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Liquid block sealer

(1999 Pontiac Grand Am)
in Chicago, IL on April 24, 2010
I have tried block seal liquid. it will work for an hour or so then the car will over heat again. Is their any block sealer that works? If so whcih one do you recomend?
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Popular Answer
on July 11, 2010
Barrs leak can work well for small leaks but it's only a quick fix. If you are having a heavy leak nothing short of a gasket replacement will correct the problem.
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