GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the condenser. Refer to Condenser Replacement .

  3. Object Number: 651474  Size: SH
  4. Remove the receiver dehydrator upper mounting bolts.
  5. Remove the receiver dehydrator mounting nuts.
  6. Remove the receiver dehydrator.
  7. Discard the sealing washers.

Installation Procedure

  1. If replacing the receiver dehydrator add the specified amount of PAG oil directly to the receiver dehydrator. Refer to Refrigerant System Capacities .
  2. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the A/C line and fittings on the condenser.
  3. Important: Flat washer type seals do not require lubrication.

  4. Install new sealing washers for the receiver dehydrator.

  5. Object Number: 651474  Size: SH
  6. Connect the receiver dehydrator to the condenser.
  7. 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.

  8. Install the receiver dehydrator mounting nuts.
  9. Tighten
    Tighten the nuts to 6 N·m (53 lb in).

  10. Install the receiver dehydrator upper mounting bolts.
  11. Tighten
    Tighten the bolts to 6 N·m (53 lb in).

  12. Install the condenser. Refer to Condenser Replacement .
  13. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  14. Leak test the fittings of the component using J 39400-A .