Compressor HVAC: Service and Repair

Removal and Installation of Compressor

REMOVAL




Removal and Installation of Compressor

REMOVAL

1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove the air cleaner and air duct. Refer to "AIR CLEANER AND AIR DUCT" (VQ35DE) or "AIR CLEANER AND AIR DUCT" (VK45DE).
3. Remove front engine undercover, using power tools.
4. Remove cooling fan shroud (lower). Refer to "RADIATOR" (VK45DE).




5. Remove mounting nuts from low-pressure flexible hose and high-pressure flexible hose.

CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

6. Remove high-pressure flexible hose. Refer to "Removal and Installation of High-Pressure Flexible Hose" (VK45DE).
7. Disconnect compressor (magnet clutch and ECV) connectors.
8. Remove the A/C compressor belt. Refer to "DRIVE BELTS" (VQ35DE) or "DRIVE BELTS" (VK45DE).
9. Remove mounting bolt from radiator hose bracket (VK45DE).




10. Remove mounting bolts from compressor, using power tools.
11. Remove compressor from downward of the vehicle.

INSTALLATION
Installation is basically the reverse order of removal.

CAUTION:
- Replace the O-ring of the low-pressure flexible hose, high-pressure pipe and high-pressure flexible hose with a new one, then apply compressor oil to it when installing it.
- When recharging refrigerant, check for leaks.