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.
2. Drain the engine coolant.
3. Raise the vehicle.




4. Disconnect the heater lines (2,3) from the auxiliary HVAC module at the underside of the vehicle.




5. Disconnect the air conditioning lines (2,3) from the auxiliary HVAC module at the underside of the vehicle.




6. Remove the nuts (2) from the studs (1) that secure the auxiliary HVAC module to the underside of the vehicle.
7. Lower the vehicle.
8. Remove the right rear quarter trim panel.
9. Remove the electronic suspension control module.
10. Disconnect the electrical connectors from the Auxiliary HVAC module.




11. Remove the fastener (5) for the upper auxiliary air duct (1). Carefully slide the duct up, into the headliner, until the bottom edge of the duct is above the air distributor duct.




12. Remove the fasteners (3) retaining the auxiliary HVAC module to the vehicle.
13. Remove the auxiliary HVAC module (4) from the vehicle.

INSTALLATION PROCEDURE




1. Install the auxiliary HVAC module assembly (4) to the vehicle.
2. Install the two bolts (3) inside the vehicle in order to retain the auxiliary HVAC module to the vehicle.




3. Install the upper auxiliary air duct (1) to the air distributor duct. Install the fastener (5).
4. Connect the electrical connectors to the auxiliary HVAC module.
5. Install the electronic suspension control module.
6. Install the right rear quarter trim panel.
7. Raise the vehicle.




8. Install the nuts (2) that secure the auxiliary HVAC module to the vehicle.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the nuts to 9 Nm (80 lb in).




9. Install the air conditioning lines (2,3) and the nut (4) to the auxiliary HVAC module.

Tighten the nut to 16 Nm (12 lb ft).




10. Install the heater lines (2,3) to the auxiliary HVAC module at the underside of vehicle.
11. Lower the vehicle.
12. Fill the engine coolant.
13. Recharge the refrigerant to the system.
14. Leak test the fittings of the component using the J 39400-A.