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Old 09-19-2011, 01:31 PM   #1
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Radiator Leak?

Has anyone had this happen?
2008 Rubicon 37,000 miles

On a dry day and two previous days with no rain I am making a short trip and notice steam coming from the radiator. There was not any coolant on my garage floor but after the thermostat opens up some steam starts rolling off the radiator and it smells like antifreeze somewhere in the middle about 2/3rds of the way up the radiator. I took it to a local garage to make an appointment and the garage owner saw the steam rolling off the radiator then. I did some driving latter that day but it did not steam up.

The garage looked at it today and could not find a leak. They did some extensive driving and let it idle for a period of time. A pressure leak down test did not show any leakage. I am sure there was not any water on the outside of the radiator boiling off.

Has anyone had any radiator issues?

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Old 09-19-2011, 02:37 PM   #2
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These have been mentioned before and turns out most of the time it is simply moisture in the under the hood steaming off.

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Old 09-19-2011, 04:38 PM   #3
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Just what Gringo said. It's common for JK's to "steam" under the right weather conditions. It's normal. You mentioned everything was checked so don't worry about it. My 10 Rubi steamed so much one day sitting at a light that I almost couldn't see the road in front of me.
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Old 09-19-2011, 04:43 PM   #4
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I just provided a port/stbd steam loop, to direct the steam into my port/stbd SSTGs--

OOps-wrong forum

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