GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 26549-E Expansion Tube Remover
    • J 38042 Dual O-ring Joint Separator
    • J 39500 Air Conditioning Refrigerant Recovery, Recycling and Recharging (ACR4) System
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .

  2. Object Number: 381431  Size: SH
  3. Use the J 38042 in order to remove the condenser outlet dual O-ring joint.
  4. Remove the A/C line clips.

  5. Object Number: 247323  Size: SH
  6. Use the J 26549-E in order to remove the expansion tube from the line.

Installation Procedure

Tools Required

J 39400 Electronic Halogen Leak Detector


    Object Number: 247323  Size: SH
  1. Install the new expansion tube with the short screen toward the evaporator.
  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 expansion tube dual O-ring joint.
  4. Tighten
    Tighten the dual O-ring joint connections to 24 N·m (18 lb ft).


    Object Number: 381431  Size: SH
  5. Install the A/C line clip and the nut.
  6. Tighten
    Tighten the nut to 12 N·m (9 lb in).

  7. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  8. Using the J 39400 , leak test the A/C system. Refer to Leak Testing .