Question about 2001 Chevrolet Tahoe
You might jack up the truck on the side, leaving one front wheel on the ground, the other suspended.
Have someone watch the steering components close to the suspended wheel while another moves the steering back and forth at a medium rate and look for 'unnatural' movements of joints.
Do both sides to check.
This sounds like a tie rod end that is shot and these are fairly easy to spot since the joint will move in directions that are obviously wrong.
The reason it doesn't want to stop is that when one wheel is no longer being held rigidly, it will 'oscillate' causing the violent shaking. The boost from power steering worsens the problem. It can be dangerous; a friend had a worn tie rod end come apart while barreling down the Freeway. Steering with one wheel doesn't work. He survived but no longer ignores the signs.
If you had brought the truck to a decent front-end alignment shop, they would have found this while trying (it doesn't work) to align it.
Posted on Sep 07, 2010
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Posted on Jan 02, 2017
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