COOLANT IS LEAKING BY THERMOSTAT

1993 Buick Lesabre

Tiny

Cutestuff59

October, 8, 2011 AT 6:25 AM

Why would a car leak coolant on one occasion and stop leaking until after the overflow, coolant only container refilled to its appropriate level. The car runs fine and there is no warning lights or steam from the engine until after the leak starts. I looked at it and saw coolant dripping on the engine close to the thermostat, but it does not appear that the leak is actualy coming from the thermostat. But maybe somewhere very close.

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2 Answers

Tiny

mhpautos

October, 8, 2011 AT 7:31 AM

Go get a cooling system pressure test done, this will help positively identify the actual leak.

Tiny

Wrenchtech

October, 8, 2011 AT 10:11 AM

You probably have either a bad Intake manifold or manifold gasket but the pressure test, as suggested, is how you find out.

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