coolant coming out of header bolt holes

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02-11-2010, 02:31 PM

awd-rwd racer

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coolant coming out of header bolt holes

Is this normal? Is there a certain way to seal it...rtv on the bolts? I'm looking to get header studs so iwanna seal them up right

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02-11-2010, 03:20 PM

thunderstruck

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the manifold bolt holes shouldnt be in a water jacket?

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02-11-2010, 03:23 PM

deelong4002

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Ummm........

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02-11-2010, 03:51 PM

vettenuts

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Those are blind holes, are you sure they are the source of the leak?

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02-11-2010, 05:18 PM

99LSS1

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Had a buddy's do the same thing... Used some RTV. Fixed the problem!!!!

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02-11-2010, 05:25 PM

Marc 85Z28

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The holes should be blind, but they're extremely close to water. Sometimes they break through from bolts that are too long.

Use some sealant on the bolts.

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