Rack and pinion

Tiny
QWEET
  • MEMBER
  • 2010 CHEVROLET IMPALA
  • 0.5L
  • V8
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
Car is shaking really bad. I have changed wheel bearings and hubs on both sides cannot figure out what is a loose.
Monday, April 23rd, 2018 AT 8:30 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Wheel bearings will not cause shaking, but the older design bearings could allow shaking to occur that had some other cause. You have a newer style bearing that will cause severe noise long before it becomes sloppy enough to allow movement and shaking.

If a tire slides into a curb, that wheel is likely to be bent. That can be seen during an inspection. The hub could become bent too, but that is the toughest part of the suspension system, and for it to be bent, the rest of the car would have other major damage. You have to really mean business to bend a hub.

To help diagnose this, you need to add a lot more detail, observations, clues, and history. Has any work been done recently, or has the car been ignored for years? Where exactly do you feel the shaking? Is it in the steering wheel, the front end, the whole car, the brake pedal? Is it only at certain speeds? Do you see the steering wheel oscillate back and forth at real slow speeds, such as when driving through a parking lot? How old and how worn are the tires?

Until we have more information, the place to start is with an inspection at a tire and alignment shop. The people there are experts at finding the causes of noises, vibrations, and bad tire wear.
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Monday, April 23rd, 2018 AT 6:29 PM

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