| Re: [GMCnet] Is my water pump on its way out? [message #87655] |
Mon, 07 June 2010 11:31 |
chucklexie
Messages: 44
Registered: June 2010
Karma: 0
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You can very easily make those electric fans come on my a thermostat, a little more money will get you a variable thermostat. Have one come on then the other if needed. Just get them from any hotrod catalog. I got mine from Summit, but JEGS also has them at reasonable prices.
Chuck
---------- Original Message ----------
From: Shan Rose <defconfx@gmail.com>
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Is my water pump on its way out?
Date: Mon, 07 Jun 2010 11:14:39 -0500
Well, the fan clutch seems to be relatively new on my coach, it does like to stay on more then off however, and I am building an electric fan set to replace the mechanical one with 2 17" fans off of T-bird supercoupes which move each over 3k CFM. though that project has just been in the mockup stage, not actually put into operational status as of yet.
The noise is whas has me though, it just started about a week ago. and it has coincided with the erratic temp readings. the fan however seems to be drawing more then enough air through, and the upper rad hose is hot but not as hot as you would think it would be when the OEM temp gauge is at 50%. so im abit at a loss.
I guess I could remove the fan and run the engine when its cold to see if the noise goes away...
Bob Horton wrote on Mon, 07 June 2010 11:03
> I was having my rad flushed a couple of years back and there was a racket that sounded like the water pump was going. In fact the rad shop said the noise was the water pump. A couple of hundred miles later the fan clutch gave out. Changed the fan clutch - no more noise. The water pump is still going. (Touch wood)
>
> I can't claim to be an expert on water pumps although I have changed more than a few on old oldsmobiles I owned in the distant past. Just be sure that its not the fan clutch before you go to the trouble of changing the water pump.
>
> Bob Horton
> Brandon, Manitoba
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