QX56 AWD V8-5.6L (VK56DE) (2005)
Hose/Line HVAC: Service and Repair
High-Pressure Pipe
Removal and Installation for High-pressure Pipe
REMOVAL
1. Remove the cowl top extension. Refer to "COWL TOP".
2. Disconnect the battery negative cable.
3. Reposition the IPDM E/R aside.
4. Remove the front right wheel and tire assembly. Refer to "Rotation".
5. Position aside the front floor insulator.
6. Discharge the refrigerant. Refer to "HFC-134a (R-134a) Service Procedure".
7. Remove the low pressure pipe. Refer to "Removal and Installation for Low-pressure Pipe".
8. Remove the high-pressure pipe.
CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is in the reverse order of removal. Refer to "Components".
CAUTION:
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Replace the O-ring of the high-pressure pipe with a new one, then apply compressor oil to it when installing it.
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After charging refrigerant, check for leaks.