HVAC System - Automatic

REMOVAL PROCEDURE




1. Remove the air cleaner and duct assembly.
2. Remove the cross vehicle brace if equipped.
3. Recover the refrigerant. Service and Repair
4. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
5. Remove the cross vehicle beam.
6. Disconnect the A/C lines at the evaporator block fitting. Refer to Evaporator Tube Replacement.
7. Disconnect the heater hoses at the heater core.

IMPORTANT: Position the heater core outlet cover downward and rearward in order to disconnect the cover from the rear area floor duct assembly.

8. Remove the heater core outlet cover screws.
9. Remove the heater core outlet cover.




10. Remove the evaporator drain elbow.




11. Remove the HVAC module to dash nuts.




12. Disconnect the vacuum hoses.
13. Disconnect the electrical connectors.
14. Remove the HVAC module.
15. Remove all of the outer HVAC module seals (1,2,3)

INSTALLATION PROCEDURE




1. Install the HVAC module to the vehicle.
2. Install new outer HVAC module seals (1,2,3).

NOTICE: Refer to Fastener Notice in Service Precautions.




3. Install the HVAC module to dash nuts.

Tighten
Tighten the HVAC module nuts to 10 Nm (89 lb in).




4. Install the evaporator drain elbow.




5. Connect the electrical connectors.
6. Connect the vacuum hoses.
7. Install the heater core outlet cover.
8. Install the heater core outlet cover screws.

Tighten
Tighten the heater core outlet cover screws to 1.5 Nm (13 lb in).

9. Install the cross vehicle beam.
10. Connect the heater hoses at the heater core. Refer to Heater Hoses Replacement in Cooling System.
11. Install the A/C lines at the evaporator block fitting.
12. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
13. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
14. Leak test the A/C system. Refer to Leak Testing. Testing and Inspection
15. Install the cross vehicle brace if equipped.
16. Install the air cleaner and duct assembly.