NEED HELP! Noise coming from either wheel bearing or hub?
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NEED HELP! Noise coming from either wheel bearing or hub?
Hey everyone, I have a 1999 z28 camaro. I have a strange noise coming from the rear drivers side of the car. Going about 55mph or faster, you can really notice it, it sounds like this, "whomp, whomp, whomp....etc." and it gets faster as you drive faster. If you swerve hard to the right, it gets really loud. If you swerve hard to the left, the sound virtually goes away. I have jacked the rear end up and tried yanking on the tire to see if it had any play, but it doesn't budge. I had it checked out at a major GM dealership in my area, and well... here I am. Thanks!
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My first guess would be tire noise or wheel bearings. If it turns out to be wheel bearings, do both sides. If one side went, how long do you think the other side will last? Plus it's all opened up anyway to do one side, so why not.
How old are the tires though? I had a dry rotted set of rears years ago and they made noise. Even if you know when you got the tires, they could still have been sitting on the shelf a long time. Anyway, easy way to check the date is to look at the sidewall on BOTH sides of the tire. One side will have some numbers like 1111 or 1506. That'll be a date code. 1111 on my tires means 11th week of 2011 is when they were made. They will likely be in an "oval" indentation
How old are the tires though? I had a dry rotted set of rears years ago and they made noise. Even if you know when you got the tires, they could still have been sitting on the shelf a long time. Anyway, easy way to check the date is to look at the sidewall on BOTH sides of the tire. One side will have some numbers like 1111 or 1506. That'll be a date code. 1111 on my tires means 11th week of 2011 is when they were made. They will likely be in an "oval" indentation
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If you swerve hard to the right and it gets louder it's the Left wheel bearing. When you you swerve left it takes the load off that wheel thats why it goes away.
One quick way to verify is have someone spin the wheel by hand and press a screw driver or pry bar on the axle tube leading to that side put your ear to it and listen for the noise.
You could also pull the cover to the diff and make sure there is nothing wrong inside of it.
One quick way to verify is have someone spin the wheel by hand and press a screw driver or pry bar on the axle tube leading to that side put your ear to it and listen for the noise.
You could also pull the cover to the diff and make sure there is nothing wrong inside of it.
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I had the same noise but it was coupled with a bent rim. I knew the rim was bent but i drove on it for a few months because i didn't have the money to fix it. Well, i got a replacement rim and the noise was still there and a little of the vibration also. Long story short, just today i replaced both axle bearings and i also replaced an axle because the bearing ate it up. Get this checked out ASAP or you could end up having to replace the axle also!
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http://www.car-stuff.com/1999chevrol...eelbearing.htm
Is there any certain bearing that is better then the other?
Is there any certain bearing that is better then the other?
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You may need the "repair" bearing which actually moves the location that it rides on the axle. Go to a parts store and ask for it. Timken would be my preferred brand but it's now always available.