Question about 1995 Buick LeSabre

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Grinding noise while driving

There is a grinding noise while driving that gets louder as speed increases. sounds like the brakes grinding but replaced them and rotors in good shape. The sound sounds like it's coming from behind the drivers side wheel.

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Hello, this is cause for concern, and may or may not be serious and safety related. if possible, the vehicle should be parked on level, solid ground and the rear wheel that is suspect should be lifted about 1 to 2 inches off the ground. observe all the appropriate safety precautions associated with this procedure. be careful not to place or have any of your body parts under the vehicle at any time. spin the wheel by hand and observe. next you might grab the tire firmly at its 3 o'clock and 9 o'clock positions and attemp to shake or rock the wheel, of course not to such degree that might dislodge the car from the jack. repeat the shake test with hands at 6 and 12 o'clock. what is observed from these three activities will determine the next steps.

the possible causes of the sound are many, including.....

loosened caliper bracket
failed rear brake pad hardware, allowing a brake pad to contact the rotor when brakes are not applied
sticking or siezed brake caliper
distorted backing plate rubbing on the rotor
failing wheel bearing
failing rear lower ball joint, causing wheel to rotate out of its specified position

..... and of course noises heard while driving can be tricky, the noise may be coming from somewhere else although it sounds like it is from there.

if self jacking and checking is not possible, then a reliable mechanic must be visited and it is to your advantage if you make yourself present during a test drive and then removal of the wheel, first to have the noise observed and verified by the technician, and then to observe firsthand with he or she the initial findings. you want to avoid the possibility of receiving a phone call from the repair facility and hearing " it needs everything ".

so, safety first, and then one step at a time.

Posted on Oct 26, 2012

  • Alan Davis Oct 26, 2012

    I appreciate your reply but the sound if coming from behind the left front wheel.

  • Alan Davis Oct 26, 2012

    would I do the same with the front since that is where the noise is coming from?

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SOURCE: front passenger side wheel makes a grinding noise

sounds like a wheel bearing is going out. you need to get this checked out pretty soon because this can cause more severe problems down the road

Posted on Nov 11, 2009

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