C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Water pump squeaking

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Old Aug 4, 2020 | 04:04 PM
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Default Water pump squeaking

So I’m preparing for a cross country trip in my 85, and spun the pulleys to check them.

everything spun great but the water pump is making
It has resistance but it spins smoothly and has no play. It also has no issues keeping my engine cool in 90+ degree weather. I’d never have suspected it to have an issue. Don’t know what a water pump is supposed to sound like.

thanks!
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Old Aug 4, 2020 | 04:51 PM
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Uh... that doesn't sound normal. I might swap it out?

Is it rubbing on anything?

Last edited by 84 4+3; Aug 4, 2020 at 04:51 PM.
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Old Aug 4, 2020 | 04:52 PM
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Originally Posted by 84 4+3
Uh... that doesn't sound normal. I might swap it out?

Is it rubbing on anything?
No I don't think it's rubbing on anything. I hear the water pump is a painful job so I was hoping to avoid it.
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Old Aug 4, 2020 | 08:17 PM
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Hi
I would first remove the bottom hose, sometimes the spring inside the hose to prevent it collapsing can make its way into the water pump.
If it is not the spring then replace the water pump, do not forget anti seize compound on the bolt threads to prevent them corroding.
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Old Aug 4, 2020 | 08:20 PM
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Originally Posted by gerardvg
Hi
I would first remove the bottom hose, sometimes the spring inside the hose to prevent it collapsing can make its way into the water pump.
If it is not the spring then replace the water pump, do not forget anti seize compound on the bolt threads to prevent them corroding.
would it sound like that though? it sounds for all the world like rubber squeaking. It’s definitely not a metal sound... it’s weird
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Old Aug 4, 2020 | 08:50 PM
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Well it was bugging me so I messed with it some more. Looks like as soon as I spin it just a little bit faster the noise completely disappears. I’m calling this a non issue for now.

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