bad wheel bearing? - Chevy and GMC Duramax Diesel Forum

Drivetrain Discussion on gearing, CV joints, driveshafts, axles, brakes, etc.

 
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post #1 of 9 (permalink) Old 11-12-2011, 12:39 AM Thread Starter
 
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bad wheel bearing?

my 02 2500 4x4 has 188k miles on mostly original front end and drivetrain. i'm finally starting to do some maintenance and upgrades on it. over the past couple of weeks there's a vibration coming from what seems to be the right front. seems like a wheel bearing but i'm not sure because it doesn't feel the same as other trucks i've had. it's not making a lot of noise but it has kind of a random but frequent "flutter" vibration feeling, sort of like an out of balance wheel or a bent wheel, especially at highway speeds. it has gotten worse and i'm trying to fix it in the next few days. not sure what a bad CV joint feels like but i know that could be the problem as well. 20x9's with Hankook DynaPro AT's which i check regularly and keep rotated.

thanks for any advice,
Cody

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post #2 of 9 (permalink) Old 11-12-2011, 02:55 AM
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Most likely bearing

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post #3 of 9 (permalink) Old 11-12-2011, 03:19 AM
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Jack it up and try to wiggle that wheel!

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post #4 of 9 (permalink) Old 11-12-2011, 07:01 AM
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Jack it up and try to shake the tire/wheel placing your hands on top and bottom of the tire pushing and pulling to make it move if there is any looseness. Placing your hands front and rear of the tire, you may hear/see movement due to worn steering components.

If you see no movement, before you assume the bearing is fine place a LONG screw driver of something of the sort (think stethoscope) against the center of the hub and the other end firmly to your ear. Roll the wheel and listen closely through the screw driver for the bearing rollers. You will hear the rollers nice and smooth if the bearing is good and you will hear the grinding of the bearing rollers if the bearing is bad.

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post #5 of 9 (permalink) Old 11-12-2011, 07:39 AM
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Quote:
Originally Posted by gtocato View Post
If you see no movement, before you assume the bearing is fine place a LONG screw driver of something of the sort (think stethoscope) against the center of the hub and the other end firmly to your ear. Roll the wheel and listen closely through the screw driver for the bearing rollers. You will hear the rollers nice and smooth if the bearing is good and you will hear the grinding of the bearing rollers if the bearing is bad.
That's a new one to me.

good info!

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post #6 of 9 (permalink) Old 11-12-2011, 07:42 AM
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Have you checked your tire balance as well?

Walker,

2002 GMC Sierra 4x4 with a Duramax
250,000 miles
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post #7 of 9 (permalink) Old 11-12-2011, 07:58 AM
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These truck have a problem with eating wheel bearings. It becomes more fluent when you run bigger wheels and tires. Shake the tire back and forth with it jacked up. The wheel will have play in it up and down if it is a bad bearing. You can shake it side to side but it will not be as easy to tell. With 188k on the clock I would say it has to be the bearing.



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post #8 of 9 (permalink) Old 11-12-2011, 08:11 AM
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Stealership wanted over $600USD to replace, I did it myself for $225. Not too hard, just make sure you have a GOOD impact wrench and a GOOD 36mm socket. IIRC, the caliper bolts are pretty tough too. The factory thread locker is tough to break loose.

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post #9 of 9 (permalink) Old 11-12-2011, 02:51 PM
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Quote:
Originally Posted by ALLY Cat View Post
Stealership wanted over $600USD to replace, I did it myself for $225. Not too hard, just make sure you have a GOOD impact wrench and a GOOD 36mm socket. IIRC, the caliper bolts are pretty tough too. The factory thread locker is tough to break loose.

1 7/16 6 point will also do fine, if you dont have a 36mm available.

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