7B
Cool air won’t come out only intermittently
For M13 Engine Diagnosis
Condition Possible Cause Action
Cool air won’t come out only intermittently
Wiring connection faulty
Repair as necessary.
Expansion valve faulty
Check expansion valve.
Excessive moisture in A/C system
Replace receiver/dryer, and perform evacuation and charging.
Magnetic clutch faulty
Check magnetic clutch.
Excessive charge of refrigerant
Check charge of refrigerant.
Thermal switch faulty
Check thermal switch.