Date: Mon, 12 Jun 2006 01:10:03 GMT From: - Bob - <uctraingnospamanet.com> Subject: Re: NG 900
NG900's do not always vibrate but they are very sensitive to any problems with the suspension. When everything is right, they are smooth at all speeds. Possibilities, in rough order of occurrence - - out of balance wheels / tires - bent wheel(s) - bad tires - outer control arm bushings worn (typically only vibrates under acceleration but there are exception) - inner driver(s) worn (again, mostly under acceleration) - stanchion arm bushings worn - brake problem causing shimmy (most brake problems only occur when braking, typically at higher speeds). - CV joint (typically has other common CV joint symptoms) - subframe loose - loose steering rack mounts Unless the problems are only under braking, have the wheels and tires balanced on a Hunter GSP700. It doesn't matter if you had them done by a top-notch wheel guy - unless it feels perfect after that, you need to get the road force balance done on a GSP9700. Costs no more than other balancing and there _is_ a difference. Trust me. http://www.gsp9700.com to find one near you. The GSP9700 will not only fix any balance issue that can be fixed, but it will give you specs on wheel trueness and out-of-round. It will also give you numbers on the tire's problems (uneven road force). If you have problems after that, post again with most specific e.g. only under acceleration, braking, etc.
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