Hub/Bearing and Axle: Diagnosis and Decision
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Hub/Bearing and Axle: Diagnosis and Decision in Past Cadillac Vehicle Discussion; I asked about this is another thread, wanted to move it here and stay on topic. 98 Seville. Had it ...
  1. #1
    kjd03842 is offline Cadillac Owners Fanatic
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    Hub/Bearing and Axle: Diagnosis and Decision

    I asked about this is another thread, wanted to move it here and stay on topic.

    98 Seville. Had it up on jacks this afternoon. The noise is most prominent from the left inner joint assembly. Pretty bad, actually. Grinding / growling when the car is in gear.

    So while I may still have some bearing noise, I definitely have an axle problem. At 180K, considering I want to keep it on the road a while longer, should I just go ahead and replace axles and hub/bearings on both sides while I'm at it? Maybe even struts while I'm in there?

    Your opinion counts, thanks.

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    finerwoodworking is offline Cadillac Owners Fanatic
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Had on bearing go out at 45k on the right front. The other is now going out on the left side at 48K and need to replace it now. When it was making the noise it was a weird sound and I thought it was the axle, or even a bad tire. I can't believe that the OEM bearings can be so crappy to go out in only 45k. No wonder GM is going down the toilet.

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    iametarq's Avatar
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    I just replaced my right front ORIGINAL bearing/hub assembly. It had 150,000 miles on it. My left seems fine except for a Speed Sensor fault once in a while when wet and going over big bumps. I haven't had time to see if its corroded wiring or what.

    If it were me, I'd replace the hubs, at least the one that is making the noise for sure. But I'm also wanting to get 200,000 miles on it before I retire it!

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    Ranger's Avatar
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Quote Originally Posted by finerwoodworking View Post
    Had on bearing go out at 45k on the right front. The other is now going out on the left side at 48K and need to replace it now. When it was making the noise it was a weird sound and I thought it was the axle, or even a bad tire. I can't believe that the OEM bearings can be so crappy to go out in only 45k. No wonder GM is going down the toilet.
    45K is a fluke. Sold my '97 with 107K on it and never replaced one. '96 Bonneville has 160 and never been replaced.

  6. #5
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Ever since purchasing my DHS (hybrid DTS interior ;-) ) I noticed while braking at high speed a vibration much like a warped rotor. This past weekend I went to get a lifetime alignment at Firestone and they came back telling me the left hub has play in it. I got this car at 76K miles. Now has 81K. I do sometimes feel it has the tendency to "channel" itself on cracks on the road, but that could be my imagination.

    Needless to say, the hub will be repaired. the oddity is the part that the Firestone wrote down does not say "wheelspeed sensor" included. So I wonder if it's a separate entity? Obviously I'm going with the AC Delco one with the built-in wheelspeed sensor.

    Question: how difficult is it to replace these things? I've replaced radiators, and done brake jobs, installed a blower motor (twice, complete with engine tilt), replaced oil cooler lines too.

    What tools do I need?

    Thanks.

  7. #6
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    med
    med is offline Cadillac Owners Member
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    I did my 94 STS several months ago. I had to use a torque wrench and a slide hammer. Unfortunately, normal hub pullers didn't work, so I used a NAPA 775-3911 slide hammer puller set. If your year is anything like mine then I believe you can do the job!

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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Not a bad job. I did one on my '92 and it took me less than an hour. You will need a big 34mm socket for the axle nut.

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    kjd03842 is offline Cadillac Owners Fanatic
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Mine has that brake wobble too, I always figured tie rods just cause I hear so much about them here. Happens at city speeds too now. Brakes/rotors/calipers < 1yrs old, AC/delco.
    Bearings make sense. I'm really leaning toward doing both sides, bearings and axles. 180k -- I've gotten my money's worth.

    No mechanic has ever said my struts are bad, but I definitely wonder about those at this high mileage. What do I look for?

  10. #9
    ibdjakeson2's Avatar
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Great info on the vibration upon breaking. Always wondered what that was, now I will research more closely.
    Since you guys are on this topic, I've got a quick question. Every so often when I enter an uneven driveway or make a full left or right hand turn, I'll hear and arbitrary "pop" like an older balljoint used to make when they were going bad. I've noticed this on both my STS and my mother's SLS (both 00 models). I was wondering if this was common? Your thoughts?

    Thanks!

    Slay

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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Leave the struts alone unless they have failed - they are expensive!

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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Quote Originally Posted by ibdjakeson2 View Post
    Great info on the vibration upon breaking. Always wondered what that was, now I will research more closely.
    Since you guys are on this topic, I've got a quick question. Every so often when I enter an uneven driveway or make a full left or right hand turn, I'll hear and arbitrary "pop" like an older balljoint used to make when they were going bad. I've noticed this on both my STS and my mother's SLS (both 00 models). I was wondering if this was common? Your thoughts?

    Thanks!

    Slay
    Sounds like maybe a CV joint.

  13. #12
    finerwoodworking is offline Cadillac Owners Fanatic
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    Quote Originally Posted by ibdjakeson2 View Post
    Great info on the vibration upon breaking. Always wondered what that was, now I will research more closely.
    Since you guys are on this topic, I've got a quick question. Every so often when I enter an uneven driveway or make a full left or right hand turn, I'll hear and arbitrary "pop" like an older balljoint used to make when they were going bad. I've noticed this on both my STS and my mother's SLS (both 00 models). I was wondering if this was common? Your thoughts?
    Slay
    How about a strut bearing, it could be bad?

  14. #13
    jbrown93etc is offline Cadillac Owners Member
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    Re: Hub/Bearing and Axle: Diagnosis and Decision

    A torque wrench is not necessary to do the job (but would have been nice), I just used a long breaker bar. I'd say there are less steps than replacing the radiator but requires a little more muscle. Not bad at all.

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