Quote:
Originally Posted by cooper barrett
So what you saying is that "Imbalanced or frictional tires and brakes" can cause a shimmy or an abnormal vibration but not a ball joint? In fact what it says is the loose ball joint would exacerbate the problem but not be the cause?
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I can't even figure out the syntax of what you're trying to say, if anything, at this point.
Vibration is largely caused by imbalanced or frictionally compromised spinning mass.
Ball joints are part of the feedback control system to smooth out these types of vibrations and maintain directional control. They don't have the mass or the angular velocity to actually be a cause of vibration on par with wheels or discs.
But it often more important from a safety standpoint to repair the feedback control system than the imbalanced rotating mass.