| Engine water pump install questions [message #353721] |
Sat, 11 April 2020 19:38  |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
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I'm getting ready to install a new water pump, and I'm looking for some advise.
1... the book states to coat the bolts in motor oil. Would there be anything better to use? Maybe anti seize, synthetic grease, synthetic oil?
2... is the bypass hose from the water pump to the thermostat housing just standard heater hose?
3... the book states to use liquid gasket sealer to adhere the gasket to the water pump. I usually use aviation gasket Sealer. Is that too extreme? Or should I use something different?
4... should I use gasket sealer on both sides of the water pump gasket? I would think not..
Or am I being too anal..Thanks for the help, Scott.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
[Updated on: Sat, 11 April 2020 21:44] Report message to a moderator |
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| Re: Engine water pump install questions [message #353723 is a reply to message #353721] |
Sat, 11 April 2020 21:56  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Scott Nutter wrote on Sat, 11 April 2020 19:38I'm getting ready to install a new water pump, and I'm looking for some advise.
1... the book states to coat the bolts in motor oil. Would there be anything better to use? Maybe anti seize, synthetic grease, synthetic oil?
2... is the bypass hose from the water pump to the thermostat housing just standard heater hose?
3... the book states to use liquid gasket sealer to adhere the gasket to the water pump. I usually use aviation gasket Sealer. Is that too extreme? Or should I use something different?
4... should I use gasket sealer on both sides of the water pump gasket? I would think not..
Thanks for the help, Scott.
1. Motor oil is fine all they want is lubrication of the thread while tightening / torquing the bolt. I have never done it. I hate people that read the book before doing things.
2. Yes. At least that is all I have ever used.
3. Aviation Permatex is fine. Keep in mind that whatever you use you are going to have to scrape it off again if you ever remove the pump. I usually use a very light coating of silicon just to stick the gasket to the pump and nothing on the engine side.
4. I also have used silicon on the pump and anti-seize on the engine side. It makes it real easy to remove the pump later with the gasket still attached to it.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: Engine water pump install questions [message #353724 is a reply to message #353721] |
Sat, 11 April 2020 23:17 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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Senior Member |
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It is best to drain the coolant from the engine rather then just the radiator when changing the water pump. If the chain case cover separates from the block with coolant in it you will wind up with some coolant in the front sump of the pan.
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: [GMCnet] Engine water pump install questions [message #353728 is a reply to message #353721] |
Sun, 12 April 2020 09:23 |
Ethan James
Messages: 32
Registered: October 2016
Location: Roanoke, VA
Karma: 1
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4. It helps to keep the gasket in place when installing, it's hard to get
it all lined up and keep the gasket in place. I just put a thin coat on the
pump side.
On Sat, Apr 11, 2020, 8:39 PM Scott Nutter via Gmclist <
gmclist@list.gmcnet.org> wrote:
> I'm getting ready to install a new water pump, and I'm looking for some
> advise.
>
> 1... the book states to coat the bolts in motor oil. Would there be
> anything better to use? Maybe anti seize, synthetic grease, synthetic oil?
>
> 2... is the bypass hose from the water pump to the thermostat housing just
> standard heater hose?
>
> 3... the book states to use liquid gasket sealer to adhere the gasket to
> the water pump. I usually use aviation gasket Sealer. Is that too extreme?
> Or
> should I use something different?
>
> 4... should I use gasket sealer on both sides of the water pump gasket? I
> would think not..
>
> Thanks for the help, Scott.
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final
> drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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