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Overheating...thought it was waterpump.

cosorio
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cosorio Member

cosorio

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Posted (edited)

Hi all. Im working on a 2000 996 that is overheating because of no coolant circulation. The left and right hoses coming from the engine gets really hot so I know the thermostat is opening but when I went under the car and touched the large hoses underneath that delivers the coolant to the radiators, these hoses and pipes are really cold. So I thought the water pump is defective (although not leaking) and maybe the plastic impellers are broken. I took the pump off and after inspection, it seems the pump is in good working order. No broken fins, bearing is tight and doesn't wobble. Is it possible the pump is defective even though it looks like in perfect working order upon inspection? Basically, the water is not being circulated and not reaching the radiators. Any suggestions? Thanks.

***EDIT: Nevermind, waterpump is good, just had to give the engine a few hard revs to get the coolant circulating.

Edited by cosorio
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