Heater-A/C Housing - Dodge 2000 DURANGO Service Manual

24 - 54 HEATING AND AIR CONDITIONING
REMOVAL AND INSTALLATION (Continued)
(2) Connect the temperature control cable housing
flag retainer to the receptacle on the back of the
heater-A/C control.
(3) Plug in the vacuum harness connector and
install the two stamped nuts to secure the connector
to the back of the heater-A/C control.
(4) Plug the wire harness connector into the back
of the heater-A/C control.
(5) Reinstall the wire harness retainer to the side
of the heater-A/C control.
(6) Position the heater-A/C control in the instru-
ment panel and secure it with four screws. Tighten
the screws to 2.2 N·m (20 in. lbs.).
(7) Reinstall the cluster bezel to the instrument
panel. Refer to Cluster Bezel in the Removal and
Installation section of Group 8E - Instrument Panel
Systems for the procedures.
(8) Connect the battery negative cable.
(9) Adjust the temperature control cable. See Tem-
perature Control Cable in the Adjustments section of
this group for the procedures.

HEATER-A/C HOUSING

The heater-A/C housing assembly must be removed
from the vehicle and disassembled for service access
of the blower motor, blower motor wheel, heater core,
evaporator coil, blend-air door, and each of the vari-
ous mode control doors.
WARNING: REVIEW THE WARNINGS AND CAU-
TIONS IN THE GENERAL INFORMATION SECTION
NEAR THE FRONT OF THIS GROUP BEFORE PER-
FORMING THE FOLLOWING OPERATION.
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL,
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the instrument panel from the vehicle.
Refer to Instrument Panel Assembly in the Removal
and Installation section of Group 8E - Instrument
Panel Systems for the procedures.
(3) Recover the refrigerant from the refrigerant
system. See Refrigerant Recovery in the Service Pro-
cedures section of this group.
GROUP 8M - PASSIVE
STEERING COLUMN,
(4) Remove the front expansion valve from the
evaporator tube mounting flange. See Expansion
Valve in the Removal and Installation section of this
group for the procedures. Install plugs in, or tape
over all of the opened refrigerant line fittings.
(5) Drain the engine cooling system. Refer to
Group 7 - Cooling System for the procedures.
(6) Disconnect the heater hoses from the heater
core tubes. Refer to Group 7 - Cooling System for the
procedures. Install plugs in, or tape over the opened
heater core tubes.
(7) Remove the four nuts from the heater-A/C
housing mounting studs on the engine compartment
side of the dash panel (Fig. 61).
(8) Disengage the front floor panel transmission
tunnel duct from the adapter on the heater-A/C hous-
ing.
(9) Remove the nut that secures the heater-A/C
housing mounting brace to the stud on the passenger
compartment side of the dash panel.
(10) Pull the heater-A/C housing rearward far
enough for the mounting studs and the evaporator
condensate drain tube to clear the dash panel holes.
(11) Remove the heater-A/C housing from the vehi-
cle.
DISASSEMBLY
(1) Place the heater-A/C housing on a work bench,
with the heater-A/C housing cover facing down.
(2) Remove the two screws that secure the heater-
A/C housing cover to the top of the blower motor
housing cover.
(3) If the vehicle is so equipped, unplug the two
vacuum harness connectors from the recirculation air
door actuator.
(4) Unplug the vacuum harness connector from the
panel-defrost door actuator.
(5) Remove the four screws that secure the floor
OR
duct to the bottom of the heater-A/C housing and
remove the duct from the housing.
(6) Remove the two screws that secure the heater-
A/C housing cover to the lower housing near the floor
outlet (Fig. 62).
(7) Turn the heater-A/C housing over on the work
bench, with the heater-A/C housing cover facing up.
(8) Disengage the vacuum harness retainer from
the hole near the left end of the heater-A/C housing
cover.
(9) Remove the vacuum harness from the molded
clips on the heater-A/C housing cover (Fig. 63).
(10) Remove the thirteen screws that secure the
perimeter of the housing cover to the heater-A/C
housing.
(11) Remove the nut that secures the blend-air
door lever to the blend-air door pivot shaft and
remove the lever.
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