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Old 06-22-2007, 04:31 PM
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Default Running Hot

My 97 Disco runs hot at slow speeds but then cools down to normal once hit speeds above 40 mph. Had radiator rodded, new water pump, belts, hoses. Still overheats. Dosen't matter if the A/C is on or not. Any thoughts on why it keeps on overheating.

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Bub
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Old 06-22-2007, 04:54 PM
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Default RE: Running Hot

I would check your fan clutch.
Also the small AC fans may not be working.
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Old 06-22-2007, 05:25 PM
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Default RE: Running Hot

X2 on that.
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Old 06-22-2007, 05:45 PM
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Default RE: Running Hot

Fan clutch sounds about right. Consider your thermostat as well.
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Old 06-22-2007, 07:17 PM
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Default RE: Running Hot

I would also suggest you don't drive it any more till you find the problem or you be looking for an engine.
Mike
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Old 06-23-2007, 08:19 AM
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Default RE: Running Hot

Ok guyss, Thanks I'll check the fan clutch and thermostat.

Bub
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Old 06-23-2007, 09:42 AM
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Default RE: Running Hot

How about coolant leaks, have you been needing to add some prior to the radiator repair? You might want to do a coolant pressure test and a chemical block test to rull out head gaskets.
Mike
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Old 06-23-2007, 10:20 AM
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Default RE: Running Hot

Noticed that one of the small electric fans don't come on. Could this be enough with just one to overheat???
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Old 06-24-2007, 01:02 PM
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Default RE: Running Hot

Anyone?
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Old 06-25-2007, 09:42 AM
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Default RE: Running Hot

Both of my fans wern't working, but the only time it wouldget hotwas when I was sittingin traffic or a drive through. I would put it in neutral and hit the gas and that would cool it down. Now the fans are replaced and no morehot engine.. mine would go about 3/4 of the way up the gauge but never in the red. Good luck Scott
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