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  #13  
Old 10-04-2011, 03:39 PM
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Re: Vibration at 68 to 73 mph

Ill check and see how many weights ate on my rims tonight but I really think its somtjing bigger than tire balance. There are just too many people with the same issue.
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Old 10-09-2011, 07:57 PM
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Re: Vibration at 68 to 73 mph

I have had a similar issue on my 2011 Overland 20" wheels. The dealer checked the balance last week. They reported that the balance was "ok" but there was a tsb regarding dampening that might apply. They ordered the part and will install it next week. The part seems to attach to the drivetrain and dampens the vibration. If this works, great. If not, I'll try the rebalancing/180 degree trick. Thanks for the information
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Old 10-09-2011, 11:42 PM
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Re: Vibration at 68 to 73 mph

After having mine balanced 3 times the vibration seems to be gone for now. I had them road forced on a hunter gps 9700 last time and it seems to have taken care of it.
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Old 10-13-2011, 10:29 AM
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Re: Vibration at 68 to 73 mph

Took my 2011 Grand Cherokee Laredo in for the same vibrations. They are looks like they are going to do some warranty replacement of the front axle isolator. Which they said was an all day job.
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Old 10-13-2011, 12:41 PM
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Re: Vibration at 68 to 73 mph

Please let us know if this resolves the issue.
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Old 10-13-2011, 01:29 PM
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Re: Vibration at 68 to 73 mph

They just ordered the part and think it will be in by Tuesday next week. So we will see
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Old 10-13-2011, 02:11 PM
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Re: Vibration at 68 to 73 mph

Let us know if that fixes the issue. I had mine in twice now which all the did is re-balanced them. Still didn't fix my problem.
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  #20  
Old 10-20-2011, 10:11 AM
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Re: Vibration at 68 to 73 mph

Its at the dealer today. Its a full day job and they don't offer a loaner for warranty work that is going to take all day. That kinda sucks.
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Old 10-21-2011, 05:42 AM
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I don't drive at highway speeds very often and the dealer is 20 mi away so I don't have the time or incentive to take it in enough to get them to diagnose/fix it. It was raining the day I got my oil changed so they refused to test drive it :-( Not sure when I'll be back.

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Old 10-21-2011, 07:29 AM
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Re: Vibration at 68 to 73 mph

Got it back last night and still the same. Around 65-75 I still get a vibration. Couple of other points to mention is that I only feel the vibrations.

I know the vibrations are still there because once I get out of the vehicle my leg feels weird that its numb. I cant describe this too well but its like if you were in an earthquake and it stops but you still feel a vibration/shaking feeling.

Just spoke with the service rep and he stated they don't test drive past the speed limit so there is no way they could've tested this. WTF
The service rep stated before they did the repair the technician was able to feel the vibrations at lower speeds.
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Old 11-09-2011, 02:02 AM
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Re: Vibration at 68 to 73 mph

Has anyone actually found a fix for this issue? My dealer is happy to fix it but they don't know the cause.
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Old 11-09-2011, 08:09 AM
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Re: Vibration at 68 to 73 mph

First off, I bought my Wk2 as a program vehicle so it had ~20K on the clock upon delivery. My vibration issue was strictly a tire balance issue. Simply rotating the tire 180 on the wheel won't solve it. Normal balancing only reduces the "static" harmonics from the tire/wheel assembly. Match mount balancing can help you fine tune the mating of the tire/wheel assembly in an attempt to lower the static imbalance that of the assembly. Road force balancing will actually determine how much "force" a tire exerts onto the road surface. The greater the static/road force values, the deeper it can travel through the chassis. You could have a perfect static balance and say 35lbs of road force on just one tire and you would definately notice a vibration in our Wk2's regardless if you are running on 18's or 20's. On another note, just because the machine says the asembly is within limits doesn't mean it is. Balance machines require regular calibration for them to produce satisfactory results.

With the factory 18's Latitudes (these are junk IMO), I had this exact vibration. I travel the same stretch of road everyday. First I verified the static balance was within limits and it was. Next, I checked road force and I had 3 tires that had over 35lbs of road force and one tire with 12lb of road force. Once we hit the first one with high RFV, it visibly was shaking the safety hood and the monitor attached to the balancer! Immediately snatched the Latties off and installed MS2's. Right off the bat, I had two of the brand new MS2's with over 38lb of road force. Finally got a full set with extremely low force values (under 30lbs total!) for the whole set which is very rare even for Michelin. After all this crap and spending countless hours on the balance machine, my Jeep finally rides like I would expect it should. The last thing was dialing in the air pressure. On these vehicles, only a few PSI can make a difference in comfort.

I will say that I love road feel in any vehicle, but I think that the engineers went a bit overboard on some of the rigidity of the suspension on our Wk2's. For starters, the caster angle is very high/ positive for a suv. Whenever I can get some spare time, I'm going to take some of the caster out of the front and see if I can make the steering a lil less sensitive. I'm still waiting for another Wk2 to come in with ride quality complaints so I can experiment with steering angles first.
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