Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#388247 04/24/17 06:33 AM
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Shade Tree Mechanic
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Shade Tree Mechanic
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Hi guys, I noticed I was leaking out of my water pump so I'm going to change it. My question is, should I goop up the gasket or put it on dry and is there more then one gasket? Thanks Bob

Filling Station - Chevrolet & GMC Reproduction Parts


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Bobsmanstuff #388248 04/24/17 07:30 AM
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I use permatex #2. Both sides.

Bobsmanstuff #388249 04/24/17 07:41 AM
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Hi Bob,

Try doing a Search of past posts for a quick answer +water +pump will lead you to a number of answers narrow the search by choosing a specific Forum to search, for example 1937-41. Try also the Advanced Search Tips.

Installation of Water Pump on a 40 Coupe

41 216 Water Pump Replacement

Good luck, Mike
P.S. I think you will find that some will recommend you do not need to use a sealant with a new gasket. This advice is fine unless the new pump leaks and you need to take it off again to replace the gasket and put some sealant on. I think the job is such a bother that you should use sealant with your new gasket.

I wrote my post as chevy37 was responding so agree with his response.

Last edited by Mike Buller; 04/24/17 07:47 AM.

Mike 41 Chevy
Mike Buller #388252 04/24/17 09:39 AM
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The factory never used a sealer and I have never seen a factory installed pump leak due to the gasket failure.
Just make sure the surfaces are clean.


Gene Schneider
Chev Nut #388258 04/24/17 10:15 AM
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iagree

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Bobsmanstuff #388377 04/27/17 09:32 AM
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Shade Tree Mechanic
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Thanks for the info guy's.


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