GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39400-A Halogen Leak Detector
    • J 46246 Valve Core Tool

Removal Procedure


    Object Number: 297244  Size: SH
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Using the J 46246 , remove the valve core from the service port.

Installation Procedure


    Object Number: 297244  Size: SH
  1. Install the valve core to the service port.
  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. Using the J 46246 , tighten the valve core.
  4. Tighten
    Tighten the valve core to 11 N·m (97 lb in).

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