I had Michelin on the car when I bought it, and I changed to 4 new Michelin as part of numerous things trying to get rid of the shimmy. I also changed all the wheels and tires from my other M.B. with no effect.
On Tue, Dec 17, 2013 at 12:26 PM, ernest breakfield < erne...@backyardengineering.org> wrote: > tires can be out of round and/or out of true and still be balanced. these > "perfectly balanced" tires will still give you vibes. > (i once bought 5 wheels and tires off of a friends new J**p just to > get the wheels, only to find that only 2 of the brand-new original low-end > Goodyears on them were round and true; there was no way to put any 4 of > those on the ground without getting shimmy, shakes and/or vibes.) > > what kind of tires did you have on there when this was first noticed? > and what kind of tires do you have on there now? > > sounds like you already know you have at least one tire (on the rear) > that's out of round; i'd suspect that since you feel the vibes in the > steering wheel you also have one (or more) that's out of round and/or out > of true on the front. > get them up in the air and watch both the tires and the wheels while > they spin to see i they even spin roundly and without any side-to-side > wiggling. > > > cheers! > e > > On 17/Dec/13 05:47, Ralph Robertson wrote: > >> This topic made me resurrect my vibration/wobble problem with my '87 >> 300SDL. Ever since I bought this car, I have had this problem and 5 years >> later I still have it. I have replaced everything I can think of in the >> drive train and still have the shimmy. Although it seems a lot better >> than >> original, and it should be! Is there anything in the diferential that >> could cause this? Even had the rear half axles replaced. My latest >> effort, the mechanic made some adjustments to the torgue for the rear >> axles >> and suggested it may have a differential issue. Is there a possibility a >> previous car accident may have caused this? I am rather frustrated at >> this >> minor shimmy after putting all this money and effort into this, but it >> still shakes the steering wheel at speeds above 55mph, very smooth below >> this speed. >> "parts addressed"; rear sway bar links., rear axles, drive shaft >> balanced,all flex discs, s-support, rubber mounts, motor >> mounts,tires,wheel >> balances,rear springs, transmission output shaft bearing. >> The shake can be felt in the steering wheel, just like wheel balance. >> Starts around 55mph, slakens off around 60, then comes back about 65 and >> seems to come and go at all speeds above that. Was quite strong, but now >> a >> minor shake but still aggravating on a long trip. Tires all seem to be >> wearing evenly, no scalloping. >> The car is in such great shape I hate to change it, and would rather fix >> it >> than swap. >> Ralph '87 300SDL >> '85 300 CD >> > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
