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 New water pump, leaking upper bolts

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Don in MO

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Posts : 35
Join date : 2013-07-29
Location : Rural Crocker Mo

PostSubject: New water pump, leaking upper bolts   Thu Apr 06, 2017 12:12 am

So this past weekend I replaced the water pump along with multiple other things on my '96 RMW. I put pipe dope on the bolt threads as sealer. Three days later I've noticed the antifreeze laying on the top of the bolt cutouts where the bolts hold the water pump on. What do I need to seal those threads? Do the bolts directly under the top ones need to be sealed? I also did the mechanical fan delete when replacing the water pump and had the supplier of the top radiator cover supply me with the appropriate length bolts from the donor car.

Don

Pic is of the new pump. Didn't think to take one tonight when I noticed the leaks. Was replacing the tensioner pulley and noticed the leaks.

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Rev Bob



Posts : 237
Join date : 2016-05-24

PostSubject: Re: New water pump, leaking upper bolts   Thu Apr 06, 2017 6:06 am

The pipe dope works best on tapered threads. Also not a good application on anti-freeze solutions. You might want to try cleaning the bolts off and putting something designed to seal straight thread bolts such as the many products Permatex sells.

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jayoldschool

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Join date : 2009-06-14

PostSubject: Re: New water pump, leaking upper bolts   Thu Apr 06, 2017 10:01 am

Yes, use the white sealer.

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Don in MO

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Join date : 2013-07-29
Location : Rural Crocker Mo

PostSubject: Re: New water pump, leaking upper bolts   Thu Apr 06, 2017 10:53 am

Thanks!!
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Buicknutt

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Join date : 2012-02-10
Location : CALIFORNIA

PostSubject: Re: New water pump, leaking upper bolts   Thu Apr 06, 2017 11:51 am

Hey, that fan looks familiar Smile

I use gm assembly adhesive (the stuff for things like head gaskets)..then let it cure up for a day or two

Thread locker type stuff is too thin
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lamune

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Join date : 2014-05-09
Location : Seattle

PostSubject: Re: New water pump, leaking upper bolts   Mon Apr 10, 2017 1:02 am

I used Permatex #2. It's the brown stuff that never really dries. It's speced for this application, and it doesn't leak for me!
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