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  #1  
Old 02-10-2016, 06:23 PM
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Def fluid

I bought a 2015 JGC eco diesel last Oct. Def gauge still shows about 75% left with about 2700 miles on the vehicle.

I plan on changing the oil at 5000 miles for piece of mind and will fill the DEF tank then. Is anyone using the Peak Blue DEF sold at Walmart? It say's it meets the ISO 22241 standard or do you pay the dealer twice the amount for Mopar def?

Obviously warranty issues may arise so I'm wondering about using the Peak brand.

Wireman

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Old 02-10-2016, 07:14 PM
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Re: Def fluid

I have always used the Peak Blue...probably used 6-7 containers of it and never had an issues
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Old 02-10-2016, 07:44 PM
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Re: Def fluid

Hi this is just my opinion. But with all the issues people have had with the the whole SCR and DEF system. I would caution on the conservative side and use the dealers MOPAR DEF while you are under warranty, that way they can't blame the Peak/Walmart DEF for your problem. That way it's on the dealer to fix the problem. Another thing to remember is refresh your DEF once in awhile. I usually take it down to about 1/4 left and then have them refill it.
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Old 02-10-2016, 07:52 PM
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Re: Def fluid

Other than the outrageous cost.

I had my whole CAT/SCR system replaced under warranty. If you go off of what the owners manual says for requirements, they can't hold it against you.

From Page 97 of the Diesel Supplement:

MOPARŪ Diesel Exhaust Fluid (API Certified) (DEF) or equivalent that has been API Certified to the
ISO 22241 standard. Use of fluids not API Certified to ISO 22241 may result in system damage.
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Old 02-10-2016, 08:10 PM
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Re: Def fluid

CNY, I have read on other threads in this forum that folks have had issues with dealers trying to fix problems when they use other DEF. I agree with you, but to me if something would happen because of old fluid or it was stored in high temperatures. I would rather say to the dealer, hey this is your DEF issue not mine so please fix the issue. That's all.
The extra dollars are not that much for dealer DEF considering you bought a 40-60K Jeep.
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Old 02-10-2016, 09:16 PM
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Re: Def fluid

Quote:
Originally Posted by wireman View Post
I bought a 2015 JGC eco diesel last Oct. Def gauge still shows about 75% left with about 2700 miles on the vehicle.

I plan on changing the oil at 5000 miles for piece of mind and will fill the DEF tank then. Is anyone using the Peak Blue DEF sold at Walmart? It say's it meets the ISO 22241 standard or do you pay the dealer twice the amount for Mopar def?

Obviously warranty issues may arise so I'm wondering about using the Peak brand.

Wireman
Been using Peak DEF, no problems.
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Old 02-10-2016, 10:38 PM
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Re: Def fluid

I use BlueDef from the auto parts store and have no issues at 40k miles. Also 5k miles for an oil change is a waste of time and money, IMO.
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Old 02-11-2016, 07:17 AM
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Quote:
Originally Posted by WK2Kev View Post
I use BlueDef from the auto parts store and have no issues at 40k miles. Also 5k miles for an oil change is a waste of time and money, IMO.
The stuff you get at loves or flying j is just as good. The quantity they have will be more fresh because of how quickly it gets used and replenished. I've used it since I got the vehicle and have had no issues. If you clean your injector at every oil change you'd be good.
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Old 02-11-2016, 07:35 AM
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Re: Def fluid

I've used Bulk DEF from truck stops and also Peak DEF from Advance Auto. No problems with either and I've also had my SCR Catalyst replaced.
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Old 02-11-2016, 01:37 PM
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Re: Def fluid

Instead of jugs from the dealer parts department, ask your dealer's service department if they dispense bulk DEF. Odds are that they do. My dealer offers bulk DEF fillups at $2.99 gallon. Takes away the blame game and more reasonably priced than jugs.
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Old 02-11-2016, 03:43 PM
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Re: Def fluid

We have a few Diesel trucks at work and we buy the DEF by the 55 gal drum. We usually buy whats ever on sale and so far so good. I think we have a drum of Napa now. I usually just put 2 gallons at a time. Jeep has 20k on it and Ive prob used 3 different brands. Only now I got rear-ended yesterday morning on the way to work and my truck may be totaled. They just hit the rear drivers corner but the impact cracked the front windshield. All doors dont line up to well anymore. Kind of sucks as I have not had any problems since new and not this happens.
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Old 02-11-2016, 05:14 PM
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Re: Def fluid

yep, last two containers were from wal mart. no issues.
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