Question about 2006 Chevrolet Corvette

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Car makes humming noise from rear at 25 mph and up. What could this be from?

Noise stops while making right hand turns.

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This sounds as if you have a wheel bearing that is going bad. Something that should be addressed as soon as possible. Your footnote indicates that the sound goes away when you turn right. What is happening is you are transferring the weight of the car to the left side of the car when turning right, thus relieving pressure on the right side wheel bearings. This is what is making the sound dissipate. This of course would have to same result if the bad bearing was on the opposing side and you turned left.

A method to double check this is to park your car on a level surface and chock your front wheels, as you have stated you can here the sound in the rear. Using a jack and jack stands lift the rear of the vehicle high enough so that the rear tires are off the ground. You want to make sure that the car is on a level surface and that the front wheels are chocked from rolling either forward or backward. You want to then put your vehicle in Neutral if it is a rear wheel drive and release the parking brake. If it is a front wheel drive leave the car in Park and release the parking brake.

Once you are sure that your vehicle is secure and stable, find a point on the shock tower or spring connected the wheel you are testing and place one hand on it. With your free hand, spin the wheel. You should feel no vibration if the bearing is good. Do the same test on the other side for comparison. Which ever of the two sides has apparent vibration, that is the side you will find the bad bearing.

Hope that helps. Be safe.

Posted on Nov 30, 2014

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Sounds very much like a wheel bearing, although I have heard a tyre sound the same, jack the rear up and spin the rear wheel and you may hear the sound, if you can then it's the wheel bearing, hope this helps

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

j_del
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SOURCE: i hit a bump on

Sounds like your left front wheel bearing is going bad. When you make a right turn, or compress the right front suspension over a bump, it forces the car to roll to the left. This loads the suspension on the left side, which will exaggerate a wheel bearing problem. Are you hearing the noise at all when travelling on the highway in a straight line? If so, it'd be either a grinding sound or a hollow humming noise. If you aren't, it may be that the bearing is just starting to go bad.

A quick test to see if the bearing is bad is to jack the car up at that corner, grab the wheel at the top and bottom, and shake it hard - if there is any movement or looseness, your bearing is shot. If there is none, it doesn't mean the bearing is fine, but it could be that it's just starting to go bad (which would be why you only hear it in turns and bumps, but not straight-line yet).

Posted on Aug 02, 2008

  • 1 Answer

SOURCE: Humming noise in front end of truck

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.
Any suggestions?

Posted on Aug 09, 2008

j_del
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SOURCE: humming noise from front end

Sounds like a bad wheel bearing - have it checked out at a reputable shop and changed, the sooner the better.

Posted on Aug 28, 2008

hdsoft
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SOURCE: Faint to loud humming noise while driving and turning...

Could be either a loose belt or you are low on power steering fluid,or the power steering pump could just be worn out.

Posted on Aug 20, 2009

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SOURCE: 2004 Aveo roaring noise from front and rear wheels that

wheel bearing or cv joint . remove brake caleber remove spindel nut outer bearing comes out easy inter bearing is is a little harder

Posted on Sep 26, 2009

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