2001 Buick Lesabre drifting

Tiny
VASSALBORO
  • MEMBER
  • 2001 BUICK LESABRE
  • 3.8L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 155,000 MILES
Will driving the car when you brake the steering wheel will go to the right a little but the car will drift to the left have new rotors and brake cyl and new brake lines have tried putting an temp on all 4 rotors and they run the same temp
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Friday, January 24th, 2014 AT 11:34 AM

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Tiny
CARADIODOC
  • EXPERT
What you wrote is real confusing. Can you elaborate on exactly what it's doing, and please use some punctuation?

"Will driving the car when you brake the steering wheel"

"the steering wheel will go to the right a little but the car will drift to the left"

"have tried putting an temp on all 4 rotors"

I'm guessing you used a temperature gun to see if a brake was dragging, and they are not.

Due to the steering geometry on GM front-wheel-drive cars, if "camber" shifts on one front wheel, (that's one of the three basic alignment angles), the wheel will lean one way AND turn that way. That means if the adjustment slips and the right wheel, for example, leans in on top, it will also turn to the left. You will have to bring the steering system back to center by turning the steering wheel to the right, and tires want to roll in the direction they're leaning so the right tire will pull the car to the left.

That is an alignment-related problem. There's a totally different potential problem that only affects GM front-wheel-drive cars and it occurs after the front cross member has been removed to do major repairs to the engine or transmission, or in some cases to replace the steering gear. If you think that applies here, I can describe the cause and the fix. The clue is the car will dart in various directions when you hit small bumps in the road and will be very miserable to control, even after an alignment shows camber and "toe" to be okay.
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Friday, January 24th, 2014 AT 12:10 PM

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