finding the source of a coolant leak - JeepForum.com

 
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post #1 of 4 Old 08-16-2009, 05:18 PM Thread Starter
tfgnt16
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finding the source of a coolant leak

For the last few months I've been slowly loosing coolant out of the reservoir bottle and haven't been able to pinpoint the leak. I've eliminated the head gasket as a problem. I recently noticed a small stain that would appear under my WJ after a drive.





Got down and it smells like antifreeze... I'm guessing water pump but can't really see where it drips from. I don't think it's the radiator either, the drip is behind where the radiator is located. Anyone have any ideas?


2001 WJ Laredo 4.0L - Sold!
2009 WK Limited 5.7L HEMI
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post #2 of 4 Old 08-16-2009, 07:05 PM
michiganmaveric
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Check real good around the thermostat housing. I had a small leak there that would drain my overflow bottle in about a month.

Previous Jeeps: 84 CJ7 (A True Jeep), 2000 XJ (163,000 Miles/Totaled (Pictures of wrecked Jeep in gallery)), 2004 WJ (parting out die to major electrical issues)

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post #3 of 4 Old 08-16-2009, 08:38 PM
WiCkeDuDe
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Borrow or rent a pressure tester and you should be able to find the leak pretty easy. Under pressure the leak will usually start to push enough fluid out you will see and or hear it.
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post #4 of 4 Old 08-16-2009, 09:17 PM
elmer_fud
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check the water pump, hoses, and thermostat. try and follow the fluid up and see where it is leaking from

Brian
95 ZJ, 5.2 V8,160,000 miles

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