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Old 04-14-2013, 09:18 PM   #1
Join Date: Apr 2013
Location: Camas, WA
Posts: 2
Stinky heater in 2010 Wrangler

My heater only blows hot on the passenger side and fairly cool (not cold) on driver's side. When I first turn the heat on, it smells for quite awhile. I'm not sure how I came up with the descriptor of the smell, but it smells like burnt syrup (not that I've actually smelled that before). Any ideas what this may be?

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Old 04-15-2013, 05:43 AM   #2
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Join Date: Jul 2012
Location: NH
Posts: 1,018
Yes- the infamous heater core issue. Do a search, and you'll find a bunch of info on it. Essentially, there is casting sand leftover from production in the block that prevents efficient water circulation. Must of the time it's a two day job, covered under the 3/36 warranty. If you're out of warranty, you might be able to push it since Chrysler is well aware of it.


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Old 04-15-2013, 05:54 AM   #3
Join Date: Aug 2011
Posts: 140
the syrupy smell is antifreeze. yes it's heater core leaking.
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