Functional Test/Check

SYSTEM INSPECTION
^ If a malfunction in the refrigerant system is suspected, check the following:

CHECKS

1. Outer radiator and condenser cores for plugging. Check between the condenser and radiator.

2. Restrictions or kinks in evaporator core or condenser core, hoses, tubes, etc.

3. Refrigerant leaks.

4. Air ducts for leaks or restrictions. Air restriction may indicate a plugged (or partially plugged) evaporator core.

5. Compressor clutch slippage.

6. Improper drive belt tension.

7. Plugged accumulator, orifice (expansion tube) or plugged suction inlet screen.

8. Moisture in the refrigerant system.

9. For compressor/system diagnostic procedures refer to charts under Insufficient Cooling. Symptom Related Diagnostic Procedures