Dodge 2000 DURANGO Service Manual page 979

DN
REMOVAL AND INSTALLATION (Continued)
INSTALLATION
(1) Insert the front evaporator coil into the bottom
of the heater-A/C housing.
(2) Reassemble and reinstall the heater-A/C hous-
ing in the vehicle. See Heater-A/C Housing in the
Removal and Installation section of this group for the
procedures.
NOTE: If the front evaporator coil is replaced, add
60 milliliters (2 fluid ounces) of refrigerant oil to the
refrigerant system. Use only refrigerant oil of the
type recommended for the compressor in the vehi-
cle.
REAR
The rear evaporator coil is used only on models
with the optional rear overhead A/C unit.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Recover the refrigerant from the refrigerant
system. See Refrigerant Recovery in the Service Pro-
cedures section of this group.
(3) Remove the headliner from the passenger com-
partment of the vehicle. Refer to Group 23 - Body for
the procedures.
(4) From the passenger compartment, remove the
nuts that secure the block fittings at the top of the
B-pillar refrigerant lines to the studs on the rear
overhead A/C unit, and disengage the fittings (Fig.
51). Install plugs in, or tape over all of the opened
refrigerant line fittings.
(5) Disconnect the B-pillar drain hoses from the
wye fittings on each side of the rear overhead A/C
unit (Fig. 52).
(6) Remove the nine screws that secure the lower
housing cover to the rear overhead A/C unit.
(7) Release the lower housing cover snap retainer
near the center of the outlet side (rear) of the rear
overhead A/C unit (Fig. 53).
(8) Feed the rear blower motor switch wire har-
ness and connector through the hole in the right end
of the rear overhead A/C unit lower housing cover
while removing the cover from the unit.
(9) Remove the screw that secures the rear over-
head A/C refrigerant tube and block fitting retaining
strap to the right side of the upper housing cover
(Fig. 54).
(10) Remove the two screws that secure the rear
evaporator coil to the rear overhead A/C unit upper
housing cover (Fig. 55).
(11) Remove the rear evaporator coil from the rear
overhead A/C unit.
HEATING AND AIR CONDITIONING
Fig. 51 Rear Overhead A/C Unit Refrigerant Line
Remove/Install
1 – B-PILLAR SUCTION LINE
2 – B-PILLAR LIQUID LINE
3 – OVERHEAD AIR CONDITIONING UNIT
4 – NUT
5 – STUD
6 – BOLT
7 – NUT
Fig. 52 Rear Overhead A/C Drain Hose Remove/
1 – REAR OVERHEAD A/C UNIT
2 – WYE FITTING
3 – CLIP
4 – GROMMET
5 – DRAIN HOSE
Install
24 - 49