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2004 Buick Lesabre Limited - Whine at front end driver side. Louder on acceleration decreases when I slow down. No leaks at CV joints and everything is tight.

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2 possible causes: either the break pads have been contaminated with some oily substances or the bearing on that wheel has worn out.
How to test: lift the wheel, take it out and look at the pads - if the pads are clean, take them out, put the wheel back and turn it, now you should clearly hear the origin of sound.

Posted on Jul 18, 2010

  • rjmartin465 Jul 19, 2010

    I looked at the pads and the rotor no contaminents. Also, I turned the wheel by hand and noticed no noise, however, it couldn"t turn it very fast. Maybe my description of a whine was not accurate, it is more like a growl but it does increase in volume on acceleration

  • Azrael SRL Jul 19, 2010

    Acceleration as in speed? If yes then it's surely wheel related, most likely the bearing - the cv joint should be totally worn out and shaking loose even at stop to make that noise. It could also be the gearbox (same side location), but a noise that big would have been generated by a major malfunction , and in this case all the warning lights would have started lighting up all over your dash.

    Acceleration as in engine revs? Simple test: start the engine and revv it, you should hear the noise. If it's that then your problem lies in the engine bay, not the wheel bay. In that case the noise is generated by a loose pulley: start the engine and look and listen for wobbly pulleys. If the pulley itself is loose all you should do is to reattach it but usually this is a sign that the shaft on which that pulley is fixed had worn out its supports, and this is a major repair.



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2001 buick lasabra, when i put my car in drive it maks noise and the front drivers wheel tries to lock up...but it doesn't do that in reverse

check brake pad/disc rotor condition. Check front wheel bearings check CV joints for wear and alignment.

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Clicking noise from front end indicates a failing CV joint . It happens as the out of round balls fall into worn grooves in the joint as it turns The fix is to have them replaced

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If the noise indeed does get louder when turning right, I would suspect the leftside hub.

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Humming in the front end, with a louder noise when turning.

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Bearings or cv joint?

Wheel bearings.
For quickly ruling out the CV Joint, in a parking lot, turn one way in a sharp circle, then the other way circle sharply. A clicking sound is indicative of a bad c/v joint or 1/2 shaft.
Humming while in motion (most of times it will only occur during a specific speed range - over a certain speed goes away) says a wheel bearing is shot.
Normally you should replace both at the same time... however you can check with a laser temp gauge each front hub after driving. The hotter one is bad - or a less scientific approach is to swerve going down the road. and listen for an decrease in noise going in one diretcion over the other.
If you are turning the steering wheel right, and the noise goes away, the right bearing is bad and vice versa.

Thanks for using FixYa - a FixYa rating is appreciated for taking the time to answer your free question.

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Talked to Buick/GMC mechanic at the dealership claiming everyone was giving me different answers/things to replace. He said undoubtedly it was cv joint/half shaft. Changed driver's side, that fixed it. Another give away was it wasn't as bad when car was cold, but got worse as it drove a few minutes, i.e. everything got hot, expanded and therefore was looser.

The main clue was it wasn't RPM specific, bearings were okay and I didn't feel it in steering wheel so much as the whole car in a given RPM range despite gear (not the engine or front end of tranny, i.e. torque converter. Rotating tires had no effect.

Aug 04, 2008 | 2000 Buick LeSabre

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