VIBRATION, CLUTTER

1994 Pontiac Sunbird

Tiny

snale

April, 12, 2011 AT 12:42 AM

The vibration has been there, for quite sometime. A friend, said I need a wheel- bearing. Took the wheel off and found out, that the wheel bearing nut was quite loose. So it was tidened. The vib. Is still there. So, I put on new balanced tire-4. Would the bearing now be worn out.

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2 Answers

Tiny

PROTECH1980

April, 12, 2011 AT 2:48 AM

Is there a humming noise also with the vibration? If so the one of the wheel bearings is probaly bad, A test I use to determine what bearing is bad is to put the car on a hoist, in neutral, spin the suspect tire(s) with one hand, while grasping the strut spring with other hand. A bad bearing you will feel the roughness in the spring as you turn the tire, a good bearing will spin smooth, generally with nothing felt in the spring.

Tiny

snale

April, 14, 2011 AT 12:47 AM

When you say humming, do you mean humming from the bearing or the tires it self? There's a bit of humming, very low sounding. The vib. & Chutter happens more at 60-65 km/hr, at 4th gear with a little excilration. I was thinking it maybe the rotors, because it chutters a bit with heavy braking. The rotors are chipped around the edges. The steering wheel shemmies just a little, no pull, maybe the alinment, I was thinking too. Thanks, Dale

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