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02-19-2019, 11:32 AM
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#1
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,145
M.O.C. #1920
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Ram DEF System
Just a heads up to anyone that has a 2013 or newer Ram with DEF system. There is a software update that assists with DEF freeze ups. It is free if you have less than 100k miles. Otherwise, you will be looking at about $300. Ours froze up at minus 13 F in Rock Springs, Wyoming. We were on our way home from Quartzite and the Western Winter Blast. We needed to get home and we’re faced with snow or cold - both four letter words. I was also told it’s less likely to freeze up using the boxed DEF as opposed to the pumped DEF. Just a public service bulletin, but regardless if I planned on driving in below zero weather or not, if I had under 100k miles, I’d get the free software update.
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02-19-2019, 11:35 AM
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#2
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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Quote:
Originally Posted by rames14
Just a heads up to anyone that has a 2013 or newer Ram with DEF system. There is a software update that assists with DEF freeze ups. It is free if you have less than 100k miles. Otherwise, you will be looking at about $300. Ours froze up at minus 13 F in Rock Springs, Wyoming. We were on our way home from Quartzite and the Western Winter Blast. We needed to get home and we’re faced with snow or cold - both four letter words. I was also told it’s less likely to freeze up using the boxed DEF as opposed to the pumped DEF. Just a public service bulletin, but regardless if I planned on driving in below zero weather or not, if I had under 100k miles, I’d get the free software update.
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why would boxed DEF be any different than pumped DEF?
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2019 20th Anniversary Edition 3701LK
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2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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02-19-2019, 01:40 PM
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#3
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,145
M.O.C. #1920
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According to the fleet guy, same as why diesel fuels get water in them. Condensation in the tanks. They now buy it in 55 gallon drums of Blue. I had never had an issue before, but never towed at -13 either.
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02-19-2019, 04:03 PM
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#4
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Thanks Ron, when we get home that will be on my list.
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2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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