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Old 05-26-2014, 03:39 PM   #1
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AI steering vibration at over 60 mph

Hi,
My 2014 AI ext has about 8k miles and recently I have been noticing vibrations in the steering when I go over 60 miles per hour( specially on a level straight highway). The vibrations were most around 68mph. We took it to the MB dealer and they did a wheel balance/tire rotation but the problem never went away. Actually I wasn't sure how they did the wheel balancing because i was told by AI dealer that we need to be doing "force balancing" and when we told that to the MB dealer, he didn't know what we really talking about( at least at first).

We took the AI to the MB dealer second time for the same problem. After checking it a little, we were told that this is how the big vans drive and the steering vibrations after 60mph is normal. He added that these vans are not really meant to go over 60/65.

But I haven't really noticed this much vibrations during the first few thousand miles.
Do you guys agree with the dealers explanation? Has any one else had this problem and found a solution for it?
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Old 05-26-2014, 03:44 PM   #2
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We have a slight vibration in the same range. Just about the time I decide I am going to have the balance checked, it goes away. Really seems to be dependant on pavement AND speed. I am just going to watch this for awhile.
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Old 05-26-2014, 03:44 PM   #3
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We have a 2014 Ext Interstate with just over 10K miles. We have experienced no front end vibration and we tend to travel up to 73 MPH on interstate highways.
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Old 05-26-2014, 03:46 PM   #4
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Hi, sounds like a bad/poor wheel balance to me; Especially at that speed.
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Old 05-26-2014, 03:46 PM   #5
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I usually run 65-70, but did "accidently" find myself at 80mph in Texas. It was smooth as my Mercedes car.
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Old 05-26-2014, 03:55 PM   #6
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My 2012 Interstate (2011 Sprinter) has no noticeable vibration at any speed up to 75mph (the speed limit on I-49 in Louisiana). That was true before I installed the Koni red struts as well as after.
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Old 05-26-2014, 04:58 PM   #7
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I've never noticed any steering vibration in 30K miles. However my front tires did develop outer edge wear due to improper alignment from factory. They set alignment on empty van in factory. Then Airstream adds all that weight which changes geometry. Dealer asked me to bring it in with full normal weight so they can set alignment correctly.
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Old 05-26-2014, 05:04 PM   #8
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I got mine w/ about 4K miles on it and it had a vibration at 60-65. Took it back to the dealer and they rebalanced front wheels which fixed the problem.

I'm calling BS on what the dealer said about not going over 60. If they truly did a road force balance and it still vibrates, it might be something else like U-joints or driveshaft carrier bearing.
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Old 05-26-2014, 07:25 PM   #9
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I agree with what everyone has posted here. I have 11K miles on my 2013 with no vibrations from 0 to 80 mph. I also experienced outside front tire wear, and my dealer aligned it for me under warranty. I'm not sure how true this is, but my dealer said that the factory doesn't even align these vehicles; that they just put them together according to mfg specs 😱
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Old 05-26-2014, 07:37 PM   #10
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Oh, and regarding alignment, there was a post here not too long ago discussing how the alignment should be set to as close to 0 degree camber as possible vs the factory recommended positive 1.0 to 1.5 degree for AIs.
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Old 05-26-2014, 09:00 PM   #11
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Take it back and have them fix the damn thing right. 20,000 on my new AI with no vibrations at all. You paid LOTS of money for this van have them fix it properly.

Joe
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Old 05-26-2014, 09:22 PM   #12
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It's a tire problem, and the warranty for the vehicle probably excludes tires, deferring to the tire manufacturer. I'd take it to a Michelin/Goodyear/Continental dealer, and see what they say. If there is a bad tire, perhaps they will replace it.
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Old 05-26-2014, 09:28 PM   #13
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The good news is there is nothing wrong with your van. The statement that these vans are not meant to run over 60 is complete nonsense! In my opinion the problem is the factory tires. Mine has had the same vibration and a spin balance will improve the situation for a time but chances are the tires are not perfectly round. They will have imperfections that cannot be balanced out. I have experienced this on multiple vehicles and the solution for me has always been the same. Find the best suited Michelin tire for the vehicle and most likely your problem will be solved. I'm getting ready to order two for the front of mine this week. I know there have been a few members on here that have switched theirs out already, maybe they will chime in and let us know how they are working out.
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Old 05-26-2014, 09:30 PM   #14
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Some dealers are good with tire work and some are not. From what you have told us, I would say your dealer is not. I would recommend finding a local tire store that has good customer service and pay them to balance your front tires. The $20 to $50 you pay them will be well worth the aggravation you will be avoiding by not dealing with a dealer that's proven that they don't know what they are talking about. Road force balancing is useful when you have a problem tire though it's not strictly necessary. The MB dealer may not have a road force balance machine as it is more of a specialty tool that is common at tire dealers. When I got my 2012 almost three years ago it did have a slight vibration at highway speed. I had a friend at a tire shop balance the fronts for me on his NON-road force balance machine and it cured it. It was smooth as glass all the way till the governor kicks in at 85mph.
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