Last post on Sep 03, 2012 at 6:01 PM
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Buick Park Avenue, Sedan
#518 of 519 2002 Buick Park Avenue humming noise
Sep 03, 2012 (4:21 pm)
I have a 2002 Buick Park Avenue. Recently, it has started to make a humming noise that increases in pitch with an increase in road speed. It is noticeable at all speeds above 10MPH. I have used a laser thermometer on all of the hubs and there is no real difference in hub temperature after a long drive. The front hubs run a little hotter than the rear ones, but side-to-side, the temperature readings are consistent. I have tried the swerve test, with no difference in sound by swerving left or right. I have jacked up the car and shook all 4 of the wheels and found no noticeable play in any particular wheel. I actually magnetically attached a small video camera to each of the fenders and made videos of each of the tires in motion and there were no audible or visual differences in the videos. The car has 132,000 miles on it. I have had each of front wheel bearings replaced since I have owned the car. The left one was replaced about 4 years ago and the right one 2 years ago. NAPA parts each time. I have never replaced the rear wheel bearings. I put new tires on the car about 2 months ago but did not notice the noise then. The traction light and the ABS light have been on since April but I have yet to investigate this issue. Any help in diagnosis would be appreciated.
#519 of 519 Re: 2002 Buick Park Avenue humming noise [randoldj]
Sep 03, 2012 (6:01 pm)
Tell us about the tires you put on. Brand, tread type, speed rating, and mileage guarantee. I wonder if your tires are a higher speed rating than original and make a noise with harder rubber. That will be possibly true with higher mileage tires. Or just a coarse tread pattern...
Have you checked air pressure and set it to the door jamb recommendation to test?