bigbaby1234 Posted April 21, 2011 Report Share Posted April 21, 2011 Hello again thanks for all the help on here I have a question I hear humming noise coming from front end and road noise checked tires since they are not but 8 months old goodyear tires the car does not drive badly. Its like the sound of a u joint I understand this call does not have one. Can I get help or its nothing to worry about. Second question I have noise coming from the rear end like clunking noise when I go over rough road and a slight sway when it happens but no codes thank you very much Link to comment Share on other sites More sharing options...
adallak Posted April 21, 2011 Report Share Posted April 21, 2011 Hello again thanks for all the help on here I have a question I hear humming noise coming from front end and road noise checked tires since they are not but 8 months old goodyear tires the car does not drive badly. Its like the sound of a u joint I understand this call does not have one. Can I get help or its nothing to worry about. Second question I have noise coming from the rear end like clunking noise when I go over rough road and a slight sway when it happens but no codes thank you very much Do some zigzags on an empty and quite road and listen carefully to the humming noise. If its intensity changes when you change the direction, it is most likely one of your hub bearings. If it is louder when you turn right, it is MOST LIKELY the left front hub bearing. The rear end clunk can be a lot of things. Loose brake pads is one of the possibilities. The next time, while going over a bump apply brakes. If there is no clunk with brakes applied, it is most likely brake pad related. The saddest thing in life is wasted talent Link to comment Share on other sites More sharing options...
winterset Posted April 22, 2011 Report Share Posted April 22, 2011 Humming noise? - Hmmm. does it sound like a propellar airplane is following you? - does it make the noise at about 10mph. not sure what a ubolt sounds like, but if you were checking tire treads, It sounds like a wheel hub. jack up the tire, grab at 12 & 6, and push in & out. if it has any play, that's the suspect. compare to the other side to be sure. for the rear, I would jack up each rear tire, and check for play. Link to comment Share on other sites More sharing options...
bigbaby1234 Posted April 22, 2011 Author Report Share Posted April 22, 2011 thank you very much I will do that tommorrow test on back road and the check the 12 and 6 position If that what it might be I will post the correct solution tomorrow Link to comment Share on other sites More sharing options...
rockfangd Posted April 22, 2011 Report Share Posted April 22, 2011 the rear sounds like upper and lower knuckle bushings, if they are original they should definately be replaced. that causes sway and clumking front sounds like hub assembly, note if one is bad chances are the other is not far behind. My deville has that noise but so minor it is hard to notice. Bear in mind i have not seen this car but the descriptions sound about right GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
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