5th Gear Member
Join Date: May 2008
Location: San Francisco, CA
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Vibration at "certain" speeds and no vibration under or above that speed points to defects in tires or rims... or just need for wheel balancing.
vibration on braking/slowing down... indicates warped rotors, or poor quality brake pads.
in your case, you have all of the above.
TIP: the use of wider tires & bigger rims usually entails the use of a spacer between your hub and wheel to adjust the so-called "offset". in many cases i have encountered, that spacer is not in the center when it is installed. It's possible that if you have one of those, that could be the source of your problems.
Bad alignment reading/s can also be the source of your prob. Note that when you opt for aftermarket rims and tires, the effective width and wheel offset changes from the factory standard; therefore, the factory setting/s can no longer apply
Last edited by darkhorse737; 06-22-2008 at 12:02 PM.