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Old 02-23-2011, 07:39 PM   #1
69SCJ
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Water pump bolts - do any need sealant?

Do any of the water pump bolts need sealant on them? As in do any go into water passages like a 302?

It's a 351M in my 79.

Thanks,
Tyler
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Old 02-23-2011, 08:57 PM   #2
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I think just one of the timing cover bolts needed it, but not the water pump. That was on the 460 though, so I can't say for sure.
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Old 02-23-2011, 10:09 PM   #3
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I just ran a small bead of permatex around each hole when I put mine on. sealed up and never leaked.
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Old 02-23-2011, 10:39 PM   #4
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Quote:
Originally Posted by plowboy View Post
I just ran a small bead of permatex around each hole when I put mine on.
Same here. A thin bead around all the bolt holes. I think I did this on both sides of the water pump gasket.
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Old 02-24-2011, 08:19 AM   #5
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Thanks everybody.

I did the same. Just around the holes, but just wanted to make sure since two of the long bolts I took out appeared to have sealant on the threads. They could have just picked some up when they were put in last time.
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Old 02-24-2011, 01:57 PM   #6
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OK, yeah I put sealant on the gaskets around the holes, but not thread sealant. I thought he was asking about thread sealant for where bolts go into the coolant passages and rust out. My bad.
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Old 02-25-2011, 09:32 AM   #7
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Just for clarity everybody, I was curious if any of the bolts went into the cooling passages like on a 302. There is a tendency for for water to seep around the threads of the if you don't use pipe sealant or RTV on those bolts.
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Old 02-25-2011, 08:31 PM   #8
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Aha! I was right. You should be able to figure out which ones may hit coolant by just looking behind the pump as you slide the bolts through. I could on the 460, but I don't know about yours.
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Old 04-26-2011, 04:27 PM   #9
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always do every bolt is what ive heard
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Old 04-26-2011, 06:24 PM   #10
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I can confirm I have no leaks and didn't put sealant on the bolts.
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