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  #1  
Old 10-11-2004, 05:42 PM
Caprice Master Caprice Master is offline
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Waterpump Causing Vibration ?

Hi,

On my 85 Caprice with the 305 engine, my waterpump has a pretty worn out bearing. I haven't replaced it yet, for various reasons. Lately I've noticed a vibration in the accelerator pedal and steering wheel on acceleration sometimes. If I rev the engine in neutral, I get a rough vibration too. My question is : Could the vibration be due to the waterpump bearing going out?

Thanks
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Old 10-11-2004, 06:08 PM
TommySS TommySS is offline
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Re: Waterpump Causing Vibration ?

Anything is possible, but it's probably not the water pump causing the vibration.

Check your power steering fluid level/condition (make sure you have enough and that it's not full of dirt/metal).

Other sources of vibrations are misfires and vacuum hose leaks.

Is it making noise?
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Old 10-11-2004, 08:54 PM
Caprice Master Caprice Master is offline
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It's not making any noise associated with the vibration, no.
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Old 10-12-2004, 07:15 PM
TommySS TommySS is offline
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Re: Waterpump Causing Vibration ?

Dag!

Have a look at the crank dampener. It's made of rubber/metal. If the rubber separates, it's not doing its job anymore. It would explain why it vibrates at idle, moving or not.
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Old 10-20-2004, 04:48 PM
Caprice Master Caprice Master is offline
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Life is good. I put in a new waterpump and the vibration went away ! Took me 7 hours, but I enjoyed every minute.
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Old 10-22-2004, 06:39 PM
TommySS TommySS is offline
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Re: Waterpump Causing Vibration ?

Congratulations !

That pump must've been REAL bad to cause vibration like you describe
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