As the temps have dropped in the great state of OHIO I have noticed a few coolant drips on the driveway. Upon further inspection I discovered that a very small amount of coolant was leaking out of the water pump gasket. So I took it in to get pressure tested and NO LEAKS??? The question I have to you all is can the gasket be affected by weather IE cold temps equal small drips and a warm engine or warmer temps causes it to swell and seal back up ???

Thanks and ummm GO BUCKS

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04 Light Khaki KJ

I would get ready to replace the water pump. I have seen a couple that when they first start to go will test OK, but soon afterwards they need to be replaced.
Keep watching it real close but..... they don't swell back up and Heal Themselves!
BUT You may try laying your hands on the hood and yelling "HEAL" but doubt it will work

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MUDD'S MOTORSPORT'S We do IFS lift installs ,
03 OVERLAND EDITION /Kilby-Skidrow-Mopar-4XGuard skids/ 2.5 inch TOTAL CONTROL JBA coilovers -JBA Arms/MOABS-31 FALKEN WILDPEAK AT3W / 4.10's etc, 04 Kilimanjaro Edition loaded, plus 05 KJ limited

Same boat I'm in right now. The muffler shop put my Jeep up on the lift and said there was coolant spewing out of it, but upon pressure testing it - nada! I have been losing coolant though. Over the past month I've lost almost the entire contents of my overflow container, so it's going in the shop soon. I don't know where it's actually leaking from, but when it was up on the lift, there was coolant all over the steering rack on the passenger side, which happens to be right where the water pump is.

GO BUCKS! My cousin played baseball at OSU many years ago!

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