Shimmy/Shake - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 05-07-2007, 04:16 AM   #1
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Default Shimmy/Shake

My car has a shimmy/shake that is very noticeable above 50 MPH, and of course gets worse at higher speeds. The thing about this is that is comes and goes. The shake is in the steering wheel, floor, dash, and seats. (pretty much everywhere). As I said it comes and goes in waves.

I've recently replaced brake rotors and ball joints. There was no play when I looked at the tie-rod ends, but not ruling them out.

My tires are old and are starting to cup, and could be out of round but haven't checked. Could crappy tires cause vibration that comes and goes in waves or is it something else?

Thanks for the help

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Old 05-07-2007, 08:07 AM   #2

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I'd aim at the tires first. Most vibrations like you describe are tire/wheel weight related. Dad sold tires in the dark ages and once mentioned to me that a balance issue shows up/corrects itself about every 15mph. While I'm not sure if that still stands as true..I've lost wheel weights before and compensated by driving at different speeds to smooth it out.
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