Dodge Ram Truck 1500-2500-3500. Manual — part 2064
NOTE: Route the wire lead for the evaporator tem-
perature sensor into the opening located on the
upper half of the HVAC housing prior to installing
the lower half of the HVAC housing.
11. Position the two halves of the HVAC housing
together (3).
12. Install the fifteen screws (6) that secure the two
housing halves together. Tighten the screws to 2.2
N·m (20 in. lbs.).
13. Install the foam seal (4) onto the evaporator con-
densate drain tube (5).
14. Connect the linkage rod (1) to the two blend-air
door levers (2) located on the back of the HVAC
housing.
15. Position the front floor distribution duct (2) to the
bottom of the HVAC housing (3).
16. Install the screws (1) that secure the front floor
distribution duct to the HVAC housing. Tighten the
screws to 2.2 N·m (20 in. lbs.).
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17. Carefully install the heater core (3) into the front
of the HVAC housing.
18. Position the heater core tube bracket (2) onto the
HVAC housing.
19. Install the two screws (1) that secures the heater
core bracket to the HVAC housing. Tighten the
screws to 2.2 N·m (20 in. lbs.).
20. If equipped with the dual zone heating-A/C sys-
tem, install the linkage rod (4).
21. Install the foam seal onto the heater core tubes.
22. Install the panel/floor-air doors (1) into the panel/
floor door plate (2).
23. Align the actuator coupler (3) with the panel/floor-
air door pivot shaft and install the coupler into
side of the panel/floor door plate. Be sure to
install the coupler with the coupler arm located
between the two stop tabs on the door plate.
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24. Position the panel/floor door assembly (2) onto
the top of the HVAC housing (3).
NOTE: Install the two door springs onto the retain-
ing screws prior to installation.
25. Install the three screws (2) that secure the door
assembly to the HVAC housing. Tighten the
screws to 2.2 N·m (20 in. lbs.).
26. Position the panel/floor door outlet (2) onto the
top of the HVAC housing (3) and fully engage the
two retaining tabs (3).
27. Install the two screws (1) that secure the panel/
floor door outlet to the HVAC housing. Tighten the
screws to 2.2 N·m (20 in. lbs.).
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28. Install the air inlet housing (3) onto the top of the
HVAC housing (4) (Refer to 24 - HEATING & AIR
CONDITIONING/DISTRIBUTION/HOUSING-
HVAC - AIR INLET HOUSING - INSTALLATION).
29. Install the HVAC wire harness (1) onto the HVAC
housing. Make sure the wires are routed through
all wiring retainers.
30. Connect the HVAC wire harness to evaporator
temperature sensor (2).
31. Position the blower motor resistor (7) and the
blower motor (2) into the bottom of the HVAC
housing (5).
32. Install the screws (4 and 6) that secure the blower
motor resistor and the blower motor to the HVAC
housing. Tighten the screws to 2.2 N·m (20 in.
lbs.).
33. Connect the HVAC wire harness connectors (1
and 3) to blower motor resistor and the blower
motor.
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