wheel bearing replacement - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-02-2004, 09:28 PM   #11
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If I 'm understanding it right, you may have what is known as cupping or scalloping. It is possible to be caused by a fault bearing, but is more likely caused by bad struts. If you bounce the rear of the car on that side, does it settle within about 2 bounces? Do you know when or if the struts have been replaced? Check out the following link and see if the picture of the cupping resembles that.

http://www.specprod.com/TECH_DIR/C_T...RT_FUND_4.HTML
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Old 12-03-2004, 02:11 AM   #12
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looking at the site archon sent me, it looks to be feather edging. I dont know if the struts have been replaced, however I thought those were only on the front wheels? This is occuring on the rear left wheel (I dont know if I mentioned that before or not) and I hope this helps. I do not believe it to be "cupping" because that seems too extreme for this problem. The picture for feather edging seems right, and the cupping picture is not acurate for my tire at all.... let me know what else guys, and thanks

Dave
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Old 12-03-2004, 02:17 AM   #13
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Feathering? Possibly a rear wheel alignment problem? If so, such a condition could be hard on the bearing. And that bump noise might be from separated belts in the tires. If you can swap a known good tire/wheel and listen....
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Old 12-03-2004, 02:35 AM   #14
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will the donut work?
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Old 12-03-2004, 02:57 AM   #15
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Your vehicle has both front and rear struts. If it is feathering, rather than cupping, then like Bill said, you have an alignment problem. If it'* cupping (most cupping I've seen caused by a weak shock or strut has had a wider flat area, and small high area than what that picture showed), then it likely would be the strut.

If all you have is the donut, it would do in a pinch. If the noise is still there, then likely you also have another problem - like the bearing. If the noise goes away, then it is being caused by the tire, but you'd still have to figure out what caused the tire to go bad.

Here'* another site with pictures...
http://www.hondapitstop.com/technote...tire_wear.html
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Old 12-03-2004, 03:46 AM   #16
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Quote:
Originally Posted by theJMFC
I actually just helped to do this to mkaake'* '96 Lesabre this weekend. Depending on your situation, a junkyard piece may make sense. We priced it out at Autozone for $155-ish, and ended up getting a used junkyard unit for $40. With a 90 day warranty. Unless you're rolling in cash, I would look at all of your options.

It'* not a very hard job to do. You just take off the wheel, remove the brake drum. Using a Torx-50 socket, remove the four screws holding the hub in place. You actually don't have to remove any of the brake pads, etc. Remove the ABS connector from the back side of the hub, if you have ABS. Then, in theory, it just comes off. In reality, it usually takes some pounding. What we ended up doing was taking an old brake rotor, and bolding it to the hub backwards (rotor out) and using it as a pounding surface. Worked pretty slick. Make sure you don't drop the brake assembly, as it'* held in place by the hub that you're trying to pound out. Then just put everyting back together.

Good luck!
My 87, 93 and 94 along with my sisters' 91 all had T55 bolts.
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Old 12-03-2004, 12:45 PM   #17
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when I go to work today, I will take pictures of the tires, and see what you guys think. and if necessary then I will put the donut on this weekend and drive around a bit to see if the noise is still there

Dave
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Old 12-03-2004, 02:47 PM   #18
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alright, here are the pictures: You can tell in each one that part of the tread is raised higher than the rest of the tread... sorry for the crappy pictures, camera didn't do well in the enclosed area







Also, I bounced the car, and it did correct it self in 2 bounces. what else?

Dave
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Old 12-03-2004, 10:23 PM   #19
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Checked the tire pressure?
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Old 12-03-2004, 10:28 PM   #20
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It looks to me like you could have a couple of problems. I would take it in to a good shop and get a 4 wheel alignment, as that appears to be off. It also appears to be wearing due to some uncontrolled bouncing of the tire that would give it that uneven wear (not to mention Goodyear tires - I haven't had much luck with them. ). If suspension parts are worn to the degree that they can't align it - they'll let you know. Also, get their opinion of what it causing the problem. A 4 wheel alignment around here runs $50 to $80.

How does it handle bumps or rough roads? Any banging or clunking sounds? Sometime the strut mount goes bad and the strut rod pushes up through it. You should be able to see that through the trunk.

And Damemorder is right...the hubs bolts do require a T-55, not T-50 torx bit. Glad that he caught that!
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