KJ losing Anti Freeze - JeepForum.com
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post #1 of 5 Old 05-25-2014, 04:41 PM Thread Starter
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Location: gresham
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KJ losing Anti Freeze

I have a 2005 KJ that is losing about a 1/4 gallon of anti freeze every 2 or 3 weeks. I've had the rig since the first of the year. Checked the AF it when I bought and the level looked good. About 6 weeks ago I took it to our mechanic (not jiffy lube) for a oil change and do a check on all fluids.

All looked good. No overheating yet. Then my wife was driving home from work on the first warm day of the year and saw billows of steam coming out of the engine compartment on the passenger side. When I got home the next day I took a look and the reservoir bottle and it was full of fluid. Squeezed the inlet hose (I think) to the radiator. When squeezed I saw no indication that there was any fluid inside. Drove the rig around for a couple of minutes, got back and the reservoir was empty. It took more than a half a gallon to fill. I drove it for the next 2 weeks and there were some very warm days, no problem.

Last week we drove it about 15 miles of mostly freeway and when stopped the was some steam coming out from under the hood. There was only about 2" of AF in the bottle. Added more and drove it for a couple of days. Checked it today and there was hardly any in the bottle. So far I've added about 1.25 gallons.

No leaks on the ground at all, the only time I smell AF is when it overheated. Oil looks good as well.

Thanks for the help.

sds9700 is offline  
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post #2 of 5 Old 05-25-2014, 05:01 PM
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2002 KJ Liberty 
Join Date: Dec 2009
Location: Colorado
Posts: 8,393
Check the drivers side radiator side tank,upper corner behind the rubber flap and just above the upper mounting tab.That is the common cracking point for a KJ radiator and easily missed.

'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
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post #3 of 5 Old 05-28-2014, 11:10 AM
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2003 KJ Liberty 
Join Date: Jan 2014
Location: Denver
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Same issue with mine, plastic side of radiator on driver's side had crack. 2003 with 163,000 miles. Easy replacement at home.
Anoon is offline  
post #4 of 5 Old 05-28-2014, 09:53 PM
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2006 KJ Liberty 
Join Date: Jul 2008
Location: MO
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Check for evidence around the water pump. It can leak quite a bit and never hit the ground.
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post #5 of 5 Old 05-29-2014, 03:24 PM
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I too have the same issue, today I checked it just because and realized it was really low, below the cold fill line! So I squeezed the big tube at the top of the radiator and watched it fill up somewhat again. But I'm still adding coolant
02jeepliberty is offline  

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