Rear HVAC Housing
ASSEMBLY
1. Install the blend-air door (1) and the mode-air door (4) onto the pivots located in the inboard half of the rear heater-A/C housing (3).
2. Install the rear A/C evaporator (2) into the rear heater-A/C housing.
3. Align the pivot shafts of the blend-air door and the mode-air door to the pivot holes located in the outboard half of the rear heater-A/C housing and install the two halves of the rear housing (3) together. Make sure the three plastic retaining tabs (1) are fully engaged.
4. Install the 15 screws (2) and three metal retaining clips (4) that secure the two halves of the rear heater-A/C housing together. Tighten the screws to 2 Nm (17 in. lbs.).
5. Install the rear blend door actuator (4) and the rear mode door actuator (3) to the rear heater-A/C housing Blend Door Actuator - Installation and Mode Door Actuator - Installation.
6. Install the rear blower motor (2) Blower Motor - Installation.
7. Install the rear blower motor resistor or power module (1) (depending on application) Blower Motor Resistor - Installation or Front Blower Motor Power Module - Installation.
8. Install the rear heater-A/C wire harness (5) onto the rear heater-A/C housing and connect it to the rear blower motor resistor or power module (depending on application), rear blower motor, rear blend door actuator and the rear mode door actuator. Make sure the harness connector is properly secured to the side of the rear heater-A/C housing.
9. Install the rear heater core (3) into the end of the rear heater-A/C housing (1). Make sure that the foam seals are properly installed and that the two retaining tabs (2) are fully engaged.
10. Install the screw (5) that secures the heater core tube bracket (4) to the rear heater-A/C housing. Tighten the screw to 2 Nm (17 in. lbs.).
11. Position the flange (5) onto the bottom of the rear heater-A/C housing (3). Make sure that the evaporator drain is clean and unrestricted.
12. Install the four screws (4) and four retaining clips (2) that secure the flange to the bottom of the rear heater-A/C housing. Tighten the screws to 2 Nm (17 in. lbs.).
13. If removed, install the rear A/C expansion valve (6) onto the rear A/C evaporator A/C Expansion Valve - Installation.
14. Install the foam seal (1) onto the flange. If the seal is deformed or damaged, it must be replaced.
15. Install the rear heater-A/C housing Rear HVAC Housing.