Housing Assembly HVAC: Service and Repair

Auxiliary Climate Control Housing





Auxiliary Line Floorpan Connections










Auxiliary Climate Control Housing









Removal and Installation

All vehicles

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Drain the engine cooling system.

3. Recover the refrigerant.

4. Remove the LH quarter trim panel.

Vehicles with power liftgate

5. Remove the 2 power liftgate motor assembly bolts and the power liftgate motor assembly nut. Position the power liftgate motor assembly aside.
- To install, tighten to 9 Nm (80 lb-in).






All vehicles

6. Remove the auxiliary evaporator line fitting nuts at the floorpan connection and disconnect the fittings.
- Discard the O-ring seals and gasket seals.

- To install, tighten to 15 Nm (133 lb-in).


7. Release auxiliary heater line clamps and disconnect the auxiliary heater outlet and inlet lines at the auxiliary floorpan bracket.

8. Remove the 2 auxiliary line floorpan bracket nuts.
- To install, tighten to 9 Nm (80 lb-in).


9. Disconnect the auxiliary climate control housing electrical connector.

10. Remove the auxiliary floor duct pin-type retainer and the auxiliary floor duct.

11. Remove the pin-type retainer and slide the lower portion of the auxiliary roof duct upward.

12. Remove the 3 auxiliary climate control housing bolts.
- To install, tighten to 9 Nm (80 lb-in).


13. Remove the auxiliary climate control housing.

14. To install, reverse the removal procedure.
- Install new gasket seals and O-ring seals.

- Add the correct amount of clean PAG oil to the refrigerant system. For additional information, refer to the Refrigerant Oil Adding procedure.


15. Evacuate, leak test and charge the refrigerant system.