GM Service Manual Online
For 1990-2009 cars only

Air Conditioning Compressor Hose Replacement 3.8L

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 282936  Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the A/C compressor hose assembly bolt from the accumulator.
  3. Discard the O-ring.

  4. Object Number: 43679  Size: SH
  5. Remove the negative battery cable nut and cable from the engine block.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  7. Object Number: 569444  Size: SH
  8. Remove the A/C compressor hose assembly bolt from the A/C compressor.
  9. Discard the sealing washers.

  10. Object Number: 365450  Size: SH
  11. Remove the A/C compressor hose assembly nut from the condenser.
  12. Discard the O-ring.
  13. Lower the vehicle.
  14. Remove the A/C compressor hose assembly from the vehicle.

Installation Procedure

Lightly coat the O-rings with a mineral base 525 viscosity refrigerant oil.

  1. Install the A/C compressor hose assembly to the vehicle.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 365450  Size: SH
  4. Install a new O-ring.
  5. 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.

  6. Install the A/C compressor hose nut to the condenser.
  7. Tighten
    Tighten the A/C compressor hose assembly nut to the condenser to 16 N·m (12 lb ft).


    Object Number: 569444  Size: SH
  8. Install the new sealing washers.
  9. Install the A/C compressor hose assembly bolt.
  10. Tighten
    Tighten the A/C compressor hose assembly bolt to 33 N·m (24 lb ft).

  11. Lower the vehicle.

  12. Object Number: 43679  Size: SH
  13. Install the negative battery cable and nut to the engine block.
  14. Tighten
    Tighten the negative battery cable nut to 25 N·m (18 lb ft).


    Object Number: 282936  Size: SH
  15. Install a new O-ring.
  16. Install the A/C compressor hose assembly bolt to the accumulator.
  17. Tighten
    Tighten the A/C compressor hose assembly bolt at the accumulator to 16 N·m (12 lb ft).

  18. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  19. Leak test the fittings of the component using the J 39400-A .

Air Conditioning Compressor Hose Replacement 5.7L

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 282941  Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the A/C compressor hose assembly from the fan shroud clip(s).
  3. Remove the A/C compressor hose assembly from the accumulator.
  4. Discard the O-ring.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  6. Object Number: 365450  Size: SH
  7. Remove the A/C compressor hose assembly nut from the condenser.
  8. Discard the O-ring.
  9. Remove the A/C compressor. Refer to Air Conditioning Compressor Replacement .
  10. Remove the A/C compressor hose assembly from the vehicle.
  11. Discard the sealing washers.

Installation Procedure

Lightly coat the O-rings with the mineral base 525 viscosity refrigerant oil.

  1. Install a new sealing washers to the A/C compressor hose assembly.
  2. Install the compressor hose assembly to the vehicle.
  3. Install the A/C compressor. Refer to Air Conditioning Compressor Replacement .

  4. Object Number: 365450  Size: SH
  5. Install a new O-ring.
  6. 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.

  7. Install the A/C compressor hose assembly nut to the condenser.
  8. Tighten
    Tighten the A/C compressor hose assembly nut to the condenser to 16 N·m (12 lb ft).

  9. Lower the vehicle.

  10. Object Number: 282941  Size: SH
  11. Install a new O-ring.
  12. Install the A/C compressor hose assembly bolt to the accumulator.
  13. Tighten
    Tighten the A/C compressor hose assembly bolt to the accumulator to 16 N·m (12 lb ft).

  14. Install the A/C compressor hose assembly to the clip on the fan shroud.
  15. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  16. Leak test the fittings of the component using the J 39400-A .