Compressor HVAC: Service and Repair

COMPRESSOR

Exploded View

HA-38 Exploded View:

Removal and Installation

REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove air cleaner case (LH) and air duct (LH).
3. Remove engine undercover, using power tools.
4. Drain engine coolant from radiator.
5. Remove cooling fan assembly.
6. Remove drive belt.
7. Remove radiator hose (lower).




8. Remove mounting nuts (A) from low-pressure flexible hose (1) and high-pressure flexible hose (2).

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.




9. Disconnect compressor (ECV) connector (A).
10. Disconnect compressor (magnet clutch) connector (B).




11. Remove mounting bolts (A) from compressor (1), using power tools.
12. Remove the compressor from top of the vehicle.

INSTALLATION
Installation is basically the reverse order of removal.

CAUTION:
- Replace O-rings with new ones. Then apply compressor oil to them when installing.
- Check for leakages when recharging refrigerant.

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).

Standard : Refer to HA-57, "Compressor". Specifications

Replace compressor if specified clearance is not obtained.