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SMU - Revised Compressor Hose Assembly Replacement (RPO LSJ)

Subject:Revised Compressor Hose Assembly Replacement (RPO LSJ)

Models:2005-2006 Chevrolet Cobalt
with 2.0L Engine (VIN P - RPO LSJ)



This bulletin is being issued to revise the Compressor Hose Assembly Replacement (RPO LSJ) procedure in the Heating, Ventilation and Air Conditioning sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Compressor Hose Assembly Replacement

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

  2. Object Number: 1403001  Size: SH
  3. Remove the compressor hose from the evaporator hose.
  4. Remove and discard the seal washer.
  5. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  6. Object Number: 1388246  Size: SH
  7. Remove the mounting cover from the charge air cooler pump and position the pump forward.

  8. Object Number: 872571  Size: SH
  9. Disconnect the electrical connector from the pressure transducer.

  10. Object Number: 865182  Size: SH
  11. Remove the compressor and condenser hose assembly bolt from the compressor.
  12. Remove the compressor and condenser hose assembly from the compressor.
  13. Remove and discard the sealing washers.

  14. Object Number: 872545  Size: SH
  15. Remove the compressor hose from the condenser.
  16. Remove and discard the seal washer.

Installation Procedure

  1. Route the compressor hose to the evaporator hose.

  2. Object Number: 865182  Size: SH
  3. Install new sealing washers on the compressor and condenser hose fittings. Refer to Sealing Washer Replacement.
  4. Install the A/C compressor and condenser hose assembly to the compressor.
  5. Notice: Refer to Fastener Notice in Cautions and Notices.

  6. Install the A/C compressor and condenser hose assembly bolt.
  7. Tighten
    Tighten the bolt to 20 N·m (15 lb ft).


    Object Number: 872545  Size: SH
  8. Install a new seal washer to the compressor hose. Refer to Sealing Washer Replacement.
  9. Install the compressor hose and bolt to the condenser.
  10. Tighten
    Tighten the bolt to 20 N·m (15 lb ft).


    Object Number: 872571  Size: SH
  11. Connect the pressure transducer electrical connector.

  12. Object Number: 1388246  Size: SH
  13. Install the charge cooler pump.
  14. Tighten
    Tighten the bolts to 10 N·m (88 lb in).

  15. Lower the vehicle.

  16. Object Number: 1403001  Size: SH
  17. Install a new seal washer to the compressor hose. Refer to Sealing Washer Replacement.
  18. Install the compressor hose and nut to the evaporator hose.
  19. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  20. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  21. Leak test the fittings using the J 39400-A .