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HA-46 < ON-VEHICLE REPAIR > HIGH-PRESSURE PIPE HIGH-PRESSURE PIPE Removal and Installation for Front High-pressure A/C Pipe INFOID:0000000005256846 REMOVAL 1. Remove the front right wheel and tire assembly. Refer to . 2. Remove the front right mud guard. HA-37, "HFC-134a (R-134a) Service Procedure" . 5. Remove the front low pressure A/C pipe. Refer to HA-50, "Removal and Installation for Front Low-Pres- . 6. Remove the front high-pressure A/C pipe. Refer to 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. CAUTION: • Replace the O-ring of the front high-pressure A/C pipe with a new one, then apply compressor oil to it for installation. • After charging refrigerant, check for leaks. Removal and Installation for Rear High- and Low-Pressure A/C Pipes INFOID:0000000005256847 REMOVAL 1. Discharge the refrigerant. Refer to HA-37, "HFC-134a (R-134a) Service Procedure" . 2. Remove the luggage side lower finisher RH. Refer to . 3. Remove the rear high- and low-pressure A/C pipes. Refer to 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. CAUTION: • Replace the O-ring of the rear high- and low-pressure A/C pipes with a new one, then apply compres- sor oil to it for installation. • After charging refrigerant, check for leaks. Removal and Installation for Underfloor Rear High- and Low-Pressure A/C and Heater INFOID:0000000005256848 REMOVAL 1. Release the fuel pressure. Refer to (VK56DE). 2. Drain the engine coolant. Refer to CO-12, "Changing Engine Coolant" 3. Disconnect the negative battery terminal. HA-37, "HFC-134a (R-134a) Service Procedure" . 5. Remove the front and rear RH wheels and tires. Refer to . 6. Remove the rear bumper. Refer to EXT-16, "Removal and Installation" 7. Disconnect the fuel filler pipe and vent pipe from the lower fuel filler hose and fuel tank. EXT-23, "Removal and Installation of Front Fender Protector" . 9. Disconnect the chassis harness connector. 2010 Pathfinder |