GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Grand Prix 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Air Conditioning Condenser Replacement

Removal Procedure
  1. Remove the air cleaner and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L or Air Cleaner Assembly Replacement in Engine Controls - 3.8L.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  3. Remove the radiator. Refer to Radiator Replacement in Engine Cooling.

    4. Object Number: 379828 Size: SH
  4. Remove the liquid line nut from the condenser.

    5. Object Number: 379830 Size: SH
  5. Position the liquid line aside from the condenser.

    6. Object Number: 369008 Size: SH
  6. Remove the compressor hose nut (1) from the condenser.

    7. Object Number: 369018 Size: SH
  7. Position the compressor hose aside from the condenser.

    8. Object Number: 282839 Size: SH
  8. Remove the condenser.

Installation Procedure

    Object Number: 282839 Size: SH
  1. Install the condenser.

    2. Important: Lubricate the new O-ring seals with mineral base 525 viscosity refrigerant oil.

  2. Install the new O-ring seals onto the compressor line and the liquid line. Refer to O-Ring Replacement .

    3. Object Number: 379830 Size: SH
  3. Install the compressor hose to the condenser.

    4. Object Number: 379828 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.

  4. Install the compressor hose nut to the condenser.

    5. Tighten
    Tighten the compressor hose nut to 16 N·m (12 lb ft).


    Object Number: 369018 Size: SH
  5. Install the liquid line to the condenser.

    6. Object Number: 369008 Size: SH
  6. Install the liquid line nut (1) to the condenser.

    7. Tighten
    Tighten the liquid line nut to 27 N·m (20 lb ft).

  7. Install the radiator. Refer to Radiator Replacement in Engine Cooling.
  8. Evacuate, charge the A/C system. Refer to Refrigerant Recovery and Recharging .
  9. Leak test the A/C system. Refer to Leak Testing .
  10. Install the air cleaner and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L or Air Cleaner Assembly Replacement in Engine Controls - 3.8L.