Overheating

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Apr 14, 2007 | 04:17 PM

gregj999

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Joined: Apr 2007

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Overheating

I have an 89 Ford F150. I just replaced the factoy radiator, which was clogged with rust, and my truck still overheats. I dont have any coolant leaks. Could all of that rust build-up cause the water pump to fail, even though the pump is relatively new? If not the water pump, is the problem caused by a sensor or switch? This is starting to become expensive to troubleshoot.

Thanks, Greg...

Apr 14, 2007 | 06:44 PM

t4kne

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Joined: Jun 2003

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From: Massachusetts

Remove the thermostat. reconnect the hose. Remove radiator cap and run engine. Look inside, if you see fluid circulating in the radiator, buy a new thermostat. If you see no circulation, looks like it's the water pump.

Apr 15, 2007 | 03:28 AM

Chuckde

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Overheating

Could it be air trapped in the system? Does it really noticeably overheat or is the gauge registering higher than "normal", indicating a hot spot due to trapped air?

Chuckde

Apr 15, 2007 | 06:50 AM

dbellis

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From: rochester ny

i agree sounds like the thermostat id try that and could be the cluch fan see how free it moves

Apr 15, 2007 | 09:32 AM

88 f150

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Joined: Dec 2006

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I agree on the thermostat. Could be corroded shut or nearly shut. Check also your coolant sensor. Most shops will have a infrared temp gauge they can use to find hot spots.

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