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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 473 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Auxiliary HVAC Module Removal and Installation >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant from the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging .
  2. Drain the engine coolant. Refer to Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (Vac N Fill) .
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the right rear wheelhouse liner panel. Refer to Rear Wheelhouse Liner Replacement (Traverse)Rear Wheelhouse Liner Replacement (Enclave)Rear Wheelhouse Liner Replacement (Acadia) .
    5. Fig 1: Identifying Heater Lines, Air Conditioning Lines & Components
    GM1681365Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the heater tubes (2, 3) from the auxiliary heater and air conditioning evaporator and blower module (HVAC) at the underside of the vehicle.
  6. Remove the auxiliary air conditioning evaporator tube nut (6) from the auxiliary HVAC module stud (1).
  7. Disconnect the auxiliary air conditioning evaporator tube (4, 5) from the auxiliary HVAC module at the underside of the vehicle.
  8. Remove the nuts from the studs that secure the auxiliary HVAC module to the underside of the vehicle.
  9. Lower the vehicle.
  10. Remove the right rear quarter trim panel. Refer to Quarter Lower Rear Trim Panel Replacement (Traverse with TB5)Quarter Lower Rear Trim Panel Replacement (Traverse with TB4)Quarter Lower Rear Trim Panel Replacement (Enclave with TB5)Quarter Lower Rear Trim Panel Replacement (Enclave with TB4)Quarter Lower Rear Trim Panel Replacement (Acadia with TB5)Quarter Lower Rear Trim Panel Replacement (Acadia with TB4) .
  11. Disconnect the electrical connectors from the auxiliary HVAC module.
    12. Fig 2: Locating Upper Auxiliary Air Distributor Duct
    GM1927379Courtesy of GENERAL MOTORS COMPANY
  12. Remove the upper auxiliary air conditioning air outlet duct (2). Refer to Auxiliary Air Conditioning Air Outlet Duct Replacement .
    13. Fig 3: Locating Lower Auxiliary Air Distributor Duct
    GM1927382Courtesy of GENERAL MOTORS COMPANY
  13. Remove the lower auxiliary heater air outlet duct (2). Refer to Auxiliary Heater Air Outlet Duct Replacement .
    14. Fig 4: View Of Auxiliary HVAC Module &Fasteners
    GM612394Courtesy of GENERAL MOTORS COMPANY
  14. Remove the fasteners (3) retaining the auxiliary HVAC module to the vehicle.
  15. Remove the auxiliary HVAC module (4) from the vehicle.
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