Hub assembly failures??
Thread Starter
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Junior User
Joined: Dec 2007
Posts: 90
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From: Minnesota
Hub assembly failures??
Hi guys, been awhile. Just took the truck for a tire rotation, 2001 F250 7.3L, and found out my second rider side hub assembly is failing. This is the second hub assembly in less then 10000 miles. Left side has 118000 miles in it, and still going. Can anyone comment on just how frequent these thing fail, or what might be contributing to a short life span. The first one was replace by ford's warranty. This second one missed warranty by 2 weeks and ford is nolonger fudging dates. GRR!
Thanks for any thoughts.
Ray
Thanks for any thoughts.
Ray
Lead Driver
Joined: Dec 2006
Posts: 7,092
Likes: 145
From: San Diego, CA
What is failing on the hub? The only weak spot I know of is the needle bearing on the inner hub that rides on the drive shaft. It is non-greasable (Ford refers to these as "non-serviceable" components) and causes problems when they dry up. Other than that, I couldn't comment or speculate on any other issues. I just did my ball joints a couple of weeks ago and decided to bite the bullet and get new hubs since I've got 181K on my rig. They were dirty and a bit rusty from 6 years of use, but they looked great on the inside. The needle bearings still had some grease left (not nearly as much as I would like to see), but the were still rolling and didn't score my axle. This is the only "common" issue I know of for the hub assembly itself, the non-serviceable needle bearing. Usually it's the seals that are an issue: inner knuckle (to shaft), hub (yellow o-ring) and locking hub (black o-ring).
Senior User
Joined: Jul 2009
Posts: 223
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From: southeast texas
is your wheel bearing still in good shape? the axle shaft could be moving a lot and hitting it causing it to try and grab or just beating it, mine tried doing that a couple months ago until i changed everything out now its fine and dandy
Thread Starter
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Junior User
Joined: Dec 2007
Posts: 90
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From: Minnesota
Below is a link to a picture of the Wheel hub assembly. It is the bearings inside this non-serviceable assembly that are going bad. Did not want anyone to confuse the wheel hub assembly with the shift on the fly hubs.
http://www.autopartswarehouse.com/sk...%26+Drivetrain
I also replaced the shift on the fly hubs with Warn Premium Hubs, but that is a whole other story. :-)
http://www.autopartswarehouse.com/sk...%26+Drivetrain
I also replaced the shift on the fly hubs with Warn Premium Hubs, but that is a whole other story. :-)
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Junior User
Joined: Dec 2007
Posts: 90
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From: Minnesota
The subject should have been bearings going bad inside the Wheel hub assembly. The bearings actually start to growl and you can feel the vibration in floor of the cab. I actually had the entire assembly fall apart on me while I was in canada 1 year ago. That was fun.
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Tuned
Joined: Sep 2008
Posts: 319
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From: Verona NY
I have only had my truck for a year; I had to replace the driver's side hub when I first bought it, but good since then. I have heard that these hubs often don't last long. There is an aftermarket kit made by Dynatrac, they are known for their quality off-road drive train parts. The kit basically does away with the sealed bearing, and replaces it with the old fashioned greaseable bearings. They are more durable, serviceable, and cheap to replace when you do need to. The only disadvantage to it as far as I can tell is the price (about $1700!), but if you have to replace the factory unit very often it would be worth it. Those that have the most trouble with hub bearings are the guys with larger than stock tires.
I have a friend that has worked at several service shops, and he said 10 000 miles is not unusual. Some people take the lifetime warranty approach, they just have to do the labor when the time comes. They can leave you stranded though, don't put off replacing them when they are going.
I have a friend that has worked at several service shops, and he said 10 000 miles is not unusual. Some people take the lifetime warranty approach, they just have to do the labor when the time comes. They can leave you stranded though, don't put off replacing them when they are going.
Senior User
Joined: Jul 2009
Posts: 223
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From: southeast texas
i agree, hopefully mine lasts longer than 10,000 miles i have been running a lifetime warranty from oreilly for about 1500 miles now..so far so good.. but it was about $250 maybe closer to 3 i dont remember and it took about 1 1/2 hours to change for my first time ever messing with them, the longest part was gettin the big seal back on the axle shaft. i bought 2 complete assemblies just in case it did leave me stranded but like you said, the internals arent servicable as far as i know so its a hit or miss i rekin.
Lead Driver
Joined: Dec 2006
Posts: 7,092
Likes: 145
From: San Diego, CA
I have only had my truck for a year; I had to replace the driver's side hub when I first bought it, but good since then. I have heard that these hubs often don't last long. There is an aftermarket kit made by Dynatrac, they are known for their quality off-road drive train parts. The kit basically does away with the sealed bearing, and replaces it with the old fashioned greaseable bearings. They are more durable, serviceable, and cheap to replace when you do need to. The only disadvantage to it as far as I can tell is the price (about $1700!), but if you have to replace the factory unit very often it would be worth it. Those that have the most trouble with hub bearings are the guys with larger than stock tires.
I have a friend that has worked at several service shops, and he said 10 000 miles is not unusual. Some people take the lifetime warranty approach, they just have to do the labor when the time comes. They can leave you stranded though, don't put off replacing them when they are going.
I have a friend that has worked at several service shops, and he said 10 000 miles is not unusual. Some people take the lifetime warranty approach, they just have to do the labor when the time comes. They can leave you stranded though, don't put off replacing them when they are going.
Thread Starter
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Junior User
Joined: Dec 2007
Posts: 90
Likes: 0
From: Minnesota
Just side note, the tires are larger then factory tires. They came on the truck. I was told they are an aggressive tire for the size of the truck. May need to think about changing them sooner.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
That Timken non serviceable hub assembly is junk. Both of my seals are leaking on both sides of the hub. Junk. 66k miles. Not really big tires, 285s on stock wheels, no big time off roading. Now there has been some drag strip runs in 4x4.
Needle bearings can be serviced and or replaced. Inner seals in the hub itself where mine are leaking, not. Thanks Timken/Ford. For further just click on my avatar and look at threads started by me. You will see what I mean.
I will be tearing one open when I replace them. They were put together and therefore they can be disassembled.
Needle bearings can be serviced and or replaced. Inner seals in the hub itself where mine are leaking, not. Thanks Timken/Ford. For further just click on my avatar and look at threads started by me. You will see what I mean.
I will be tearing one open when I replace them. They were put together and therefore they can be disassembled.