Quest V6-3.5L (VQ35DE) (2009)
Expansion Valve: Service and Repair
ATC
Removal And Installation For Front Expansion Valve
REFRIGERANT LINES
Removal and Installation for Front Expansion Valve
REMOVAL
1. Discharge the refrigerant. Refer to See: Service and Repair/HFC.-134A (R-134A) Service Procedure.
2. Remove the front heater and cooling unit assembly. Refer to See: Housing Assembly HVAC/Service and Repair/Removal And Installation.
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
REFRIGERANT LINES
Removal and Installation for Rear Expansion Valve
REMOVAL
1. Discharge the refrigerant. Refer to See: Service and Repair/HFC.-134A (R-134A) Service Procedure.
2. Remove the rear RH interior side trim panel. Refer to See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair.
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.
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