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View Poll Results: Does your 2014 GC shimmy?
Yes - I have 20" wheels 62 41.61%
Yes - I have power telescopic steering column 47 31.54%
Yes - I have the V8 26 17.45%
Yes - I have the V6 54 36.24%
No - I have the V6 38 25.50%
No - I have the V8 19 12.75%
No - I don't have a power telescopic steering column 10 6.71%
No - I don't have 20" wheels 25 16.78%
Multiple Choice Poll. Voters: 149. You may not vote on this poll

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  #49  
Old 09-04-2013, 03:27 PM
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Re: 2014 GCs that have steering shimmy over 60MPH

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Originally Posted by 3percenter3 View Post
After about 700 miles, a road trip and normal daily driving, I am happy to report that 95% shimmy/vibration has not returned. That said, I'm not really sure about the other 5%. Prior to the fix the vibration was so bad I really wanted to crash this thing so maybe taking 95% of it away makes the 5% acceptable in my mind. I guess everybody has a context in which they think about the vibration and it might be worse for some than others but I know mine was the worst I've ever felt in any vehicle (not to mention for the price) regardless of problems or circumstances... It was very reminiscent of a lightly washed out dirt road with the washboard feel above about 70mph to the point where the wife and I were actually car sick for a day after a long road trip.

That said, i'm not sure how much a Cadillac vibrates on the roads I drive but I can say that the GC is now within an acceptable level in my mind. I really think the highways around here are just rough, as almost all of them are marked 55-65mph and we all do between 70-80... but i'm no engineer, perhaps that has nothing to do with it.

I thought originally about putting a cup of water in the cupholder and videoing/youtubing the ripples to give everyone some context (which might not be a bad idea for those of you still suffering from the problem) which I might still do if other want to do some comparisons.



Yup, Tried that before I took the GC to the dealer. I tried all the way down to 28psi and made no difference from 40 to 28 psi. In fact it made astonishingly little difference. I, like you, thought that might at least alleviate some of the shimmy because I was on a road trip and had gotten to the point where I was close to going insane from the shimmy.


I have the Tow package, air suspension, 20"s and Factory Forteras. IMHO the root of the problem lies in the 20" forteras. However you may make a good point that perhaps these options may degrade or enhance the vibration depending upon what options you have... Or maybe i'm just extrapolating to much
Great to hear. Trust me, at this point a 95% decrease in the vibration would be good enough for me.

I have tried under and over inflating the tires (all the way from 30psi to 50psi )and no change in vibration. I do like the idea put forth above about taking a video of the steering wheel while driving. You would be amazed at how much it shakes at times.

Mine is a 2014 Limited, with tow package and 20" wheels / Fortera tires.
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  #50  
Old 09-04-2013, 03:41 PM
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Re: 2014 GCs that have steering shimmy over 60MPH

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Originally Posted by GRB1 View Post
Great to hear. Trust me, at this point a 95% decrease in the vibration would be good enough for me.

I have tried under and over inflating the tires (all the way from 30psi to 50psi )and no change in vibration. I do like the idea put forth above about taking a video of the steering wheel while driving. You would be amazed at how much it shakes at times.

Mine is a 2014 Limited, with tow package and 20" wheels / Fortera tires.
My steering wheel used to shake terribly also and I could see it very well in the paddle shifters area of the wheel (like left and right really fast). Now none of that. The only thing that is visible or that shakes is the passenger side seat belt (when i'm driving alone) vibrates a little bit... you can see it move just slightly up around 75-80mph but it's nothing i'm ready to complain about or that I could really even notice if I hadn't been looking for it.
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  #51  
Old 09-04-2013, 06:39 PM
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Re: 2014 GCs that have steering shimmy over 60MPH

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Originally Posted by 3percenter3 View Post
My steering wheel used to shake terribly also and I could see it very well in the paddle shifters area of the wheel (like left and right really fast). Now none of that. The only thing that is visible or that shakes is the passenger side seat belt (when i'm driving alone) vibrates a little bit... you can see it move just slightly up around 75-80mph but it's nothing i'm ready to complain about or that I could really even notice if I hadn't been looking for it.
Funny you would mention that about the paddle shifters. I bet mine jump up and down a 1/4 inch each way.
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  #52  
Old 09-04-2013, 10:01 PM
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Re: 2014 GCs that have steering shimmy over 60MPH

The cup of water is a great idea. I used my water bottle to illustrate to the dealer service techs it isn't just the steering wheel that shakes, the whole vehicle feels it it is on the high speed spin cycle. The service manager thinks there may be something to the options. His theory is that it is the power steering column. Could be, I'm not aware of anyone posting a note of a shimmy in a 2014 Limited without the power steering column or a Laredo. I hope someone could prove that wrong.
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  #53  
Old 09-05-2013, 07:31 AM
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Re: 2014 GCs that have steering shimmy over 60MPH

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Originally Posted by shewstring View Post
The cup of water is a great idea. I used my water bottle to illustrate to the dealer service techs it isn't just the steering wheel that shakes, the whole vehicle feels it it is on the high speed spin cycle. The service manager thinks there may be something to the options. His theory is that it is the power steering column. Could be, I'm not aware of anyone posting a note of a shimmy in a 2014 Limited without the power steering column or a Laredo. I hope someone could prove that wrong.
Mine does not have the electronic telescoping steering wheel...
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  #54  
Old 09-05-2013, 07:56 AM
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Re: 2014 GCs that have steering shimmy over 60MPH

