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03-28-2015, 04:04 PM
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#1 |
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Registered User
Join Date: Mar 2015
Location: Portland, Oregon
Posts: 19
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Screamin Water Pump
Well started the ol girl up today and heard a screaming noise coming from the front of the engine. Appears to be a water pump. When stopped if I grab the fan I have a little bit of play side to side so assuming this is the culprit. Those working on the old 270 GMC any help with a supplier? Napa, Oreilly's no help with 54 or 55 combo. How long up did they make the 270 as perhaps I can have them enter another year?
Thanks. |
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03-28-2015, 04:30 PM
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#2 |
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Registered User
Join Date: Jan 2011
Location: Delaware and Long Island, New York
Posts: 3,455
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Re: Screamin Water Pump
My 261 has a little oil cup to add a few drops to the bearing, I would think the 270 would have them also. Is there any antifreeze dripping from the shaft?
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03-28-2015, 04:38 PM
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#3 |
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Registered User
Join Date: Mar 2015
Location: Portland, Oregon
Posts: 19
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Re: Screamin Water Pump
I checked around and didn't see any oil ports. Would they look similar to whats on a generator? Thats the odd thing not a drop of antifreeze as far as I can tell.
Curious would a 261 waterpump interchange with a 270 as I see a 261 on Ebay currently for a decent price? |
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03-28-2015, 04:47 PM
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#4 |
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Registered User
Join Date: Jan 2011
Location: Delaware and Long Island, New York
Posts: 3,455
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Re: Screamin Water Pump
Yes they look the same, Mine has no cap, so it just looks like a hole. Unsure/doubt a 261 pump fitting on the 270 as theypretty specific to themselves. I believe the 302 gmc is the same though.
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