Compressor HVAC: Service and Repair

NOTE: Whenever a compressor is replaced, it will be necessary to replace the suction accumulator/drier.

Removal

1. Discharge system following recommended service procedures. Observe all safety precautions.

2. Remove the generator.

3. Remove the coolant reservoir.

4. Remove the radiator upper sight shield.

5. Disconnect compressor clutch wires at field coil connector on compressor.

6. Disconnect hose assemblies from condenser and suction line.

7. Remove four bolts.

8. Remove compressor and manifold and tube assembly from vehicle as a unit. Assembly will not clear sub frame and radio support if attempt is made to remove unit from bottom. It must be removed from top.

9. Remove manifold and tube assembly as an on-bench operation.

10. If compressor is to be replaced, remove clutch and field coil assembly.


Installation

1. New service replacement FX-15 and 10P15F compressors contain 207ml (7 oz) of specified refrigerant oil. Before replacement compressor installation drain 120ml (4 fluid oz) of refrigerant oil from compressor. This will maintain total system oil charge within specified limits.

2. Install manifold and tube assembly on A/C compressor (two bolts).

3. Install compressor and manifold and tube assembly on A/C mounting bracket (four bolts).

4. Using new O-rings lubricated with clean refrigerant oil, connect suction line to compressor manifold and tube assembly. Attach discharge line to A/C condenser.

5. Connect clutch wires to field coil connector.

6. Install the generator.

7. Install the coolant reservoir and radiator upper sight shield.

8. Leak test, evacuate and charge system following recommended service procedures. Observe all safety precautions.

9. Check system for proper operation.