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Sounds like you may have a pressure leak. When hot the coolant is forced out at the spot of the leak and the hot radiator burns it off. This is a common problem as well but different that the one in the lawsuit.

I have the same problem you do and will be taking my 2015 JKU in for repair in the next couple of weeks.
 

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I have the same issue, but nothing Jeep can do about it.
 

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Sounds like you may have a pressure leak. When hot the coolant is forced out at the spot of the leak and the hot radiator burns it off. This is a common problem as well but different that the one in the lawsuit.
Such might be solved with simply a new, good quality, radiator cap.
 

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I had the coolant odor on my 2014 about 6 months ago and had to have my radiator replaced. it was covered under my extended bumper to bumper at the cost of $100 deductible. It is a well known problem. it is such a small leak it can go undetected. It usually manifests at the bottom on the left side where the crimps are.
 
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Such might be solved with simply a new, good quality, radiator cap.
I wish it was that simple but I can see where the coolant is being forced out and burning off
 
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Think this class action is for plugged radiators from defective cylinder head sand castings, not simply leaking radiators which of course seems to be a problem most dealers are acknowledging. My 15 JK with 20K is on its third radiator, typical leaking at the aluminum to plastic can seal.
 

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I wish it was that simple but I can see where the coolant is being forced out and burning off
I was thinking that the leak you're seeing would go away, if the overall pressure in the system was brought down to a reasonable level (if that is indeed the fault).
 
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