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post #1 of (permalink) Old 06-05-2004, 11:34 PM Thread Starter
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Water Pump Lubrication?

Do any of you guys lubricate the Sammy water pump? I have this rumbling/moaning noise that started since I changed out the water pump (used a pump that I had on hand that appeared to in perfect shape). I also reset the GM alternator and lined it up well. I'm thinking about spraying silicone lubricant down the drain holes in the bearing case part of the water pump to see if it helps. Would this be a mistake?
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post #2 of (permalink) Old 06-06-2004, 09:57 AM
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Re: Water Pump Lubrication?

doubt it will make a difference I think they are sealed bearings

like I said in an earlier post your vibes are probably from the alternator vibrating around due to either a poor mount or a misaligned mount mine kept vibrating the mount to block bolts out

try taking the fan belt off and run the motor just a little bit and see if the vibes go away dont run it too long since the water wont be circulating
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post #3 of (permalink) Old 06-06-2004, 12:51 PM
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Re: Water Pump Lubrication?

Just for $hits and grins one benefit of running antifreeze is it also has the ability to lubricate the water pump. Doesnt mean you should run all antifreeze, just means running half or less of the amount really helps it out.
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