Coming back up out of the thermostat? Is the housing broken or missing? IS a bypass or temperature sensor missing?
Overheating and returning to cool. Does this happen with the engine still running, or do you have to shut the engine off?
Try removing the thermostat and flushing the cooling system. Then replace the thermostat and gasket, being sure to completely clean both thermostat housing mating surfaces.
The AC uses horsepower, so it can cause a slight hesitation or loss of acceleration.
Thursday, July 21st, 2011 AT 7:54 PM