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Old 07-14-2015, 02:00 PM   #1
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Extended Vibration After A Road Bump @ 45 MPH

When traveling between about 42 and 45 MPH, when I hit a bump the coach vibrates for and extended time - a second or two. At other speeds a bump is a bump - thump and gone. Tires are new, resent alignment and new sway bar bushings. Is this extended vibration because I'm at a point of resonance or should I be looking for another cause?

Comments and suggestions appreciated.
Duke.
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Old 07-14-2015, 02:04 PM   #2
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What year and type of motorhome do you own? It could be as simple as the "Ford Death Wobble".


Did the vibration occur before the new tires were installed?
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Old 07-14-2015, 02:04 PM   #3
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What is your coach mfg and chassis? My first thought is check your air bags if you have them. But if you provide more information on your specifics there is a lot of help on this forum. I would recommend adding your information to your signature or profile.
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Old 07-14-2015, 03:27 PM   #4
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My RV is a 2004 Class A, Hurricane by Thor, less than 35,000 Miles, no air bags.
I just started driving an RV and only drove a total 50 miles during the three trips to have the maintenance work done.. I was too intent on staying on the road to notice much of anything at that time. I have since driven on a couple of short trips; this is when I became aware the vibration.
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Old 07-14-2015, 04:40 PM   #5
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Ford suspension 'Death Wobble'
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Old 07-14-2015, 10:03 PM   #6
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What does that mean?
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Old 07-15-2015, 08:42 AM   #7
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Didn't realize the post was a link.... Thanks
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