Expansion Valve - Dodge 2000 DURANGO Service Manual

DN
REMOVAL AND INSTALLATION (Continued)

EXPANSION VALVE

FRONT
WARNING: REVIEW THE WARNINGS AND CAU-
TIONS IN THE GENERAL INFORMATION SECTION
NEAR THE FRONT OF THIS GROUP BEFORE PER-
FORMING THE FOLLOWING OPERATION.
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 rear liquid line from the engine
compartment. See Liquid Line in the Removal and
Installation section of this group for the procedures.
(4) Remove the electronic cycling clutch switch
from the outboard side of the expansion valve. See
Electronic Cycling Clutch Switch in the Removal and
Installation section of this group for the procedures.
(5) Remove the two screws that secure the expan-
sion valve to the evaporator tube mounting flange
(Fig. 56).
Fig. 56 Expansion Valve Remove/Install
1 – EXPANSION VALVE
2 – EVAPORATOR TUBE MOUNTING FLANGE
3 – SCREW
(6) Remove the expansion valve from the evapora-
tor tube mounting flange. Install plugs in, or tape
over all of the opened refrigerant line fittings.
INSTALLATION
(1) Remove the tape or plugs from the evaporator
tubes and the evaporator tube mounting flange side
HEATING AND AIR CONDITIONING
of the expansion valve. Install the expansion valve to
the evaporator tube mounting flange and secure with
two screws. Tighten the mounting screws to 11.4 N·m
(100 in. lbs.).
(2) Reinstall the electronic cycling clutch switch to
the outboard side of the expansion valve. See Elec-
tronic Cycling Clutch Switch in the Removal and
Installation section of this group for the procedures.
(3) Reinstall the rear liquid line to the engine com-
partment. See Liquid Line in the Removal and
Installation section of this group for the procedures.
(4) Connect the battery negative cable.
(5) Evacuate the refrigerant system. See Refriger-
ant System Evacuate in the Service Procedures sec-
tion of this group.
(6) Charge the refrigerant system. See Refrigerant
System Charge in the Service Procedures section of
this group.
REAR
WARNING: REVIEW THE WARNINGS AND CAU-
TIONS IN THE GENERAL INFORMATION SECTION
NEAR THE FRONT OF THIS GROUP BEFORE PER-
FORMING THE FOLLOWING OPERATION.
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 engine air filter housing. Refer to
Group 14 - Fuel System for the procedures.
(4) Remove the underbody line. See Underbody
Refrigerant Line in the Removal and Installation sec-
tion of this group for the procedures. Remove the line
from the vehicle and install plugs in, or tape over, all
of the open refrigerant fittings.
(5) Disassemble the bolt (M6) from the forward
(longer) section of the underbody lines to the valve.
Install plugs in, or tape over the open refrigerant fit-
tings.
(6) Disassemble the two bolts attaching the expan-
sion valve to the rearward (shorter) section of the
underbody lines. Install plugs in, or tape over the
open refrigerant fittings.
INSTALLATION
(1) Remove the tape or plugs from expansion valve
and the rearward (shorter) section of the underbody
lines. Align the expansion valve ports with the block
fitting on the rearward lines and assemble with the
two bolts.
(2) Remove the tape or plugs from the forward
(longer) section of the underbody lines. Align the
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