Front suspension

Tiny
MICHAEL FOSTER
  • MEMBER
  • 2000 PONTIAC BONNEVILLE
  • 2.3L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 189,578 MILES
It shimmy's at about sixty mph and when I hit the brakes. Also, low acceleration.
Friday, July 14th, 2017 AT 2:14 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,738 POSTS
This can be caused by a warped brake rotor, but given the multiple symptoms, a better suspect is a brake caliper that is not releasing. Stop on a slight incline, shift to "neutral", release the brakes, then see if the car creeps downhill on its own. If it does not, we'll need to open the hydraulic system at a few places to figure out what is causing the caliper to not release.
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Saturday, July 15th, 2017 AT 12:16 AM

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