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  #529  
Old 08-13-2012, 05:06 AM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by Milous View Post
Thanks Milous! I believe this is necessary to comply with US regulations. In Europe the CRDs don't have this feature. Will the Export 2014 models get DEF too?
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  #530  
Old 08-13-2012, 12:39 PM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by BobsWK2 View Post
Why does the Ram always have the higher rating? I know its due to tuning but I'm sure the same tuning could be applied to Jeeps flagship with the hemi engine. Just doesn't seem right.
Also a dual stage intake manifold for better breathing
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  #531  
Old 08-13-2012, 12:43 PM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by Alphakong View Post
Thanks Milous! I believe this is necessary to comply with US regulations. In Europe the CRDs don't have this feature. Will the Export 2014 models get DEF too?
VW uses a high burn cycle every 600 miles or something like that to burn off the contaminants. They don't have to worry about the urea fluid. I believe the Audi Q7 is urea free. My girlfriend's jetta smells like it's burning every month or so when it's doing it's high burn cycle, but it's nice not having to worry about it
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  #532  
Old 08-13-2012, 01:36 PM
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Re: 2014 Grand Cherokee - Features & Changes

I'll deal with the urea fluid on a vehicle that gets me 30+ mpg highway; plus I can tow a decent sized boat with it.

Looking forward to seeing '14 pictures with the updated front and rear treatments.
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  #533  
Old 08-13-2012, 02:24 PM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by frydryce View Post
VW uses a high burn cycle every 600 miles or something like that to burn off the contaminants. They don't have to worry about the urea fluid. I believe the Audi Q7 is urea free. My girlfriend's jetta smells like it's burning every month or so when it's doing it's high burn cycle, but it's nice not having to worry about it
The export version of the GC was using this method as well as I understand. Makes me think they must be applying the DEF model to all of their GCs.

That said, the big issue with a recirculation model is if the car is not run long enough for the system to come up to temp (5-20 mile jaunts about town). In that case, you end up with an impacted DPF eventually.
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  #534  
Old 08-13-2012, 06:04 PM
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Re: 2014 Grand Cherokee - Features & Changes

I have not found any evidence to the burn cycle that many CRD's have. What we have been told is the DFP system is right up near the turbo and gets hotter quicker in comparison to the older CRD's that need to run a burn cycle to clean the DFP system. After a year of ownership, I am yet to see any evidence of this occurring and have not had any smoke from the tailpipes. It is also very difficult to get any meaningful CRD technical information from our local Jeep people. It is a pity that the USA has these tough laws making you fit a urea system to an already clean diesel. That just adds cost and complexity to a system just to please some tree huggers.
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  #535  
Old 08-13-2012, 09:31 PM
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Re: 2014 Grand Cherokee - Features & Changes

I'm hoping they keep bright white for the 2014s or even continue the Alpine Edition. If they do, I'm all in for an SRT!
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  #536  
Old 08-13-2012, 10:37 PM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by frydryce View Post
Also a dual stage intake manifold for better breathing
Also more room for the exhaust manifold and larger exhaust pipes
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  #537  
Old 08-13-2012, 10:39 PM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by frydryce View Post
VW uses a high burn cycle every 600 miles or something like that to burn off the contaminants. They don't have to worry about the urea fluid. I believe the Audi Q7 is urea free. My girlfriend's jetta smells like it's burning every month or so when it's doing it's high burn cycle, but it's nice not having to worry about it

Ram Cummins diesel also does not require urea injection
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  #538  
Old 08-13-2012, 11:22 PM
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Re: 2014 Grand Cherokee - Features & Changes

+1 Enforcer.....urea injection systems are apparently much more complex than I would have thought, .....I was hoping that jeep would find a way around using the urea setup on the new GC in the U.S...
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  #539  
Old 08-14-2012, 12:15 AM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by ENFORCER View Post
I have not found any evidence to the burn cycle that many CRD's have. What we have been told is the DFP system is right up near the turbo and gets hotter quicker in comparison to the older CRD's that need to run a burn cycle to clean the DFP system. After a year of ownership, I am yet to see any evidence of this occurring and have not had any smoke from the tailpipes. It is also very difficult to get any meaningful CRD technical information from our local Jeep people. It is a pity that the USA has these tough laws making you fit a urea system to an already clean diesel. That just adds cost and complexity to a system just to please some tree huggers.
imagine how the folks that drive semis with def technology feel 3 to 4 bucks a gal and burn 20 or more gal a week. thanks california, (carb)
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  #540  
Old 08-14-2012, 01:59 AM
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Re: 2014 Grand Cherokee - Features & Changes

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Originally Posted by jgc4ever View Post
Fiat/Chrysler LLC/Jeep:

We want a 2014 S-Limited (with carbon fiber, Leather dash and Leather above doors, and 2012 S-Limited Euro look with the Alcantara and Nappa SRT8 like seats and the cool blacked out exterior and bi-xenon headlights (w/ black bezels) w/ LED DRLs for the 2014 new style, with power tilt/telescoping steering wheel, power liftgate, quadra lift air suspension, and optional Harman Kardan Stereo upgrade) with the 5.7L V8 Hemi in the U.S.! and we want it Jan/Feb of 2013, please! And BLACK CLEAR COAT exterior color option! Or at least ASAP for the 2014 model year, Spring 2013 maybe?
Ya, this but without air suspension and with the rear ELSD!
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