Air Conditioning Compressor Replacement

Air Conditioning Compressor Replacement (L77)

Tools Required

J 39400-A Halogen Leak Tester

Removal Procedure

Warning:
Refer to Safety Glasses Warning Safety Glasses Warning.


1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Primary) Battery Negative Cable Disconnection and Connection (Primary)Battery Negative Cable Disconnection and Connection (Auxiliary) Battery Negative Cable Disconnection and Connection (Auxiliary).

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

3. Remove the radiator air deflector. Refer to Cooling Fan and Shroud Replacement Cooling Fan and Shroud Replacement.

4. Remove the air filter assembly. Refer to Air Cleaner Assembly Replacement Service and Repair.

5. Remove the A/C drive belt. Refer to Air Conditioning Compressor Belt Replacement Air Conditioning Compressor Belt Replacement.





6. Disconnect the compressor electrical connector (1).





7. Remove the suction/discharge pipes pad to compressor retaining bolt (1).





8. Disconnect the suction/discharge pipes (1) from the compressor (3).

Note:
The sealing washers (2) are a single use item and must be discarded after use.

9. Remove the sealing washers (2). Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

Discard the sealing washers

Note:
Cover any opening of the A/C system with a suitable cap or tape immediately, to prevent absorption of moisture from the atmosphere.

10. Cap or plug the suction/discharge pipes (1) and the ports on the compressor (3).





11. Remove the compressor to compressor bracket retaining bolts (1).

Note:
Remove the compressor (2) from the compressor mounting bracket (3) by sliding forwards and than tilting upwards out of the engine compartment.

12. Remove the compressor (2) from the compressor bracket (3).

Installation Procedure

1. If you are replacing the compressor, balance the compressor oil. Refer to Air Conditioning Compressor Oil Balancing Procedures.





2. Install the compressor (2) to the compressor mounting bracket (3).

Caution:
Refer to Fastener Caution Fastener Caution.

3. Install the compressor to compressor mounting bracket retaining bolts (1).

Tighten the bolts to 22 Nm (16 lb ft).





4. Remove the plugs or caps from the suction/discharge pipes (1) and the ports on the compressor (3).

Note:
DO NOT coat the NEW sealing washers (2) with oil, they must be fitted dry. The use of mineral oil will render the sealing washers (2) useless, as the sealing washers (2) WILL swell causing refrigerant to leak out.

5. Install two NEW sealing washers (2). Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

6. Connect the suction/discharge pipes (1) to the compressor (3)





7. Install the suction/discharge pipes pad to compressor retaining bolt (1).

Tighten the bolt to 22 Nm (16 lb ft).





8. Connect the compressor electrical connector (1).

9. Install the drive belt, Refer to Air Conditioning Compressor Belt Replacement Air Conditioning Compressor Belt Replacement.

10. Install the radiator air deflector. Refer to Cooling Fan and Shroud Replacement Cooling Fan and Shroud Replacement.

11. Install the air filter assembly. Refer to Air Cleaner Assembly Replacement Service and Repair.

12. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Primary) Battery Negative Cable Disconnection and Connection (Primary)Battery Negative Cable Disconnection and Connection (Auxiliary) Battery Negative Cable Disconnection and Connection (Auxiliary).

Note:
The receiver and dehydrator is a single use only component. A NEW receiver and dehydrator must be installed whenever a closed A/C system is opened or exposed to atmosphere. If the receiver and dehydrator has been replaced following a service/repair and it is deemed necessary to immediately re-open the A/C system it is not necessary to replace the receiver and dehydrator again, providing the A/C system is plugged/capped correctly.

13. Replace the receiver and dehydrator. Refer to Receiver and Dehydrator Replacement Service and Repair.

14. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

15. Leak test the fitting of the repaired or reinstalled component using the J 39400-A.