GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 583986  Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the service fitting from the line.

Installation Procedure

  1. Lubricate the O-ring using 525 refrigerant oil.

  2. Object Number: 583986  Size: SH

    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 service fitting to the line.
  4. Tighten
    Tighten the fitting to 12 N·m (9 lb ft).

  5. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  6. Leak test the component fittings using theJ 39400-A .