Dodge Ram Truck 1500-2500-3500. Manual — part 2063

29. Remove the defroster-air doors (1) from the lower

half of the HVAC housing (2) by carefully release
the retaining tabs of actuator coupler (3) located
on the inside surface of the housing and pull the
actuator coupler out of the pivot shaft of the
defroster-air doors.

NOTE: If the seals on the air doors is deformed or
damaged, the air doors must be replaced.

30. Remove the defroster-air doors from the HVAC

housing.

31. Remove the insulator (1) from the A/C evaporator

(5).

32. Remove the probe of the evaporator temperature

sensor (2) from the fins of the A/C evaporator.

NOTE: If the foam seal for the A/C evaporator
tubes is deformed or damaged, the seal must be
replaced.

33. Remove the foam seal (3) from the tubes of the

A/C evaporator.

NOTE: If the foam seal around the A/C evaporator
is

deformed

or

damaged,

the

seal

must

be

replaced.

34. Carefully lift the A/C evaporator out of the upper

half of the HVAC housing (4).

AIR INLET HOUSING

NOTE: The air inlet housing must be removed from HVAC housing and disassembled for service of the
recirculation-air door.

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1. Remove the air inlet housing (1) from the HVAC

housing and place it on a workbench (Refer to 24 -
HEATING & AIR CONDITIONING/DISTRIBUTION/
HOUSING-HVAC

-

AIR

INLET

HOUSING

-

REMOVAL)

2. Remove the two foam insulators (2) from the air

inlet housing.

3. To remove the recirculation-air door (1) from the air

inlet housing (2), first carefully release the retaining
tabs of actuator coupler (3) located on the inside
surface of the air inlet housing and pull the actuator
coupler out of the pivot shaft of the recirculation-air
door.

NOTE: If the seals on the air door is deformed or
damaged, the air door must be replaced.

4. Remove the recirculation-air door from the air inlet

housing.

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DISTRIBUTION

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ASSEMBLY

HVAC HOUSING

1. Carefully install the A/C evaporator (2) into the

upper half of the HVAC housing (4).

2. Install the foam seal (3) onto the tubes of the A/C

evaporator.

3. Install the probe of the evaporator temperature

sensor (2) between the fins of the A/C evaporator.

4. Install the insulator (1) onto the bottom of the A/C

evaporator.

5. Install the defroster-air doors (1) into the lower half

of the HVAC housing (2).

6. Align the actuator coupler (3) with the defroster-air

door pivot shaft and install the coupler into side of
the HVAC housing. Be sure to install the coupler
with the coupler arm located between the two stop
tabs on the HVAC housing.

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7. Install the blend-air doors (1) into each of the two

blend door plates (2).

8. Align the actuator coupler (3) with each blend-air

door pivot shaft and install the coupler into side of
each blend door plate. Be sure to install each cou-
pler with the coupler arm located between the two
stop tabs on each blend door plate.

9. Position the lower blend door assembly (2) into the

lower half of the HVAC housing (3) and fully
engage the three retaining tabs (1).

10. Position the upper blend door assembly into the

upper half of the HVAC housing and fully engage
the three retaining tabs.

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DISTRIBUTION

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