2001 Cadillac STS VIBRATION AT 70 PRETTY SMOOTH OTHERWISE

Tiny
BJA211
  • MEMBER
  • 2001 CADILLAC STS
  • 90,000 MILES
AT 70 TYHE CAR VIBRATES ALL STARTED AFTER BRAKE JOB QUESTION SHOULD THE ROTORS HAVE ALOT OF PLAY AROUND THE STUDDS? THESE ARBOR IS VERY LARGE COMPAIRED TO THE STUDD IN MY OPPINION WOULD THAT CAUSE IT?
Wednesday, July 24th, 2013 AT 10:34 AM

1 Reply

Tiny
FREEMBA
  • MECHANIC
  • 1,152 POSTS
With the tire off the rotor has a lot of play, this is normal. When the tire is bolted on, the studs hold the rotor and tire in place against the wheel hub.

I don't understand your last comment. "THESE ARBOR IS VERY LARGE COMPAIRED TO THE STUDD IN MY OPPINION WOULD THAT CAUSE IT?"
Please explain.

If the the car only vibrates when the brakes are applied this would indicate warped brake rotors: the solution is to have then machined or to replace them.
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Wednesday, July 24th, 2013 AT 10:53 AM

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