HVAC Module Assembly Replacement - Auxiliary

HVAC MODULE REPLACEMENT - AUXILIARY

REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Drain the cooling system. Refer to Draining and Filling Cooling System (Body Vin Code 6) Draining and Filling Cooling System (Body Vin Code 3) in Cooling System.
3. Raise and support the vehicle. Refer to Vehicle Lifting.







4. Remove the nuts (3) from rear A/C line block fittings.
5. Remove the A/C line block fittings and discard the O-ring seals.

IMPORTANT: Cap or tape the open A/C refrigerant lines immediately.







6. Remove the nuts from the heater hoses block fittings.
7. Remove the heater hoses block fittings from the HVAC module-auxiliary.
8. Remove the nuts from the HVAC module studs.
9. Lower the vehicle.
10. Remove the right side rear quarter trim.







11. Disconnect the electrical connectors from the HVAC module.
12. Disconnect the rear compartment air outlet ducts (5) from the HVAC module (3).







13. Remove the mounting bolts (5) from the HVAC module.
14. Remove the HVAC module (1).
15. Remove and discard the HVAC module pass through seal.



INSTALLATION PROCEDURE
1. Install new HVAC module pass through seal.
2. Install the HVAC module (1).







3. Install the HVAC module mounting bolts (5).

NOTE: Refer to Fastener Notice in Service Precautions.
Vehicle Damage Warnings

Tighten
Tighten the bolts to .....10 N.m (89 lb in).







4. Install the air outlet ducts (5).
5. Connect the electrical connectors.
6. Install the right side rear quarter trim panel.
7. Raise and support the vehicle.







8. Connect the heater hoses to the heater core.
9. Install the nuts to the HVAC module studs.

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

10. Remove the cap or tape from the A/C lines.
11. Install the new O-ring seals.







12. Install the nuts (3) to the evaporator core studs.

Tighten
Tighten the nuts to .....20 N.m (15 lb ft).

13. Lower the vehicle.
14. Fill the cooling system. Refer to Draining and Filling Cooling System (Body Vin Code 6)Draining and Filling Cooling System (Body Vin Code 3) in Cooling System.
15. Evacuate and charge the system.
16. Leak test the fitting of the component using the J 39400-A.