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water pump bad?

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Old Aug 10, 2002 | 03:46 AM
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Default water pump bad?

how do i know if the water pump is going bad?
are there any teltale signs??

how much does one of them cost?
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Old Aug 10, 2002 | 08:13 AM
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AndUAndI's Avatar
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Default Re: water pump bad?

There is a weep hole on the underside of the housing under the shaft. Usually the bearings / seals begin to go and the pump will "weep" coolant at that hole.
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Old Aug 10, 2002 | 04:37 PM
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Default Re: water pump bad?

there is???
i know that is true for the old sbc , but i don't recall a weep hole on the ls1 pump?? guess i'll have to check.
any other signs? growling/grinding noise from pump maybe??
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Old Aug 11, 2002 | 12:10 AM
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Default Re: water pump bad?

There is a weephole but the pulley covers it up and you can't see it. Before you chnge that overpriced water pump, check to see if the leak is comming from the w/p gasket. I have seen alot more of those go bad than the pump.
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Old Oct 12, 2004 | 04:08 PM
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can you just plug the weephole?
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Old Oct 12, 2004 | 06:15 PM
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Default

Originally Posted by SlyStoner421
can you just plug the weephole?
Yes, but your water pump will still fail. The weephole is there to give you some warning that the pump is going bad, rather than fail unexpectedly on the side of the road somewhere 50 miles from home.

By the way, when I replaced the water pump on my 02 Yukon, I bought a lifetime warranty one from O'Reilly's for about $150. Not bad, I thought.
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