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Old 10-11-2016, 09:20 AM
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2013 Rubicon Radiator Fluid Smell

Anyone experience continuing issues with radiator fluid smell?

I've had it looked at 3 times now, repairs made, comes back. Never see leaks, just the smell.

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Old 10-12-2016, 12:46 PM   #2
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There will be some odor since the reservoir is vented and OAT coolant has more of an odor than HOAT, for example. I'm not saying that you definitely don't have a leak, but a pressure test should be able to determine where it is if there is one. Replacing the radiator cap anyway would also be good to do at this point. What repairs did they do? Plus, don't keep the reservoir filled to the Max line. If you keep the level 2-3" above the Min line cold with a JK that's sufficient. If you keep the level at Max the coolant is more likely to push out of the overflow under certain conditions and/or you could also smell more of an odor.

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Old 10-12-2016, 01:04 PM   #3
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Quote:
Originally Posted by kik View Post
There will be some odor since the reservoir is vented and OAT coolant has more of an odor than HOAT, for example. I'm not saying that you definitely don't have a leak, but a pressure test should be able to determine where it is if there is one. Replacing the radiator cap anyway would also be good to do at this point. What repairs did they do? Plus, don't keep the reservoir filled to the Max line. If you keep the level 2-3" above the Min line cold with a JK that's sufficient. If you keep the level at Max the coolant is more likely to push out of the overflow under certain conditions and/or you could also smell more of an odor.
^^^This..

If your radiator cap is still the original, then I suggest that you replace it with a new Mopar cap.
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Old 10-12-2016, 01:13 PM   #4
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On my '14 the first hint of odor was a leak in the top driver's side of the radiator. Pic:





The second time I noticed it was a pinhole leak in the therm housing. Pics:






I still get a whiff of OAT every now and then but there are no leaks to be found and no coolant usage.

Good luck!
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Old 10-12-2016, 03:45 PM   #5
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Per my dealer some Wranglers are shipping new with bad radiators. My 2014 smelled like antifreeze from day one... Sometimes I even saw a some steam coming out of my front-end. Finally I got the dealer to look closer after several attempts (and years) they installed a new radiator... No more smell! I had a similar leak as described in the photo above. Basically the tank separates from the coils
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Old 10-13-2016, 08:38 AM
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Originally Posted by Old Dogger View Post
^^^This..

If your radiator cap is still the original, then I suggest that you replace it with a new Mopar cap.
Thank you! Cap is original so I will try that first.
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Old 10-13-2016, 08:40 AM
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I've never seen a drop or any wetness, engine is spotless. I ordered the new cap and filled to the overflow line as suggested in the other post.

Thank you


Quote:
Originally Posted by Blue Baby Sound View Post
On my '14 the first hint of odor was a leak in the top driver's side of the radiator. Pic:





The second time I noticed it was a pinhole leak in the therm housing. Pics:






I still get a whiff of OAT every now and then but there are no leaks to be found and no coolant usage.

Good luck!

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