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Old 01-25-2012, 10:45 PM   #1
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Puzzling Coolant Leak ???

I have a consistent but puzzling coolant leak. I drive to work (27 miles), go out at lunch, and back home (another 27 miles) or just comparable weekend driving. After I park it - no leak. Check later that night - no leak. Check it again in the morning - no leak. Leave it setting, drive something else to work and check it when I get home - leak. It only leaks a little, about a 5-6 inch diameter circle and nothing more. It's definitely antifreeze and the only place I see any is in the bottom of the radiator housing directly under the fan where it appears to pool up and then leaks to the ground. It will do this every time I drive it if I leave it setting the next day. Any ideas?

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Old 01-25-2012, 10:53 PM   #2
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Sounds like something that is affected by expansion and contraction. I had a lower radiator hose that would only leak after the Jeep set for a couple of days and that was only in cool weather.

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Old 01-25-2012, 11:00 PM   #3
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Leaking water pump seals sometime act like that.
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Old 01-25-2012, 11:02 PM   #4
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Quote:
Originally Posted by tangofox007 View Post
Leaking water pump seals sometime act like that.
Good thought.
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