Compressor HVAC: Service and Repair
ON-VEHICLE REPAIRCOMPRESSOR
Exploded View
HA-39 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. Remove cooling fan assembly.
5. Remove drive belt.
6. 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.
7. Disconnect compressor (ECV) connector (A).
8. Disconnect compressor (magnet clutch) connector (B).
9. Remove harness clip (C)
10. Remove mounting nuts (A), and stabilizer (1) a position without the hindrance for work.
11. Remove mounting bolts (A), and then remove harness bracket.
12. Remove mounting bolts (B) from compressor (1), using power tools.
13. Remove compressor downward 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.
- Check tension of the drive belt after installing compressor.
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-63, "Compressor". Specifications
Replace compressor if specified clearance is not obtained.