Medium and Heavy Trucks
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Hi my name is***** will be glad to help. What is your engine make and model and any fault codes you have logged in the ECM?
thanks for the update. So fan operation is normal with the AC off? So it is cycling on anytime the compressor clutch cuts on for the AC? If so check for low system charge not allowing the compressor clutch to cycle long enough. If okay check the high and low side pressure switches and wiring for problems. Let me know.
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