Question about Cadillac Cars & Trucks
Check drive shafts for loose and worn bushes/ bearings and joints as it sound like a harmonic vibration for unbalanced or out of line running.
Posted on Jan 04, 2014
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Posted on Jan 02, 2017
I'm having the same problem with my 2006 Chevy 2500 duramax...The humming starts at 25mph and then gets less prominent and then at 50mph it gets more prominent and louder, then at 60mph you can hardly hear it.....I did notice a little bit of leakage where the front axel meets the from diff on the drivers side.
Posted on Aug 09, 2008
I had the same problem with my 2000 Buick LeSabre last year. Took it in and they determined the wheel bearing needed to be replaced. Costs about $300 per bearing, but definitely needs to be replaced as you'd be in serious trouble if the thing went out at highway speeds.
Posted on Dec 11, 2008
You have a hub/wheel bearing going out. You need to jack up the vehicle on each side. Grab the top and bottom of the wheel and try to move it in/out at the top and bottom. If this does not work then roll the wheel as fast as you can and see if you can hear which one it is. Good Luck.
Posted on May 13, 2009
Alignment will not create a sound by it's self. The most common cause of humming (especially if you have an agressive tread design)is a wear pattern in the tires...check for that or rotate the tires around & see if the noise changes. If it does then you know it's in the tires. & Not always, but most of the time a bearing noise will increase or decrease in intensity if you load up one side at a time by doing 35-50 mph & turning slightly to each side.
Posted on Sep 30, 2009
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