- If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off.
- Disconnect the negative battery cable.
- Following proper procedures, discharge the air conditioning system.
- Loosen the drive belt.
Remove the two bolts securing the suction and discharge lines to the compressor and position the hose assembly aside.
NOTEPlug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
- Disconnect the compressor clutch electrical connector.
Remove the four compressor mounting bolts and remove the compressor.
NOTEThe compressor mounting bolts are not all the same size, therefore it is important to note the their removal position so each bolt can be reinstalled in its original location.
- Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for R-134a to avoid leakage.
Install the compressor to the engine, making certain that the mounting bolts are installed in their original locations.
NOTEIf you are unsure of the original mounting bolt locations refer to the mounting bolt identification chart.
- Tighten the mounting bolts to 14-18 ft. lbs. (18-24 Nm) in the following order: Bolt A-B-C-D.
- Connect the air conditioner lines to the compressor and tighten the line fittings to 4 ft. lbs.(6 Nm).
- Connect the compressor clutch electrical connector.
- Install the drive belt and following proper procedures, adjust the belt tension.
- Following proper procedures, evacuate and recharge the air conditioner system.
- Connect the negative battery cable.
Start engine and run A/C system. Check for leaks at compressor.