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  #25  
Old 08-04-2015, 05:54 PM
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Re: Grand cherokee2015 gear issue

I had a new valve body installed over a month ago. I'm at 1400 post valve body replacement. My transmission has good days and bad days. I can't get a new transmission because when I took it back nearly a month ago they told me they couldn't duplicate the problem.




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  #26  
Old 08-04-2015, 07:01 PM
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Re: Grand cherokee2015 gear issue

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Originally Posted by Demm0 View Post
Hopefully after a couple of 100 miles the car will freakin learn how to shift right

It's going to take more than 100 miles. Transmission tech told me 600 miles on average.


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  #27  
Old 08-06-2015, 04:05 AM
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Re: Grand cherokee2015 gear issue

There was update for the uconnect this morning for me when I checked the website anyone else . ?
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  #28  
Old 08-06-2015, 09:09 AM
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Re: Grand cherokee2015 gear issue

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Originally Posted by Demm0 View Post
There was update for the uconnect this morning for me when I checked the website anyone else . ?

Yeah... It's the update so your ride can't get hacked so easily.
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  #29  
Old 08-06-2015, 02:36 PM
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Re: Grand cherokee2015 gear issue

I think also the maps are updated...
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  #30  
Old 08-07-2015, 02:31 PM
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Re: Grand cherokee2015 gear issue

So now back again to the rough shift between 1-2 when driving slow like 20 km I don't understand why the **** is this happening. .. it's passing me off and the agency it's normal because it's a 4wheels drive and the shaft is designed like this etc etc.. all blah blah blah to me.. never ever had a car so this before.. steange...
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  #31  
Old 08-07-2015, 04:05 PM
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Re: Grand cherokee2015 gear issue

Time for valve body replacement


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  #32  
Old 08-08-2015, 03:50 AM
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Re: Grand cherokee2015 gear issue

The problem is the that the agency is not even admitting there is a problem so how I'll ask them to change the valve body
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  #33  
Old 08-08-2015, 06:25 AM
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Re: Grand cherokee2015 gear issue

I had similar issue. Harsh shifts from 2-3 and 3-4. Done the software update - it only helped with 3-4, so I went again and said there must be something else they can do (knowing that the next thing is Valve Body) I asked the service advisor and told him that I heard of the issue and apparently valve body is the solution. I had mine changed 3 weeks ago and my problem is gone. Go to different service centre and try there if this one dosn't want to do it.
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  #34  
Old 08-08-2015, 11:06 AM
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Re: Grand cherokee2015 gear issue

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Originally Posted by Czarniutki View Post
I had similar issue. Harsh shifts from 2-3 and 3-4. Done the software update - it only helped with 3-4, so I went again and said there must be something else they can do (knowing that the next thing is Valve Body) I asked the service advisor and told him that I heard of the issue and apparently valve body is the solution. I had mine changed 3 weeks ago and my problem is gone. Go to different service centre and try there if this one dosn't want to do it.
Here in bahrain we have one agency they deal with jeep so I'm stuck with them I'll go tomorrow to tell them to change e valve body let's see what they will say.. but to be honest this jerking only happen when I take my foot off the gas paddle with low speed between 1-2 maybe it's normal as they say ??? I don't know guys what u say ?
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  #35  
Old 08-08-2015, 12:32 PM
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Re: Grand cherokee2015 gear issue

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Originally Posted by Demm0 View Post
Here in bahrain we have one agency they deal with jeep so I'm stuck with them I'll go tomorrow to tell them to change e valve body let's see what they will say.. but to be honest this jerking only happen when I take my foot off the gas paddle with low speed between 1-2 maybe it's normal as they say ??? I don't know guys what u say ?

When I test drove my car with the transmission tech, he demonstrated to me that with this transmission, you need to maintain throttle during gear changes in the low gears. This transmission has some manual transmission gearing qualities- they're called "dog gears."

Mind you, this is all because of US-mandated mileage requirements. I think by the year 2025, combustion engine vehicles are required to get something like 55 mpg, so this transmission is the first step in that direction.

In all honesty, my car has been evening out (I think) There is only shift hesitation about 2 or 3 times a week, and that is usually due to a condition, such as accelerating through a downshift scenario on hill descent or something like that.

Keep it mind that this car is all "drive by wire". The transmission is operating mostly off of data. So if you look at it in that respect, I guess you can expect these anomalies. The days of the "call and response" feel of an automatic transmission are essentially gone- or until they perfect this technology in heavy cars, like the JGC. These same transmissions are prevalent in many European sports cars, but those cars are lighter, sport-tuned, etc.

According to the service manager at my dealership, he strongly feels that this transmission is the wrong transmission for the JGC. And I would have to agree with him.




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  #36  
Old 08-08-2015, 12:36 PM
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Re: Grand cherokee2015 gear issue

Let me clarify what I wrote:

The service manager said that the transmission has "too many gears and it gets confused" depending on certain driving conditions.




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