Nissan Versa
Sedan Service Manual
Ventilation, heater & air conditioner » Heater & air conditioning system (HA)
Compressor

Exploded View

Exploded View

1. Compressor

Removal and Installation

CAUTION: Perform oil return operation before each refrigeration system disassembly. However, if a large amount of refrigerant or oil is detected, do not perform oil return operation. Refer to HA "Perform Oil Return Operation".

REMOVAL

Use refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to HA "Recycle Refrigerant".
Remove the high and low-pressure flexible hose bolts and disconnect low-pressure flexible hose and high-pressure flexible hose from the compressor. CAUTION: Cap or wrap the joint of the A/C piping and compressor with suitable material such as vinyl tape to avoid the entry of air.
Remove the engine under cover. Refer to EXT "Removal and Installation".
Remove drive belt. Refer to EM "Removal and Installation".
Disconnect the harness connector from the compressor (magnet clutch).
Remove compressor bolts and the compressor.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Do not reuse O-rings.
Apply A/C oil to the O-rings of the low-pressure flexible hose and high-pressure flexible hose for installation.
Perform oil adjusting procedure before installing new compressor. Refer to HA "Oil Adjusting Procedure for Components Replacement Except Compressor".
After charging the A/C refrigerant, check for leaks. Refer to HA "Leak Test".
Check tension of the drive belt after installing compressor. Refer to EM "Inspection".

Inspection

CHECK DISC TO PULLEY CLEARANCE

Check the clearance (B) between pulley assembly (1) and clutch disc (2) along the entire periphery with a feeler gauge (A).