GM Service Manual Online
For 1990-2009 cars only

Air Conditioning Accumulator Replacement LD9

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Reposition the cruise control module out of the way , if equipped.

  3. Object Number: 302602  Size: SH
  4. Remove the refrigerant tubes from the accumulator (1).
  5. Discard the O-ring seals.
  6. Remove the accumulator bracket (3).
  7. Remove the accumulator (1) from the vehicle.

Installation Procedure


    Object Number: 302602  Size: SH

    Important: Add the required amount of new refrigerant oil. Refer to Refrigerant System Capacities .

  1. Install the accumulator (1).
  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. Install the accumulator bracket (3) clamp.
  4. Tighten
    Tighten the bolt to 8 N·m (71 lb in).

  5. Install new O-ring seals to refrigerant lines.
  6. Install the refrigerant lines to the accumulator.
  7. Install the accumulator tube to accumulator and compressor tube to accumulator fitting nuts
  8. Tighten
    Tighten nuts to 35 N·m (26 lb ft).

  9. Reposition the cruise control module if equipped.
  10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fittings of the component using the J 39400-A .

Air Conditioning Accumulator Replacement L61

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Reposition the cruise control bracket with module, if equipped.
  3. Remove the 2 nuts holding the bracket for the PCM module. Position the bracket and module out of the way.

  4. Object Number: 302602  Size: SH
  5. Remove the refrigerant tubes from the accumulator (1).
  6. Discard the O-ring seals.
  7. Remove the accumulator bracket (3).
  8. Remove the accumulator (1) from the vehicle.

Installation Procedure


    Object Number: 302602  Size: SH

    Important: Add the required amount of new refrigerant oil. Refer to Refrigerant System Capacities .

  1. Install the accumulator (1).
  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. Install the accumulator bracket (3) clamp.
  4. Tighten
    Tighten the bolt to 8 N·m (71 lb in).

  5. Install new O-ring seals to refrigerant lines.
  6. Install the refrigerant lines to the accumulator.
  7. Install the accumulator tube to accumulator and compressor tube to accumulator fitting nuts.
  8. Tighten
    Tighten nuts to 35 N·m (26 lb ft).

  9. Position the bracket holding the PCM module on to the shock tower.
  10. Install the bracket nuts holding the PCM module on to the shock tower.
  11. Tighten
    Tighten the PCM bracket nuts to 10 N·m (89 lb in).

  12. Reposition the cruise control bracket if equipped.
  13. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  14. Leak test the fittings of the component using the J 39400-A .