N·m (14 lb in).

  6. Install the left rear quarter trim panel. Refer to Rear Quarter Lower Trim Panel Replacement in Interior Trim.