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By 55charliebird - 5 Years Ago
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I was installing the 2 gen. bracket bolts that go into the eng. block and they were going in hard. They are 5/16-18. They look gauled but I'm sure they are 5/16-18. Anyway i'll replace them just to be sure. My question is when I stuck an awl into both holes to measure the bolt length, the upper hole has a solid hard bottom to it but the lower hole was soft so I pushed the awl in and antifreeze water came pouring out . Is this normal that the lower bolt goes into the water jacket and the upper one does not or did I punch through some rust? The water was clean and rust free. Any thoughts?
Thanks, Charlie
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By bergmanj - 5 Years Ago
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Charlie,
It's open to the water jacket; use sealer on bolts when installing. This also goes for some of the water pump bolts on both sides.
Regards, JLB
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By Hoosier Hurricane - 5 Years Ago
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Charlie, yes that lower bolt hole is open to the water jacket. Put a little gasket sealer on the threads when you install it.
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