Question about Cadillac DeVille

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I believe its the hub bearing i hear a roaring noise when i drive if i turn the wheel right the noise goes way but when i straighting it out it comes back

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That is a classic sign of a wheel bearing failure. Since it goes away when you turn to the, the right side bearing would be the suspected bad bearing since the load of the car shifts to the left bearing and takes the weight of the car off the right bearing.

These are a bolt in bearing and fairly easy to change

here's a link on a post I did for a buick. It will be very similar to your vehicle.

http://www.fixya.com/cars/t6575181-replace_left_front_hub_bearing

Posted on Nov 08, 2010

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I have a 1999 buick century custom. My proble is that i am hearing a humming sound comming from the front of my car. I believe i have a bad wheel bearing from what i have been reading on here from other...


it sounds to me like it is your left front wheel bearing. the best way to check this is to raise both wheels and spin them by hand there will be some noise from the pads rubbing the discs but the side with the bearing gone will be noisiest.you can replace just the bearing.I hope you find this helpful

Jan 04, 2013 | Cars & Trucks

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If you here a roaring noise in your front wheel and when you turn one way or the other and it stops. then your gonna be looking at changing your wheel bearing ( hub assembly ) , but how do you know which one to change. Well when driving down the road, move steering wheel back and forth easy, which ever way you turn the wheel and the noise stops that is which side is bad.
Example : your driving alone and you turn your wheel to the right and the noise goes away, then it's your right wheel bearing ( hub assembly ).if you turn to the left and the noise stops, then it's your left wheel bearing ( hub assembly ).

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You need to replace the wheel bearing. I would bet it is the right side. When you turn to the right the load of the vehicle is transferred to the left. Less load on the right side and the noise goes away. It is a classic sign of a bad wheel bearing.

I can give you further instructions on how to make the repair. Just need to no if its 2 wheel drive or 4 wheel drive.

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