Traverse FWD V6-3.6L (2009)
Control Module HVAC: Service and Repair
Auxiliary HVAC Module Replacement
Auxiliary HVAC Module Replacement
Tools Required
J 39400-A Halogen Leak Detector
Removal Procedure
1. Recover the refrigerant from the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging (See: Service and
Repair/Procedures/Refrigerant Recovery and Recharging).
2. Drain the engine coolant. Refer to Cooling System Draining and Filling (Static Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service
and Repair)Cooling System Draining and Filling (Vac N Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair).
3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
4. Remove the right rear wheelhouse liner panel. Refer to Rear Wheelhouse Panel Liner Replacement (See: Body and Frame/Fender/Rear
Fender/Rear Fender Liner/Service and Repair).
5. Disconnect the heater lines (2, 3) from the auxiliary HVAC module at the underside of the vehicle.
6. Disconnect the air conditioning lines (4, 5) from the auxiliary HVAC module at the underside of the vehicle.
7. Remove the nuts (6) from the studs (1) that secure the auxiliary HVAC module to the underside of the vehicle.
8. Lower the vehicle.
9. Remove the right rear quarter trim panel. Refer to Quarter Lower Rear Trim Panel Replacement (Traverse with TB5) (See: Body and
Frame/Interior Moulding / Trim/Trim Panel/Service and Repair)Quarter Lower Rear Trim Panel Replacement (Traverse without TB4) (See:
Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair)Quarter Lower Rear Trim Panel Replacement (Acadia/OUTLOOK with
TB5) (See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair)Quarter Lower Rear Trim Panel Replacement
(Acadia/OUTLOOK without TB4) (See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair)Quarter Lower Rear Trim
Panel Replacement (Enclave with TB5) (See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair)Quarter Lower Rear
Trim Panel Replacement (Enclave without TB4) (See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair).
10. Disconnect the electrical connectors from the auxiliary HVAC module.
