ANOTHER front hub assembly...what am I missing?
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From: coventry
ANOTHER front hub assembly...what am I missing?
99 F350 4x4 diesel. Just a daily driver. I put a duralast hub assembly in my truck about 10 months ago and it failed. I got a Timken replacement for it. New seals, brake pads and decided to put mile marker lockers in. The OEM lockers were trashed. Here it is, a few months into the Timken and that one is starting get to squeal. Lucky if there's 3-4k miles on it. Is my luck that bad on lemons ....or am I missing something? These things don't need to get greased before installation, correct? The axle did have, what I would say, SLIGHT wear, where the seal sits, but with just a few thousand miles on it seems ridiculous for it to fail. I can't imagine everyone is replacing get their axles...or are they?
Last edited by leforrest; Jan 8, 2016 at 12:47 PM. Reason: Trying get to neaten up autocorrect errors.
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From: coventry
I've checked them, and had a friend check them and couldn't get any play out of them. I've started replacing front the end parts chasing down a rattle. All tie rods, sway bar links and bushings. The only thing left is shocks and springs. It's not huge rattle and doesn't affect steering get at all. I dont feel it in the wheel nor do I get it unless I hit tough road. Could it be ball joints, maybe? I just can't get them to move when I put a bar under my tires. I was thinking the rattle might be shocks...maybe...maybe not. Maybe I'm in denial cause I dont feel like tearing get into them. :-(
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Did you get an alignment after the tie rods? The only reason a good bearing should go bad with such low mileage is an uneven load on the bearing. Also, if the rear seal on the spindle is not correctly isstalled, moisture will get into the bearing and cause a premature failure.
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From: coventry
If you bet me that was the problem, I would have taken it. I just didn't think it would contribute that greatly. Lol. Learning the hard way. It's what I do best. Lol
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From: coventry
Hopefully guys around today. Lol. It's all apart...again. the bearing seems. Ok. I can see some moisture is getting good into the spindle where the bearing is. The outer part of the bearing assembly rotates like new. You know...slow, but smooth cause of the new grease. The inner that rides the axle spins very free. Doesn't look very well lubed anymore. It doesn't look like anything is burned up though. It did just start to screech though, so I'm trying to solve it before a trip to wisconsin monday. I pulled the axle and checked the seals. They look ok. I will note though, is it normal for the axle to be sloppy? I would think they would have had a bearing on the outer axle housing where it comes through to the ujoints. I just replaced a dust seal there. Without it, it's really just relying on the seals and the locker to hold it straight. Can anyone confirm?
Laughing Gas
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Did you check the other side , to see if that might be the culprit ?
When checking for bad ball joints, you do know that you need the tire off the ground ?
You also need a fairly long bar to get enough leverage to overcome the weight and mass of the wheel and suspension parts.
When checking for bad ball joints, you do know that you need the tire off the ground ?
You also need a fairly long bar to get enough leverage to overcome the weight and mass of the wheel and suspension parts.
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From: Nortern FL
... I will note though, is it normal for the axle to be sloppy? I would think they would have had a bearing on the outer axle housing where it comes through to the ujoints. I just replaced a dust seal there. Without it, it's really just relying on the seals and the locker to hold it straight..
No, there is nothing supporting the axle between the differential and the hub bearing. That is normal. It is a full floating axle shaft, it doesn't support any of the vehicle's weight.
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