Compressor HVAC: Service and Repair
REMOVE1. Place the vehicle in a ventilated area away from open flames and heat sources.
2. Stop the engine and secure the hood in an open position. Disconnect the battery negative lead.
3. Discharge the air conditioning system using appropriate Freon recovery equipment.
Compressor Lines:
4. Using goggles to protect the eyes, and wearing gloves, disconnect the suction and discharge unions from the back of the compressor. Cap the flexible end connections and service valves immediately.
5. Disconnect the lead to the compressor magnetic clutch at the connector.
6. Loosen the idler pulley securing bolt and release the driving belt.
7. Remove the two compressor mounting bolts and lift compressor clear.
REFIT
1. If a new compressor is being fitted, drain the oil from the new compressor. Drain and measure the oil from the old compressor. Measure new oil equal to the amount drained from the old compressor. Add 30 ml (1 fluid oz) of new oil to this amount and refill the new compressor.
2. Locate the compressor in position, fit and tighten the mounting bolts.
3. Fit the compressor driving belt and adjust.
4. Connect the lead to the compressor magnetic clutch at the connector.
5. Refit the suction and discharge flexible end connectors to the service valves, lubricating the flares and threads of the unions with compressor oil.
6. Evacuate the air conditioning system, maintaining the vacuum for ten minutes.
7. Charge the air conditioning system.