Does the AC clutch engage when defrost is on yet outside temp is above a certain temp? I did do have this on when its warmish outside.
Any other situations where the AC clutch engages when I have not set the HVAC knob to AC?
BTW, not noticing any cool air out the vents. I simply hear the engine RPM drop in response to the AC clutch engaging and once this caught my attention I shined a flashlight at the compressor and watched it closely to confirm my suspicion.
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