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  #49  
Old 05-22-2012, 10:03 PM
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Re: Transmission Shudder

I have an '05 WK with 3.7L V6 and it is also doing this. I discussed with a mechanic friend and he had a friend with an '05 doing the same thing(not sure on the engine).
Anyway, he just told me that his friend found the problem to be in a "gear" between the tranny and the transfer case. His friend replaced the gear and the problem went away.
I can't verify this but my friend has an awesome reputation as a mechanic nor can I verify that this is the same problem that any of us are having, however I am going to get a diagram of the transmission and try to verify what part he was referring to.....(more to follow)
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  #50  
Old 06-01-2012, 09:33 PM
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Re: Transmission Shudder

I have a 2012 Overland 3.0 Diesel with the 5 speed auto having the same shudder issues. Very noticable on inclines when accelerating from 55 to 65 mph. Looks like a call to the local dealer is on the cards. Not optimistic on a fix though.
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  #51  
Old 06-01-2012, 09:45 PM
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Re: Transmission Shudder

My MY11 GC has a significant transmission shudder under light load going up hill. An eight speed transmission would be a big plus!
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  #52  
Old 06-25-2012, 10:11 AM
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Re: Transmission Shudder

Add my dad's 2012 Limited Hemi to the list as well with only 3K miles... Do you all have the quadra drive 2 option as well?
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  #53  
Old 07-07-2012, 02:41 AM
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Unhappy Re: Transmission Shudder

Damn, now MY 2011 overland summit hemi is starting to shudder... I thought I might have escaped it but noooo! I recently started driving 80 miles a day on the freeway and have really noticed it and I am getting sea sick from it. grr! Who has time for this BS?!!! Not me.
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  #54  
Old 07-08-2012, 04:26 PM
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Re: Transmission Shudder

So i am a little worried about this issue, i ordered a 2012 Summit 5.7, and i am not too sure i want to take delivery of it after reading all this. I am really picky, and this kind of thing would drive me nuts.
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  #55  
Old 07-08-2012, 09:06 PM
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Re: Transmission Shudder

Took my 2011 Limited, hemi 4x4 to dealer for 16000 miles server and explained the shudder to him. They did many software updaters and now I can safely say the shudder is gone. Only software update info i have is the number listed on the invoice not sure it that will help. He did say the update just came out a few weeks ago and they had not seen it before. He said the system keep updating one update after another then finally the last update.
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  #56  
Old 07-09-2012, 03:11 AM
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Re: Transmission Shudder

BioTech,
Any chance you can post the TSB number please.

Cheers
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  #57  
Old 07-09-2012, 08:59 AM
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Re: Transmission Shudder

When i get a chance i will find the dealer ticket and get all the info for everyone.
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  #58  
Old 07-09-2012, 11:52 AM
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Re: Transmission Shudder

The invoice says 181906L9 reprogram the pcm. I thought it had a tab or program file number sorry,
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  #59  
Old 07-15-2012, 08:39 AM
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Re: Transmission Shudder

I have a 2011 summit 5.7L, I have had it for over a year, bought it in April 2011, and I am transferring from the east coast to the west coast.
I bought a trailer and it was my first time towing with my jeep. I am only towing around 4000 lbs. and the shudder is so bad that I can barely see straight. I used the tow/haul mode so that couldn't be it. When I drive it around without towing anything I don't have an issue, it is only when I am towing. The shudder goes away under heavy acceleration and is less when doing 70mph and higher. has anyone had this issue only when towing?
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  #60  
Old 07-15-2012, 11:59 AM
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Re: Transmission Shudder

I would think this has more to do with MDS system than the trans... GM truck owners report the same issue with the 5.3L V8 and Active Fuel Management.

First thing I would do is disable MDS...

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