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05-31-2006, 10:26 AM
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#1 |
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Registered User
Join Date: Sep 2001
Location: Klamath Falls, OR
Posts: 27
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Water pump rotation
When was the change from multiple belts to serpentine? Does the water pump rotation change?
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05-31-2006, 10:36 AM
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#2 |
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STILL PLAYS WITH TRUX
Join Date: Nov 2002
Location: Melbourne, Fla.
Posts: 2,764
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Re: Water pump rotation
For the trucks it was 1988 not sure about the burbs and blazers and yes if it is a single belt system the H2O pump will be a reverse rotation pump.
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05-31-2006, 11:00 AM
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#3 |
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Registered User
Join Date: Sep 2001
Location: Klamath Falls, OR
Posts: 27
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Re: Water pump rotation
What happens if a water pump is run in reverse?
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05-31-2006, 11:06 AM
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#4 |
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Parts and more parts
Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
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Re: Water pump rotation
It rewinds itself!
I would guess that you are asking if a water pump is put onto the wrong setup in error. (I.E. a standard rotation pump on a serepentine belt setup) The water flow through the block is the same on a reverse rotation setup as a standard motor, however the inside of the pump allows for the change in rotation, in it's design of the impeller. If you run a pump backwards the motor should exibit an overheating condition and the water flow will be really low. |
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