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  #109  
Old 05-12-2014, 08:03 PM
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Re: Vulnerable DEF injector wiring!

Mine broke going through a wet snow today in Colorado (between Golden and Boulder, not in the mountains). Probably going 40 MPH or so, was driving in the "snow groove" created by other cars, got off the groove for a couple of seconds and was kicking up snow (maybe 2" or less deep). Got back in the groove, about 15-20 seconds later I got the DEF service light. Dealer says it's a broken injector. Unbelievable. Really bad design.

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  #110  
Old 05-12-2014, 08:04 PM
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Re: Vulnerable DEF injector wiring!

Great, sounds like a good idea, would like to see when you get it finished
thanks


Quote:
Originally Posted by dom42 View Post
The plate i made basically covers that area of the def line u are talking about. Im designing some rock sliders that will incorporate a skid plate to protect the line all the way to the back tire.
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  #111  
Old 05-12-2014, 08:30 PM
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Re: Vulnerable DEF injector wiring!

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Originally Posted by dom42 View Post
Yup. Got u !! Ill b going back to shop to make a more refined version .

Im a SEMA member and actually am partnering up with my metal guy (SEMA member as well) in near future. We will b able to get the CAD files for the grand cherokee and basically make anything all cnc'd so everything is basically like how the factory would do it only i would use better material. Should b fun !!
Very cool,

I have some good friends that are Engineering guys... some of which I used to work with directly at a medical firm, building spring arms for operating rooms. Always love the load testing (to failure).
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  #112  
Old 05-12-2014, 10:02 PM
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Re: Vulnerable DEF injector wiring!

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Originally Posted by thereynolds View Post
Mine broke going through a wet snow today in Colorado (between Golden and Boulder, not in the mountains). Probably going 40 MPH or so, was driving in the "snow groove" created by other cars, got off the groove for a couple of seconds and was kicking up snow (maybe 2" or less deep). Got back in the groove, about 15-20 seconds later I got the DEF service light. Dealer says it's a broken injector. Unbelievable. Really bad design.
That sucks. Did you happen to get any pics of the carnage? It might help in the skid plate design if we know what is being damaged.
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  #113  
Old 05-12-2014, 11:25 PM
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Re: Vulnerable DEF injector wiring!

Mine broke 4 days after purchase. It only had paved road/highway driving with all four days being in the rain (Vancouver).
I am interested to see how this new skid plate being developed will effect the heat dissipation.

I've attached 2 photos of what my injector looked like when it was damaged. It was cracked at first and eventually it broke free. The DEF tube was still firmly attached to the body and it did not appear to hang and loose and low as some of the other photos I have seen on this forum.
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File Type: jpg IMG_1259.jpg (512.7 KB, 126 views)
File Type: jpg IMG_1261.jpg (461.7 KB, 115 views)
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  #114  
Old 05-13-2014, 12:28 AM
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Re: Vulnerable DEF injector wiring!

Perhaps thermal stress from being attached to a 1200F pipe then being quench by cold water is the cause? Just a thought.
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  #115  
Old 05-13-2014, 07:28 AM
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Re: Vulnerable DEF injector wiring!

Quote:
Originally Posted by ExcursionDiesel View Post
Perhaps thermal stress from being attached to a 1200F pipe then being quench by cold water is the cause? Just a thought.
If it was only 4 days after purchase and on-pavement driving in nothing harsher than rain, I really hope this was one of those "damaged at the factory" DEF injectors that others have mentioned.

Otherwise, it would seem that the only solution would be a re-engineered DEF injector because no plate can adequately protect such a delicate flower (*cough*) of a DEF injector from all impacts, water splashes, etc, while still allowing heat dissipation in the area.

I mean, what's next? Requiring a sneeze guard for the DEF injector to protect against convulsive exhalations? Does this thing break if you merely look at it harshly? I suppose mine will find out soon because I am certainly going to be glaring at it as I inspect it.
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  #116  
Old 05-13-2014, 09:16 AM
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Re: Vulnerable DEF injector wiring!

Just wondering how, as a group, we might be able to contact Chrysler about this problem? Seems to me that it is an area that has been skipped over by the factory, and even though we have the OR11 package and fancy trail rated badges, I'm concerned that the thing is going to break off and leave me and my family stranded in some remote location. Our main reason to purchase this so far fabulous vehicle was the off road ability when you need it, to not worry about ploughing our driveway in the winter and to explore lots of NE forrest trails etc. Reading some of these posts, it seems that the thing could break if you even look at it the wrong way. Thoughts?
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  #117  
Old 05-13-2014, 09:33 AM
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Anyone who has this concern at a dealer please ask them to open a ticket with Star. All it takes is a bunch of those and they will look at it.

The warranty claims are going to flag it as well but that may take longer to happen.
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  #118  
Old 05-13-2014, 09:34 AM
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Re: Vulnerable DEF injector wiring!

Use the link on the Jeep website to Customer Care. I sent them a message last week about this issue. They responded with a stock answer that their research revealed no "widespread" issue. I think it would help make it a widespread issue if those of us with experiences or concerns detail them and send them directly to Jeep Customer Care.


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  #119  
Old 05-17-2014, 01:57 PM
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Re: Vulnerable DEF injector wiring!

Quote:
Originally Posted by JEB1 View Post
Use the link on the Jeep website to Customer Care. I sent them a message last week about this issue. They responded with a stock answer that their research revealed no "widespread" issue. I think it would help make it a widespread issue if those of us with experiences or concerns detail them and send them directly to Jeep Customer Care.
I just sent an email to Customer Care using the Jeep site.

What about contacting magazines and such? Several did initial reports a year ago when the vehicle was announced. Maybe they would do a follow-up now that the vehicle is in production. I would really like to put pressure on Jeep.
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  #120  
Old 05-17-2014, 02:26 PM
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Re: Vulnerable DEF injector wiring!

Hmmm. My buddy is an editor for diesel power mag. Will talk to him about that.
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