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Unread 12-23-2013, 10:16 AM   #31
atc1989
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2014 WK 
 
Join Date: Dec 2012
Location: Boston, MA
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So what is the consensus on the transmission now? I just factory ordered the 2014 GC Limited v6 this past Saturday. I'm hoping Chrysler won't be using any of these malfunctioning components in future builds.

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Unread 12-23-2013, 10:49 AM   #32
NC4stroker
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Quote:
Originally Posted by atc1989 View Post
So what is the consensus on the transmission now? I just factory ordered the 2014 GC Limited v6 this past Saturday. I'm hoping Chrysler won't be using any of these malfunctioning components in future builds.
I have an 11 V6 GC, had a hemi 13 GC, and also have a 14 diesel GC (V8 tranny) No issues with any of them. Though the 13 V8 tranny would seem to have a little "slack" in the system, and this would give you a "slip and a hard start" occasionally. Never had it checked out, as we were trading for the 14 diesel.
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Unread 12-23-2013, 10:49 AM   #33
loveracing1988
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Quote:
Originally Posted by atc1989 View Post
So what is the consensus on the transmission now? I just factory ordered the 2014 GC Limited v6 this past Saturday. I'm hoping Chrysler won't be using any of these malfunctioning components in future builds.
There is nothing mechanically wrong with the transmission. It is just software issues.
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Unread 12-23-2013, 10:54 AM   #34
TurboRush
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For the 100k+ that are out there it seems to fall in line with anything else in manufacturing, most are fine, a small # have some sort of mechanical issue out of the gate.... software fixes are coming along for shifting, while not ideal at least you know Jeep is working on it (although not everyone has an issue with the shifting in the v6 and many have said it was vastly improved with the last software update).

atc1989 - your Jeep will probably have the latest and greatest software transmission software was released just a couple days ago as well. When you get it keep in mind it is an adaptive transmission and may take 500 - 1000mi in extreme cases to learn your driving habits and adjust shift patterns accordingly. Some even go as far as to recommend disconnecting the battery right away and letting it sit for 20 - 30 minutes so you get a fresh start.
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Unread 12-23-2013, 11:09 PM   #35
atc1989
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Quote:
Originally Posted by TurboRush View Post
For the 100k+ that are out there it seems to fall in line with anything else in manufacturing, most are fine, a small # have some sort of mechanical issue out of the gate.... software fixes are coming along for shifting, while not ideal at least you know Jeep is working on it (although not everyone has an issue with the shifting in the v6 and many have said it was vastly improved with the last software update).

atc1989 - your Jeep will probably have the latest and greatest software transmission software was released just a couple days ago as well. When you get it keep in mind it is an adaptive transmission and may take 500 - 1000mi in extreme cases to learn your driving habits and adjust shift patterns accordingly. Some even go as far as to recommend disconnecting the battery right away and letting it sit for 20 - 30 minutes so you get a fresh start.
Thanks for the info. I'll keep the adaptive transmission in mind when I start driving it.
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Unread 12-24-2013, 08:11 AM   #36
diesel_dice
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Quote:
Originally Posted by Qmulus
Well, I believe that the 8HP70 used in the V8 is built at ZF's new transmission plant in Gray Court, SC, and the 845RE used in the V6 Grand Cherokees is made at the Chrysler transmission plant in Kokomo, IN. So, both are US made, although Chrysler buys the 8HP70 and makes the 845RE. Here is some good information: http://www.allpar.com/mopar/transmissions/ZF8.html
My window sticker says the transmission was made in Germany. I have a 2014 GC diesel.
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Unread 12-25-2013, 10:51 AM   #37
fun2drive
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That is because on the 5.7 and 3.0 CRD you have the ZF 8spd. The 3.6 is also an 8 spd with a ZF design but being built by a 2nd source not ZF using ZF specs...
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Unread 01-03-2014, 09:44 AM   #38
chickdr
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My ex just picked up a 2014 V6 Overland Monday night. She called me yesterday on the way home from work saying the truck was driving strangely- engine revving loudly, but not moving as fast as it should. Check engine light was on as well. I had her stop and turn the car off to try and reset the issue, but it continued. She was able to limp home, but when she wanted to leave the car would not go into reverse or drive. She had to have it flat bedded to the dealer. Under 300 miles on the clock. I thought her 2007 Audi Q7 was bad, but it never left her stranded. She wants her Audi back.

UPDATE: The dealer came through and gave her another car they had on the lot(just so happened they had two identical trucks). I hope this one doesn't suffer the same fate, but I figure it isn't likely. Hats off to Ed Voyles Jeep in Marietta, GA .

Last edited by chickdr; 01-03-2014 at 05:55 PM..
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Unread 01-04-2014, 09:21 AM   #39
TurboRush
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I wouldn't write it off just yet. I've mentioned it before I had a car eat a rear diff at 3k, from a brand that doesn't have the highest reputation for quality. 7 years later it's been the most reliable car I've ever owned, it gets tracked regularly, beaten on, and runs a lot more power than stock and it hasn't been back to the shop except for maint or upgrades.
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Unread 01-05-2014, 07:56 AM   #40
redsport
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Just an update on mine, we are at 8895 miles now with no other problems. I got the then latest software update in October or November and didn't really notice any difference in the transmission's performance. I automatically switch it out of Eco mode every time I drive.
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Unread 01-05-2014, 09:11 AM   #41
loveracing1988
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Quote:
Originally Posted by redsport View Post
Just an update on mine, we are at 8895 miles now with no other problems. I got the then latest software update in October or November and didn't really notice any difference in the transmission's performance. I automatically switch it out of Eco mode every time I drive.
The updates are supposed to help eco mode so that would be why you haven't noticed anything.
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Unread 01-05-2014, 09:36 AM   #42
redsport
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Quote:
Originally Posted by loveracing1988 View Post
The updates are supposed to help eco mode so that would be why you haven't noticed anything.
I ran it in Eco mode after the update and didn't notice a difference. I am not overly concerned with the gas mileage and prefer the more responsive nature of the transmission when not in Eco mode.
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Unread 01-06-2014, 09:38 AM   #43
chickdr
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Eco mode stinks. Noticeable decrease in performance. No idea why anyone would ever use it.
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Unread 01-06-2014, 09:45 AM   #44
eerattler
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Quote:
Originally Posted by chickdr View Post
My ex just picked up a 2014 V6 Overland Monday night. She called me yesterday on the way home from work saying the truck was driving strangely- engine revving loudly, but not moving as fast as it should. Check engine light was on as well. I had her stop and turn the car off to try and reset the issue, but it continued. She was able to limp home, but when she wanted to leave the car would not go into reverse or drive. She had to have it flat bedded to the dealer. Under 300 miles on the clock. I thought her 2007 Audi Q7 was bad, but it never left her stranded. She wants her Audi back.

UPDATE: The dealer came through and gave her another car they had on the lot(just so happened they had two identical trucks). I hope this one doesn't suffer the same fate, but I figure it isn't likely. Hats off to Ed Voyles Jeep in Marietta, GA .
Ed Voyles is a classy dealership. I used to get my Jeep serviced there all the time when I lived in Marietta.
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Unread 01-10-2014, 11:37 AM   #45
mindanalyzer
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diesel too?

Will I be safe from these problems (or likely) if I buy the diesel with the 8HP70 trans?

ps: I currently drive a 2013 Acura RDX

Last edited by mindanalyzer; 01-10-2014 at 12:26 PM..
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