Rear HVAC Housing Installation

INSTALLATION





1. Position the rear HVAC housing (2) into the vehicle.

2. Install the three bolts (1) that secure the rear HVAC housing to the rear interior quarter panel (3). Tighten the bolts to 3 Nm (26 in. lbs.).





3. Connect the body wire harness connector (2) to the rear HVAC wire harness connector (3).

4. Install the rear distribution ducts to the rear HVAC housing (1).

5. Install the right rear quarter panel trim.





6. Raise and support the vehicle.

7. Connect the rear heater hoses (5) to the rear heater core tubes that extend through the rear floor panel (4) behind the right rear wheel housing.

8. Remove the tape or plugs from fittings on the rear suction line (2) and the rear liquid line (3) and the rear evaporator extension line tapping plate ports.

9. Lubricate new rubber O-ring seals with clean refrigerant oil and install them onto the rear suction and liquid line fittings. Use only the specified O-rings as they are made of a special material for the R-134a refrigerant system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.

10. Connect the rear suction and liquid line fittings to the rear evaporator extension line tapping plate.

11. Install the nut (1) that secures the rear suction and liquid lines to the rear evaporator extension line tapping plate. Tighten the nut to 23 Nm (17 ft. lbs.).

12. Lower the vehicle.

13. Reconnect the negative battery cable.

14. If the heater core is being replaced, flush the cooling system. Service and Repair

15. Fill the engine cooling system.

16. Evacuate the refrigerant system. Service and Repair

17. Charge the refrigerant system.