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Coolant slowly drips from exhaust manifold bolt.

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Old 06-18-2012, 11:37 AM
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Default Coolant slowly drips from exhaust manifold bolt.

A friend of mine is putting headers on his Camaro and he said a drop of antifreeze came from one of the exhaust manifold bolts. He said maybe an hour to get half a teaspoon full. Mine didn't do this when I had the headers off minne but it didn't have coolant in it. IS this normal or is the head cracked?
Old 06-18-2012, 12:09 PM
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The head could be cracked, but that's not very common. Someone probably previously broke a bolt off in the head and drilled crooked or more likely, too far into the head. Just use some sealant on the bolt and it will be OK.
Old 06-18-2012, 01:44 PM
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Yup, just use a little thread sealer on it
Old 06-21-2012, 11:25 AM
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If he used the stock manifold bolts he screwed it right into the water jacket. The stock bolts are too long for headers. I have seen this before.




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