Air Distribution Housing Installation

HOUSING-AIR DISTRIBUTION

WARNING: The heater core tubes are not serviced separately from the heater core. The heater core tubes should not be repositioned, loosened or removed from the heater core. Failure to follow this warning could result in a coolant leak and possible personal injury or death.

NOTE: LHD model shown in illustrations. RHD model similar.





NOTE: The air distribution housing must be removed from the HVAC housing and disassembled for service of the mode-air and blend-air doors.

1. Position the air distribution housing (1) into the vehicle.
2. Install the air distribution housing onto the rear of the HVAC housing (2) by inserting the tabs on the bottom of the distribution housing into the slots located on the bottom of the HVAC housing and tipping the distribution housing forward until it is properly aligned with the HVAC housing.
3. Connect the floor distribution ducts to the air distribution housing.
4. Install the screws (3) that secure the air distribution housing to the HVAC housing. Tighten the screws to 2.2 Nm (20 in. lbs.).




5. Carefully install the heater core (4) into the driver side of the HVAC air distribution housing (2) and position the heater core tubes (6) to the HVAC housing (9).
6. Install heater core retaining bracket (3) onto the air distribution housing and install the retaining screw (5). Tighten the screw to 2.2 Nm (20 in. lbs.).
7. Install the flange (7) over the heater core tubes and onto the HVAC housing and install the two flange retaining screws (8). Tighten the screws to 2.2 Nm (20 in. lbs.).
8. On LHD models, install the blend door actuator (1) to the driver side of the air distribution housing Blend Door Actuator - Installation.




9. Connect the HVAC wire harness (1) to the mode door actuator (2) and the blend door actuator (3) located on the driver side of the air distribution housing (4).
10. If equipped with dual zone heating-A/C, connect the HVAC wire harness to the blend door actuator (5) located on the passenger side of the air distribution housing.
11. Install the HVAC housing assembly HVAC Housing - Installation
12. Reconnect the negative battery cable.
13. If the heater core is being replaced, flush the cooling system Service and Repair.
14. Refill the engine cooling system Service and Repair.
15. Evacuate the refrigerant system Refrigerant System Evacuate.
16. Charge the refrigerant system Refrigerant System Charge.