Eight times to the dealer , steering vibration still there . I also have taken it to a independent shop that re-balanced all four tires and check alignment , I wanted to see what the caster was . A vehicle with a lot of negative caster can cause vibration.
I am also curious about bump steer when hitting a pot hole or a patch in road , do any of you that are experiencing vibration also have the bump steer effect?
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  #55  
Old 09-05-2013, 08:27 AM
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Re: 2014 GCs that have steering shimmy over 60MPH

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Originally Posted by bobh View Post
Eight times to the dealer , steering vibration still there . I also have taken it to a independent shop that re-balanced all four tires and check alignment , I wanted to see what the caster was . A vehicle with a lot of negative caster can cause vibration.
I am also curious about bump steer when hitting a pot hole or a patch in road , do any of you that are experiencing vibration also have the bump steer effect?
I did somewhat before having the tires properly balanced. But then again the steering wheel was shaking so badly that any interruption in the harmonic just exacerbated the vibration upon recovery and caused what I believed to be bump steer. That said, the tires were so out of balance that I even felt what seemed like alignment issues. The steering was pulling to the left and I had to constantly compensate by pulling right. The dealership never did any alignment work so I'm left believing that the problem was solely the balancing of the tires. Not sure if that helps or just presents more questions but... Yeah.
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  #56  
Old 09-05-2013, 09:14 AM
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Re: 2014 GCs that have steering shimmy over 60MPH

Do you still have the Goodyear Fortera's on the car?
We have tried other wheels in 18" and 20" off of new Jeep Grand Cherokee's and the result is always the same
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  #57  
Old 09-05-2013, 09:20 AM
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Re: 2014 GCs that have steering shimmy over 60MPH

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Originally Posted by bobh View Post
Do you still have the Goodyear Fortera's on the car?
We have tried other wheels in 18" and 20" off of new Jeep Grand Cherokee's and the result is always the same
Yes, Factory 20" wheels and Factory Goodyear Forteras. I put around 2k miles on the tires before it got to the point where I refused to drive it. Truthfully, I did go off road a couple of times in light mud and things did get worse but... I did feel the vibration from the dealer lot. Now its as good as I would expect from the factory. I haven't been back in the mud since but... perhaps I will just to test this theory.
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  #58  
Old 09-05-2013, 09:33 AM
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Re: 2014 GCs that have steering shimmy over 60MPH

when I test drove the Jeep before I purchased it I never drove it over 45 mph . When I picked it up the first day and drove at 55 mph the brake rotors were warped so bad I didn't realize there was another issue . The Jeep went back to the dealer first thing the next morning .
I am trying to get them to do a buy back . I don't want another one . I have checked every rotating part in the front end for run out and cant find the issue .
The last set of tires were the best , this set is worse .
I have really had enough . I should have kept the car I traded in
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  #59  
Old 09-05-2013, 10:51 AM
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Re: 2014 GCs that have steering shimmy over 60MPH

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Originally Posted by bobh View Post
when I test drove the Jeep before I purchased it I never drove it over 45 mph . When I picked it up the first day and drove at 55 mph the brake rotors were warped so bad I didn't realize there was another issue . The Jeep went back to the dealer first thing the next morning .
I am trying to get them to do a buy back . I don't want another one . I have checked every rotating part in the front end for run out and cant find the issue .
The last set of tires were the best , this set is worse .
I have really had enough . I should have kept the car I traded in
I know the feeling. I Traded in my weekend car, an 09 Corvette Z06 for my jeep. I have thought several times how I wish I hadn't. I've had stereo/nav issues (which I fixed my self with the help of this forum) in addition to the vibration issue we're discussing here... But all in all I do like the jeep, I'm just a little disappointed at Chrysler's quality especially considering the price tag ($50K+). I feel really bad for those of you who have recurring unsolved issues, that's a real downer. I'm told that Chrysler's warranty process will get a proven problem taken care of (if you're willing to wait that long) but its a shame that any of us have to deal with it. Every time I hear about a problem with Chrysler quality I can't help but remember that news article where it showed all of those Chrysler union workers who were drunk and high on the job and they were allowed to keep their jobs and carry on as usual. I guess the saving grace is the service people at the dealerships aren't like that, but you always have to deal with a dealership who doesn't want to do warranty work because it cuts into their pocket or time or whatever. It's just a shame all around... But I digress
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Old 09-10-2013, 03:44 PM
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Re: 2014 GCs that have steering shimmy over 60MPH

Bobh, I get the same feeling as yours with significant bump steer. I had 5 visits to the dealer to look at this issue including (2) visits from the Field Service Engineer with the vibration analyzer. So far, still battling this. Is your Jeep equipped with the 20" wheels and power tilt/telescoping column? I know the last post stated they had the vibration as well and did not have the power column. The dealer and Chrysler seem convinced it stems from something in the power column, but they don't know what yet. Seems to be some with the vibration that is fixed with a good balance and others that must have something else wrong with them (like mine). I've had the road force balance down to zero #s, swapped with 6 different sets of wheels/tires, all produce the same result.
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