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Shimmy dilemma.

1K views 5 replies 4 participants last post by  lstowell 
#1 ·
Finally had the chance to go to a tire shop Saturday, they put both front wheels on the road force machine to check how my dealership did the RFB a few weeks ago. Front left read 9 front right read 3. We both agreed that was pretty darn good so we left as is. With those good numbers why does the steering wheel still shimmy between 60-70 Mph? Is it possible that the RFB machine does not pick up a slightly out of round tire? Visually they both looked good while looking at them while spinning on the machine. The dealership already replaced the hub assembly via TSB but that didn't help. So frustrated. I made another appointment with the dealership for October 11th. Any ideas? Replace the tires?
 
#3 ·
The tire shop rotated my 2 front tires/rims to the back and my shimmy is gone. The shop said my 2 front rims were not perfectly round and have a wobble to them.
My dealer did the same thing. Shimmy was gone for 3 months then returned. Go figure. Which wheels/tires do you have? I have the Limited with the 18" wheels and Michelin Latitudes.
 
#6 ·
Agreed. They need to check the wheels and the tires for being in/out of round, side to side balance, wheel out of true--as mounted, and static balance in addition to rfb.

A higher end tire shop might have the roundness check equipment, plus the shavers necessary to remove tire tread to fix.
 
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