1999 Pontiac Grand Am vibration

Tiny
TRISHROSE
  • MEMBER
  • 1999 PONTIAC GRAND AM
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 105,000 MILES
When I come to a light or have to have brakes on the car vibrates and feels like it wants to "jump". But when driving it is fine
Sunday, February 22nd, 2009 AT 6:44 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Most likely the rotors are bad, possibly a caliper is not releasing.

Raise car, put on stands, with brake pedal released turn tires foward and see if you feel any significant resistance.
Remove the rotors and lay on flat surface, checking for warpage.

Also check suspension components, ball joints, tie rod ends, control arm bushings for excessive wear.
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Monday, February 23rd, 2009 AT 8:58 AM

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