QX56 V8-5.6L (VK56DE) (2004)
Expansion Valve: Service and Repair
Rear Expansion Valve
Removal and Installation for Rear Expansion Valve
REMOVAL
1. Discharge the refrigerant. Refer to "HFC-134a (R-134a) Service Procedure".
2. Remove the rear RH interior side trim panel.
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 contaminants.
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 Heating and Air Conditioning/Diagrams/Exploded Views.
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.