GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 39500-B R-134a Refrigerant Recovery, Recycling and Recharging (ACR4) System

  1. Use J 39500-B in order to recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the discharge tube from the following components:
  3. • The condenser
    • The switch connection on the discharge tube
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the right front tire and wheel assembly. Refer to Wheel Removal in Tires and Wheels.
  6. Remove the right side splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
  7. Partially remove the splash shield from the fascia.
  8. Disconnect the accumulator-to-compressor suction hose at the accumulator.
  9. Disconnect the hose fitting at the condensor

  10. Object Number: 292747  Size: SH
  11. Remove the block fitting at the rear head of the compressor (2).
  12. Important: Remove and discard all of the following components:

       • Used O-ring seals
       • Used sealing washers (3)

  13. Remove the compressor hose assembly (1).

Installation Procedure


    Object Number: 292747  Size: SH
  1. Install the compressor/condenser hose assembly (1).
  2. Connect the hose fitting at the condensor
  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 block fitting at the rear head of the compressor (2).
  5. Tighten
    Tighten the bolt to 33 N·m (24 lb ft).

  6. Connect the accumulator-to-compressor suction hose at the accumulator.
  7. Tighten
    Tighten the nut to 24 N·m (18 lb ft).

  8. Install the splash shield to the fascia.
  9. Install the right side splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
  10. Install the right front tire and wheel assembly. Refer to Wheel Installation in Tires and Wheels.
  11. Lower the vehicle.
  12. Install the discharge tube to the following components:
  13. • The condenser
    • The switch connection on the discharge tube

    Tighten
    Tighten the nut to 25 N·m (18 lb ft).

  14. Use J 39500-B in order to evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  15. Inspect the system operation. Refer to HVAC System Check .
  16. Perform the leak test. Refer to Compressor Leak Testing .