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05-02-2013, 01:11 PM
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#1 |
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Registered User
Join Date: Feb 2013
Location: Fresno ca
Posts: 77
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Water pump question
Morning fellas, I have a question about my water pump. What is a for sure way to tell if the water pump is on it's way out?? The truck does not over heat or leak but it does make a hissing noise up front how do I tell if it needs to be replaced?? or is it the belt that needs to be replaced?? thanks for any info
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05-02-2013, 01:33 PM
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#2 |
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Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Water pump question
Might be the belt, put some belt dressing on the belt and see if the hissing goes away.
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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05-02-2013, 01:45 PM
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#3 |
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Registered User
Join Date: Sep 2011
Location: San Jose, California
Posts: 784
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Re: Water pump question
Get one of these: Nothing works better at isolating where weird noises are coming from. Never heard a water pump make a hissing noise. Are you sure it's not a vacuum leak, or maybe your radiator cap?
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05-02-2013, 02:07 PM
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#4 |
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Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: Water pump question
I would look for something that is sucking air. The hose to my PVC came loose and it made a horrible hissing noise.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
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