GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air cleaner and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging

  3. Object Number: 379823  Size: SH
  4. Remove the suction line nut (3) at the accumulator.

  5. Object Number: 379817  Size: SH
  6. Position aside the suction line from the accumulator.

  7. Object Number: 369028  Size: SH
  8. Remove the compressor line nut (2) from the accumulator.

  9. Object Number: 369032  Size: SH
  10. Position aside the compressor line from the accumulator.

  11. Object Number: 379838  Size: SH
  12. Remove the accumulator bracket bolt.

  13. Object Number: 379841  Size: SH
  14. Remove the accumulator.

Installation Procedure


    Object Number: 379841  Size: SH
  1. Install the accumulator.

  2. Object Number: 379838  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 accumulator bracket bolt.
  4. Tighten
    Tighten the accumulator bolt to 4 N·m (36 lb in).

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

  5. Install the new O-ring seals onto the compressor line and the suction line fitting. Refer to O-Ring Replacement .

  6. Object Number: 379817  Size: SH
  7. Install the suction line onto the accumulator.

  8. Object Number: 379823  Size: SH
  9. Install the suction line nut (3) to the accumulator.
  10. Tighten
    Tighten the suction line fitting to 47 N·m (35 lb ft).


    Object Number: 369032  Size: SH
  11. Install the compressor line to the accumulator.

  12. Object Number: 369028  Size: SH
  13. Install the compressor line nut (2).
  14. Tighten
    Tighten the compressor line to 16 N·m (12 lb ft).

  15. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging
  16. Inspect the A/C system for leaks. Refer to Leak Testing
  17. Install the air cleaner and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls.