Quote:
Originally Posted by rusnak
maybe worn struts/ strut bushings. Actually you have at least two sources of vibrations. The lower frequency one(s) could be worn ball joints or worn rubber bushings.
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I've wondered about the suspension. It's original, so 13+ years old, but seems in good condition.
In order to replace the rear axle, I've undone many of the ball joints. They weren't obviously bad.
Maybe a failing rear shock? It's not oily or obviously damaged, but failures are not unheard of, though I wouldn't say I've noticed any handling issues.
The shocks on the 997 have electronic damping adjustment. I have an aftermarket suspension controller that can change the damping rate - - maybe I run with shocks on a firmer setting and see if that makes a difference?