Does running AC make engine hotter?
Does running AC make engine hotter? Air conditioning actually creates more engine heat in the engine compartment as there is more strain on the engine to operate the AC compressor. Either the fan operates at a higher speed to combat the extra engine heat generated, or there may be a secondary air conditioning fan that runs to provide extra cooling. Why does my car overheat when the a / C is on? Worn AC Compressor This is one of the major reasons why your AC will overheat. This is especially if the car overheats only when the AC is turned...