HVAC System - Automatic

REMOVAL PROCEDURE




1. Remove the air cleaner and duct assembly.
2. Recover the refrigerant. Refer to Refrigerant, A/C Recovery and Recharging.
3. Disconnect the A/C lines at the evaporator block fitting.
4. Disconnect the heater hoses at the heater core.
5. Remove the cross vehicle beam.

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

6. Remove the heater core outlet cover screws.
7. Remove the heater core outlet cover.




8. Remove the evaporator drain elbow.




9. Remove the HVAC module to dash nuts.




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

INSTALLATION PROCEDURE




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




2. Install the HVAC module to the vehicle.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the HVAC module to dash nuts.

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




4. Install the evaporator drain elbow.
5. Connect the electrical connectors.
6. Connect the vacuum hoses.
7. Install the cross vehicle beam.
8. Connect the heater hoses at the heater core.
9. Install the A/C lines at the evaporator block fitting.
10. Recharge the A/C system. Refer to Refrigerant, A/C Recovery and Recharging.
11. Leak test the A/C system. Refer to Leak Testing. Testing and Inspection
12. Install the air cleaner and duct assembly.