Air Conditioning Refrigerant Heat Exchanger Replacement

Air Conditioning Refrigerant Heat Exchanger Replacement

Removal Procedure

1. Remove the front compartment front sight shield. Refer to Front Compartment Front Sight Shield Replacement (Enclave) Front Compartment Front Sight Shield Replacement (Traverse) Front Compartment Front Sight Shield Replacement (Acadia) .

2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement Fuel Injector Sight Shield Replacement.

3. Recover the refrigerant from the air conditioning system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

4. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement Service and Repair.

5. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement Service and Repair.

6. Reposition the power brake booster vacuum hose out of the way. Refer to Power Brake Booster Vacuum Check Valve and Hose Replacement Service and Repair.

7. Remove the underhood electrical center and junction block. Refer to Underhood Electrical Center or Junction Block Replacement Underhood Electrical Center or Junction Block Replacement.




8. Remove the air conditioning compressor hose nut (1) at the air conditioning refrigerant heat exchanger.

9. Remove the air conditioning compressor hose (2) from air conditioning refrigerant heat exchanger.

10. Remove and discard the sealing washer (3).

11. Raise and support the vehicle. Refer to Air Cleaner Assembly Replacement Service and Repair.

12. Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement (Acadia) Front Bumper Fascia Replacement (Enclave) Front Bumper Fascia Replacement (Traverse) .




13. Remove the air conditioning compressor hose nut (1) at the air conditioning condenser.

14. Remove the air conditioning compressor hose (2) from the air conditioning condenser.

15. Remove and discard the sealing washer (3).




16. Remove the air conditioning refrigerant heat exchanger (1) from the air conditioning condenser.

17. Remove and discard the sealing washer (2).

18. Lower the vehicle.




19. Remove the air conditioning refrigerant heat exchanger nuts (1) from the air conditioning refrigerant heat exchanger (3) at the auxiliary air conditioning evaporator tubes.

20. Remove the air conditioning refrigerant heat exchanger from the auxiliary air conditioning evaporator tubes.

21. Remove and discard the sealing washers (2).




22. Remove the air conditioning refrigerant heat exchanger nut (1) from the air conditioning refrigerant heat exchanger (3) at the air conditioning evaporator thermal expansion valve.

23. Remove the air conditioning refrigerant heat exchanger (3) from the air conditioning evaporator thermal expansion valve.

24. Remove and discard the sealing washers (2).




25. Remove the air conditioning refrigerant heat exchanger fasteners (1) from the air conditioning refrigerant heat exchanger (2).




26. Remove the air conditioning refrigerant heat exchanger (1) from to top of the vehicle.

Installation Procedure




1. Install NEW sealing washers to the air conditioning refrigerant heat exchanger (1). Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

2. Install the air conditioning refrigerant heat exchanger (1) to the vehicle.





Caution: Refer to Fastener Caution Fastener Caution.

3. Install the air conditioning refrigerant heat exchanger fasteners (1) to the vehicle and tighten to 9 Nm (80 lb in).




4. Install NEW sealing washers (2) to the air conditioning refrigerant heat exchanger (3). Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

5. Install the air conditioning refrigerant heat exchanger (3) to the air conditioning evaporator thermal expansion valve.

6. Install the air conditioning refrigerant heat exchanger nut (1) to the air conditioning evaporator thermal expansion valve and tighten to 22 Nm (16 lb ft).




7. Install NEW sealing washers (2) to the air conditioning refrigerant heat exchanger. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

8. Install the air conditioning refrigerant heat exchanger (3) to the auxiliary air conditioning evaporator tubes.

9. Install the air conditioning refrigerant heat exchanger nuts (1) to the auxiliary air conditioning evaporator tubes and tighten to 22 Nm (16 lb ft).

10. Raise and support the vehicle. Refer to Air Cleaner Assembly Replacement Service and Repair.




11. Install NEW sealing washers (2) to the air conditioning refrigerant heat exchanger (1). Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

12. Install the air conditioning refrigerant heat exchanger (1) to the air conditioning condenser.




13. Install NEW sealing washers (3) to the air conditioning compressor hose (2). Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

14. Install the air conditioning compressor hose (2) to the air conditioning condenser.

15. Install the air conditioning compressor hose nut (1) to the air conditioning condenser and tighten to 22 Nm (16 lb ft).

16. Install the front bumper fascia. Refer to Front Bumper Fascia Replacement (Acadia) Front Bumper Fascia Replacement (Enclave) Front Bumper Fascia Replacement (Traverse) .

17. Lower the vehicle.




18. Install NEW sealing washers (3) to the air conditioning refrigerant heat exchanger. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

19. Install the air conditioning compressor hose (2) to the air conditioning refrigerant heat exchanger.

20. Install the air conditioning compressor hose nut (1) to air conditioning refrigerant heat exchanger and tighten to 22 Nm (16 lb ft).

21. Install the underhood electrical center and junction block. Refer to Underhood Electrical Center or Junction Block Replacement Underhood Electrical Center or Junction Block Replacement.

22. Reposition the power brake booster vacuum hose to the vehicle. Refer to Power Brake Booster Vacuum Check Valve and Hose Replacement Service and Repair.

23. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement Service and Repair.

24. Install the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement Service and Repair.

25. Evacuate and charge the air conditioning system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

26. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement Fuel Injector Sight Shield Replacement.

27. Install the front compartment front sight shield. Refer to Front Compartment Front Sight Shield Replacement (Enclave) Front Compartment Front Sight Shield Replacement (Traverse) Front Compartment Front Sight Shield Replacement (Acadia) .