986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Rear tires have bumps, not true anymore ?

jim_hoyland · 06-14-2012, 01:47 PM

I started hearing a faint whup-whup-whup at certain speeds. Put the car on the lift and found both rear tires were not completely round, certain spots had-for lack of a better word-bumps.

Bought this '98 with 38k miles and put on another 10k the past two years.

Any idea what caused this ?

06-14-2012, 01:47 PM	#1
jim_hoyland Registered User Join Date: Nov 2006 Location: Sunset Beach, CA Posts: 305	Rear tires have bumps, not true anymore ? I started hearing a faint whup-whup-whup at certain speeds. Put the car on the lift and found both rear tires were not completely round, certain spots had-for lack of a better word-bumps. Bought this '98 with 38k miles and put on another 10k the past two years. Any idea what caused this ?