MTC Air Conditioner - Installation; Removal and Installation for Front Expansion Valve; Removal; Removal and Installation for Rear Expansion Valve

MTC-158
REFRIGERANT LINES
Revision: January 2005 2004 Quest
4. Remove the rear air mix door motor.
5. Remove the rear duct and blend door assembly. Refer to MTC-
142, "DEFROSTER NOZZLE" .
6. Disassemble the rear heater and cooling unit assembly to
remove the evaporator.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
● Replace the O-rings on the rear A/C pipes with new ones. Apply compressor oil to the O-rings
before installing them.
Removal and Installation for Front Expansion Valve EJS001UE
REMOVAL
1. Discharge the refrigerant. Refer to MTC-144, "HFC-134a (R-134a) Service Procedure" .
2. Remove the front heater and cooling unit assembly. Refer to MTC-123, "
FRONT HEATER AND COOL-
ING UNIT ASSEMBLY" .
3. Remove the cooler grommet.
4. Remove the expansion valve.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
● Replace the O-rings on the A/C refrigerant pipes with new ones, then apply compressor oil to them
when installing them.
● After charging refrigerant, check for leaks
Removal and Installation for Rear Expansion Valve EJS001UF
REMOVAL
1. Discharge the refrigerant. Refer to MTC-144, "HFC-134a (R-134a) Service Procedure" .
2. Remove the rear RH interior side trim panel. Refer to EI-32, "
RIGHT SIDE AND REAR" .
3. Disconnect the A/C refrigerant pipes from the expansion valve.
CAUTION:
Cap or wrap the A/C refrigerant pipe ends with a suitable material such as vinyl tape to avoid the
entry of air and contaminants.
4. Remove the expansion valve.
INSTALLATION
Installation is in the reverse order of removal.
LJIA0021E
WJIA0128E
Expansion valve bolts : 4 N·m (0.4 kg-m, 35 in-lb)
A/C refrigerant pipe to expansion valve bolt : Refer to MTC-146, "
Components"
.