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  #13  
Old 11-07-2012, 12:55 PM
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Re: v6 drive train vibration

FWIW, my 2012 has this too. I don't really notice it on accelleration from a stop while going straight. Accellerating from a stop while turn left it is pretty noticable. Any news on this?
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  #14  
Old 11-23-2012, 05:04 PM
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Re: v6 drive train vibration

I have this same problem but not on take off, I get it at speeds between 50-55 it's really bad if there is a slight incline. Any clues what could cause this?
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Old 11-28-2012, 09:53 AM
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Re: v6 drive train vibration

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Originally Posted by COnative View Post
FWIW, my 2012 has this too. I don't really notice it on accelleration from a stop while going straight. Accellerating from a stop while turn left it is pretty noticable. Any news on this?

I have noticed the same thing you descrided....

taking off from a full stop with the wheel locked to the left. and usually when I have noticed this the car was not not at operating temperature yet meaning the water temp gauge was not at the halfway point yet.

It it not constant just under those conditions but I can repeat it consecutively by locking the wheel to the left and accelerating lightly or vigoriously.

It feels as if the car decided to take off in second gear instead of first.

I think it is a TCU mapping issue I just hope they acknowledge that is exists and they find a fix for it whether mecanical or electronic.
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Old 01-25-2013, 10:12 AM
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Re: v6 drive train vibration

I filled up with migrade fuel (87 octane) and the problem disappeared. I believe I might have put regular fuel (85) in it the last time I filled it up, so maybe that had something to do with it. I just checked the manual and it says 87 octane.
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Old 01-25-2013, 04:14 PM
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Angry Re: v6 drive train vibration

I purchased my Overland in Oct. 2010 and have had this same problem since then. The dealer just installed a new "rear Drive Shaft" and most of the vibration is gone. I still have the shutter when turning left from a stopped position. My main gripe is a "Cyclical Rumbling noise that starts at 49mph and goes away at 60mph. The dealer is still working on this. I'm giving up on this one and ordering a 2014 tomorrow morning.
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I filled up with migrade fuel (87 octane) and the problem disappeared. I believe I might have put regular fuel (85) in it the last time I filled it up, so maybe that had something to do with it. I just checked the manual and it says 87 octane.
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Old 02-17-2013, 02:16 PM
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Re: v6 drive train vibration

The vibration went away for about a week and now it's back. I'm sick of taking it to the dealership because 90% of the time, I get "could not duplicate" or when I drive them around they can't hear/feel what I'm seeing. I hate how the TC locks up during low speeds resulting in a neat rattle from the engine because it's now lugging at 1K RPM. Then slightly depressing the gas pedal and it downshifts and unlocks the TC and the process repeats. I have two 20mph school zones I drive through every morning and the way this thing runs at slow speeds is just pathetic. I especially hate when I have to slow down for someone turning and then go to speed up. It downshifts and a nice rumbling/shuddering vibration till it upshifts. I think all the problems stem from a bad/faulty TC but getting the dealership to acknowledge there is a problem is like pulling teeth.
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Old 02-17-2013, 05:02 PM
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Re: v6 drive train vibration

When I first purchased my Overland I was very unhappy with the transmission. It didn't seem to want to go when taking off from a stop. It would start to move normally then "bog down-hesitate" until I was forced into stepping down harder on the accelerator to get it to move. After about 6 months the factory came up wiyh a cure and there is a "TSB" on this issue. The dealer flashed the computer and boy, what a difference. It does not seem like the samp Jeep. They never did find the cause for the noise between 50-60MPH. I was going to order a new Jeep Summit but Choose a new Ram Laramie Longhorn Pickup instead. It is scheduled to be built on 2/22/13. I hope the above info is helpful to our members that may have the same transmission symptons.
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Old 02-18-2013, 12:13 AM
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Re: v6 drive train vibration

Gary, do you happen to have the TSB number for that computer flash? Thanks.
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Old 02-18-2013, 12:24 PM
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Re: v6 drive train vibration

yeah, gary47, any info regarding the tsb would be helpful. I am not able to find it on the current list of tsbs.

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Old 02-18-2013, 01:02 PM
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Re: v6 drive train vibration

My 11 V6 has it as well. A dealer noticed it while test driving. It's rather annoying and is more obvious with a cold start and go.
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Old 02-18-2013, 02:27 PM
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Re: v6 drive train vibration

Quote:
It would start to move normally then "bog down-hesitate" until I was forced into stepping down harder on the accelerator to get it to move.
Mine has this as well. It's not as irritating as the shudder/vibration though. But if this new program fixes both, i might actually enjoy driving this thing.

BTW, I only have about 2500 miles on mine and I've owned it since June 2012. The problem seemed to show up around 1500 miles.
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Old 02-18-2013, 04:20 PM
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Re: v6 drive train vibration

The following is what you need to give to your dealer: TSB 18-012-11 and the title of this tsb is: TCM & PCM up-date. As I said, my jeep does not have any hesitation anymore! It felt like an entirely different Jeep after they performed the up-date. This was done a little more than 1 year ago. I hope this helps.
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