Compressor HVAC: Service and Repair

Fig. 5 Compressor Mounting:

1. Start and operate engine at idle speed, then switch A/C system ON for a few minutes.
2. Disconnect battery ground cable.
3. Disconnect compressor clutch electrical connector.
4. Carefully discharge refrigerant from A/C system.
5. On vehicles equipped with power steering, loosen steering pump adjusting and mounting bolts, then remove power steering pump pulley belt.
6. Remove power steering oil pump.
7. Mark, then disconnect and cap suction and discharge lines from compressor assembly.
8. Loosen compressor adjusting and mounting nuts and bolts.
9. Remove compressor drive belt.
10. Disconnect electrical connector from A/C cooling fan motor, then remove motor mounting frame.
11. Remove compressor mount attaching bolts, then the compressor assembly from vehicle, Fig. 5.
12. Reverse procedure to install.