Mercury Cougar Problem Report

Mercury Cougar Coolant Loss, Engine Overheating, White Smoke From Exhaust

(17 reports)

White smoke coming from the exhaust could indicate that a head gasket has blown or there is a cracked cylinder head. Our technicians tell us that removal and inspection of the cylinder heads will be required to confirm a crack is present.

water going right though it out the exhaust, put stop leak but it still losing water -
Temp getting hot,and then cooling off.White smoke coming from exhaust.Used block sealer from part's store.Seem's to be working so far. -
White smoke and radiator hose bad -
White smoke and radiator hose bad -
I had hydrocarbons in radiator overflow, plus white smoke coming from tailpipe,it was over heating and loosing coolant.I used blue devil block seal on it two years ago and it took care of it ever since. -
started it up to leave for work it was running rough so i give it a little and it started blowing smoke out of the tail pipe no warning at all the head gaskets was going to give out -
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