300 V6-3.5L (2008)
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 See: Air Door/Air Door Actuator /
Motor/Service and Repair/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 See: HVAC Housing - Installation
12. Reconnect the negative battery cable.
13. If the heater core is being replaced, flush the cooling system See: Engine, Cooling and Exhaust/Cooling System/Service and Repair.
14. Refill the engine cooling system See: Engine, Cooling and Exhaust/Cooling System/Service and Repair.
15. Evacuate the refrigerant system See: Service and Repair/Refrigerant System Evacuate.
16. Charge the refrigerant system See: Service and Repair/Refrigerant System Charge.
Air Inlet Housing Removal
HOUSING-AIR INLET
WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation See: Service
Precautions/Warning and See: Service Precautions/Caution. Failure to follow the warnings and cautions could result in possible personal
injury or death.
WARNING: On vehicles equipped with airbags, disable the airbag system before attempting any steering wheel, steering column, or instrument
panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system