HVAC Module Assembly Replacement - Auxiliary

HVAC MODULE REPLACEMENT - AUXILIARY

TOOLS REQUIRED
J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE




1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging.
2. Raise the vehicle. Refer to Vehicle Lifting.
3. Remove the auxiliary evaporator inlet line nut from the auxiliary HVAC module at the underside of the vehicle.
4. Disconnect the auxiliary evaporator inlet line from the auxiliary evaporator.
5. Remove and discard the O-ring.




6. Remove the auxiliary evaporator outlet line nut from the auxiliary HVAC module at the underside of the vehicle.
7. Disconnect the auxiliary evaporator outlet line from the auxiliary evaporator.
8. Remove and discard the O-ring.
9. Lower the vehicle.




10. Remove the left body side trim panel.
11. Disconnect the electrical connectors from the auxiliary HVAC module.
12. Remove the air duct from the auxiliary HVAC module.
13. Remove the auxiliary HVAC module bolts from the vehicle.
14. Remove the auxiliary HVAC module from the vehicle.

INSTALLATION PROCEDURE




1. Install the auxiliary HVAC module to the vehicle.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the auxiliary HVAC module bolts to the vehicle.

Tighten
Tighten the bolts to 9 N.m (80 lb in).

3. Connect the electrical connectors to the auxiliary HVAC module.
4. Install the air duct to the auxiliary HVAC module.
5. Install the left body side trim panel.




6. Raise the vehicle.
7. Install new O-rings to the auxiliary evaporator inlet and outlet lines.
8. Install the auxiliary evaporator outlet line nut to the auxiliary HVAC module.

Tighten
Tighten the nut to 9 N.m (80 lb in).




9. Install the auxiliary evaporator inlet line nut to the auxiliary HVAC module.

Tighten
Tighten the nut to 9 N.m (80 lb in).

10. Lower the vehicle.
11. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
12. Leak test the fittings of the component using J 39400-A.