QX56 AWD V8-5.6L (VK56DE) (2005)
Expansion Valve: Service and Repair
Front Expansion Valve
Removal and Installation for Front Expansion Valve
REMOVAL
1. Discharge the refrigerant. Refer to "HFC-134a (R-134a) Service Procedure".
2. Remove the front heater and cooling unit assembly. Refer to "FRONT HEATER AND COOLING UNIT ASSEMBLY". See: Housing Assembly
HVAC/Service and Repair/Front
3. Remove the cooler grommet.
4. Remove the expansion valve.
INSTALLATION
Installation is in the reverse order of removal.
Expansion valve bolts : 4 Nm (0.41 kg-m, 35 in-lb)
A/C refrigerant pipe to expansion valve bolt : Refer to "Components"
CAUTION:
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Replace the O-rings on the A/C refrigerant pipes with new ones, then apply compressor oil to them when installing them.
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After charging refrigerant, check for leaks.