Compressor Replacement

Operate compressor for 10-15 minutes, if possible, with engine at idle speed, A/C control set for maximum cooling, blower on high speed, and windows open, in order to return refrigerant oil to compressor. When installing new compressor, drain all oil from new and old compressors and add same amount of oil to new compressor as was removed from old compressor.

Fig. 7 Engine alignment after compressor installation.:

Fig. 8 Engine alignment after compressor installation.:

1. Disconnect battery ground cable and discharge A/C system.
2. Raise and support front of vehicle.
3. Loosen A/C idler pulley and remove drive belt from compressor pulley.
4. Disconnect wiring harness connector to compressor clutch.
5. Disconnect refrigerant lines at compressor and plug lines and open fittings.
6. Remove compressor mounting bolts and lower compressor from vehicle.
7. Reverse procedure to install, noting the following:
a. After installing compressor, loosen front and rear buffer rod bolts at engine, Figs. 7 and 8, then retorque bolts to 29-36 ft. lbs. When retorquing buffer rod bolts, do not place hand on engine or stress engine in any other manner.
b. Evacuate and recharge system, then check for leaks.