Dodge Durango (HB). Manual — part 1550
10. Carefully remove the foam seal (1) from the
flange on the HVAC housing (2). If the seal is
deformed or damaged, it must be replaced.
11. Remove the screw (3) that secures the heater
core tube retaining bracket (4) to the top of the
HVAC housing.
12. Remove the heater core tube retaining bracket
from the HVAC housing.
13. Remove the two screws (1) that secure the HVAC
housing retaining bracket (2) to the top of the
HVAC housing (3).
14. Remove the HVAC housing retaining bracket from
the HVAC housing.
15. Remove the two screws (4) that secure the heater
core retaining bracket (5) to the top of the HVAC
housing.
16. Carefully remove the heater core (6) from the
HVAC housing.
HB
DISTRIBUTION - FRONT
24 - 393
17. Disconnect the HVAC wiring harness (1) from the
blower motor (2).
18. Remove the blower motor from the HVAC housing
(3) (Refer to 24 - HEATING & AIR CONDITION-
ING/DISTRIBUTION - FRONT/MOTOR-BLOWER
- REMOVAL).
19. Remove
the
evaporator
temperature
sensor
(Refer to 24 - HEATING & AIR CONDITIONING/
CONTROLS - FRONT/SENSOR-EVAPORATOR
TEMPERATURE - REMOVAL).
20. Disconnect the HVAC wiring harness (1) from the
blower motor resistor or power module (2),
depending on application.
21. If necessary, remove the blower motor resistor or
power module, depending on application (Refer to
24 - HEATING & AIR CONDITIONING/CON-
TROLS - FRONT/RESISTOR-BLOWER MOTOR -
REMOVAL) or (Refer to 24 - HEATING & AIR
CONDITIONING/CONTROLS - FRONT/MODULE-
POWER-BLOWER MOTOR - REMOVAL).
22. Remove the HVAC wiring harness from the HVAC
housing (3).
23. Remove the screws (4) that secure the two halves
of the HVAC housing together.
24. Separate the two halves of the HVAC housing.
25. If necessary, remove the mode-air doors from the
upper half of the HVAC housing.
24 - 394
DISTRIBUTION - FRONT
HB
26. Carefully lift the A/C evaporator (1) and insulator
(3) out of the top of the HVAC housing (2).
27. Remove the blend-air doors and linkage (1),
mode-air door (2), baffle (3) and the duct plate (4)
from the lower half of the HVAC housing (6).
28. If necessary, remove the floor distribution duct (5)
from the HVAC housing (Refer to 24 - HEATING
& AIR CONDITIONING/DISTRIBUTION - FRONT/
DUCTS-FLOOR DISTRIBUTION - REMOVAL).
HB
DISTRIBUTION - FRONT
24 - 395
ASSEMBLY
1. If removed, install the floor distribution duct (5) to
the HVAC housing (6) (Refer to 24 - HEATING &
AIR CONDITIONING/DISTRIBUTION - FRONT/
DUCTS-FLOOR DISTRIBUTION - INSTALLATION).
2. Install the blend-air doors and linkage (1), mode-air
door (2), baffle (3) and the duct plate (4) into the
lower half of the HVAC housing.
3. Install the A/C evaporator (1) into the lower half of
the HVAC housing (2). Make sure that the evapo-
rator drain is clean and unrestricted and that the
evaporator insulator (3) is properly installed.
24 - 396
DISTRIBUTION - FRONT
HB
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