Hose/Line HVAC: Service and Repair

Air Conditioning Condenser and Air Conditioning Evaporator Tube Replacement

Special Tools

J 39400-A - Halogen Leak Detector

Removal Procedure





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

2. Remove the left headlamp. Refer to Headlamp Replacement (Equinox) Headlamp Replacement (Equinox)Headlamp Replacement (Terrain) Headlamp Replacement (Terrain).

3. Remove the surge tank. Refer to Radiator Surge Tank Replacement Service and Repair.

4. Remove the washer bottle. Refer to Windshield Washer Solvent Container Replacement (Terrain) Windshield Washer Solvent Container Replacement (Terrain)Windshield Washer Solvent Container Replacement (Equinox) Windshield Washer Solvent Container Replacement (Equinox).

5. Remove the battery. Refer to Battery Replacement Battery Replacement.

6. Remove the battery box bolts from the battery box.

7. Disconnect the negative battery cable nut from the wheelhouse.





8. Remove the nut retaining the liquid line to the strut tower.

9. Disconnect the harness and vent hose retainers from the liquid line.





10. Remove the evaporator outlet hose and liquid line retainer plate nut from the thermal expansion valve (TXV).

11. Remove the evaporator outlet hose and liquid line from the TXV.





12. Remove the liquid line nut from the condenser.

13. Remove the liquid line from the condenser.





14. Remove the bolt retaining the liquid line to the body.





15. Position the battery box inboard to allow for routing of the liquid line.

16. Route the liquid line above the battery box and the ground lug.

17. Lift the rear portion of the liquid line upward and remove the liquid line from the vehicle.

18. Remove and discard the sealing washer from the liquid line. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

19. Install protective caps to the condenser, the evaporator outlet hose, and the TXV to prevent contamination and desiccant saturation.

Installation Procedure





1. Route the liquid line below the battery box and the ground lug.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Connect the negative battery cable nut to the wheelhouse and tighten to 12 Nm (106 lb in).





3. Remove the protective caps from the condenser, the evaporator outlet hose, and the TXV.

4. Install the new sealing washer to the liquid line. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

5. Route the condenser end of the liquid line into position.

6. Install the liquid line to the condenser.

Note:
Use a large pair of pliers to hold the fitting while tightening the nut. Be careful not to twist the line.

7. Install the liquid line nut to the condenser and tighten to 22 Nm (16 lb ft).





8. Install the bolt to retain the liquid line to the body and tighten to 9 Nm (80 lb in).





9. Remove the protective cap from the TXV, the liquid line, and the evaporator outlet hose.

10. Install new seal washers to the liquid line and the evaporator outlet hose. Refer to Air Conditioning System Seal Replacement Air Conditioning System Seal Replacement.

11. Install the liquid line and the evaporator outlet hose to the TXV.

12. Install the liquid line and evaporator outlet hose retainer plate nut to the TXV and tighten to 22 Nm (16 lb ft).





13. Install the four battery box bolts to the inside of the battery box and tighten to 15 Nm (11 lb ft).

14. Install the battery box bolt to the outside of the battery box and tighten to 10 Nm (86 lb in).

15. Install the battery. Refer to Battery Replacement Battery Replacement.





16. Install the liquid line to the strut tower.

17. Install the liquid line nut to the strut tower and tighten to 9 Nm (80 lb in).

18. Connect the harness and vent hose retainers to the liquid line.

19. Install the surge tank. Refer to Radiator Surge Tank Replacement Service and Repair.

20. Install the washer bottle. Refer to Windshield Washer Solvent Container Replacement (Terrain) Windshield Washer Solvent Container Replacement (Terrain)Windshield Washer Solvent Container Replacement (Equinox) Windshield Washer Solvent Container Replacement (Equinox).

21. Install the left headlamp. Refer to Headlamp Replacement (Equinox) Headlamp Replacement (Equinox)Headlamp Replacement (Terrain) Headlamp Replacement (Terrain).

22. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

23. Test the affected A/C joints for leaks using J 39400-A - Halogen Leak Detector.