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Unread 01-09-2014, 03:58 PM   #1
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Join Date: Jan 2014
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99 tj coolant.

Putting in new radiator. Found a lot of things saying coolant recommendations were switched in early 2000's. If someone would clarify if that switch was for previous tj models also.

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Unread 01-09-2014, 04:21 PM   #2
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2006 TJ Wrangler 
Join Date: May 2008
Location: Westchester, NY
Posts: 13,597
In 2001 TJs switched to HOAT coolant. Problems arise when coolants are mixed. Stick to what you have unless prepared to do full flush. If prepared to do a full flush run what you choose.
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Unread 01-09-2014, 04:24 PM   #3
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2001 TJ Wrangler 
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Yep. As biff said they changed coolants in 2001.
Always look both ways before crossing the stream.
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Unread 01-09-2014, 04:56 PM   #4
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2001 TJ Wrangler 
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Check this out. http://www.jeepforum.com/forum/f176/...olant-1977994/
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