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  #1  
Old 12-27-2007, 12:11 PM
eagleridge5 eagleridge5 is offline
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F350 front wheel bearings

I have a 2000 F350 dually 4x4 crew cab 7.3 with 115K. I'm replacing my rotors with cryo powerslots with hawk LTS pads. I've already put moog ball joints in. Trying to settle the front end down.

Does anyone know how long the front wheel bearings last, whats a symptom if they're in need of replacing, what's it take to replace them and are the hubs usually ok or are their aftermarket hubs too?

Any help to one or all would be appreciated.

Sincerely,

Weary of the shakes.
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  #2  
Old 12-27-2007, 12:46 PM
mizzitch mizzitch is offline
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I've heard of them going out from 60 to 180k. If you grab the front wheel and there is play, then they are close to done.

I would go with a good name such as Timken, if you do not use the Ford dealer's part.
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Old 12-27-2007, 02:38 PM
dagren99 dagren99 is offline
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Wheel Bearings

When they go you'll also hear/feel like your going over rumble strips right after you hit a pothole or a rough spot in the road. Wheel play is another sign they're gone as long as it doesn't come from bad ball joints. Since your doing the brakes anyway I'd go ahead pull the hub/bearing assemblies - its not that much more work. There is a bearing in the back of the hub/bearing assembly that should be greased/checked about every 55-60K anyway. I don't know of anyone who's ever sucessfully taken one of these assemblies apart and re-greased the bearings. (The hub is a sealed unit)

If they are shot you'll have to get the whole assembly + don't forget to buy the studs - both the wheel & hub mounting studs. They don't always come with them and they can be a pain to get out of the old hub assembly anyway.

When you buy the wheel studs make sure they match what's already on your truck - Ford put two different wheel stud thread pitches out there so you've only got a 50/50 shot at getting the right ones to match your lug nuts to begin with.

DG
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Last edited by dagren99; 12-27-2007 at 02:47 PM. Reason: left something out
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Old 12-27-2007, 03:50 PM
eagleridge5 eagleridge5 is offline
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Thanks guys.
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Old 01-29-2008, 06:08 PM
jefff jefff is offline
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would this cause the u joint to come down and hit on the ball joint? My axle is doing this and I have replaced the seals

2001 F250 diesel 4x4
235,000 kms
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Old 01-30-2008, 07:41 AM
dagren99 dagren99 is offline
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Axle Shaft

Yup - it would. The hub wobbling around = axle stub shaft wobbling. Guess this is another way you could tell that the hub bearings are going. The axle shaft passes through & rides on the smaller bearing in the back of the hub.

GD
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Old 02-07-2008, 10:07 AM
Mercury45 Mercury45 is offline
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well i had my needle bearings go out on me after going through deep water with a missing knuckle seal....

replaced the needle bearing on both sides on my 2003 F250 and all was fine - as for the sealed assy, if you gunna keep the truck look into the dynatrac kit

heres a link that shows some tear down:

http://www.angelfire.com/fang/mercury/ball.pdf

kenny
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Old 02-07-2008, 10:14 AM
mizzitch mizzitch is offline
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How can you justify the expense of the dynatrac kit esp if you do your own bearing maintenance? The unit bearings are only $250.
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Old 02-07-2008, 10:32 AM
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dynatrac setup also saves wear and tear on diff, plus better mpg's. I have been reading up on the kit latley and it sounds great even at 1800.00. I am sure someone who has this setup will chime in. on the other hand you could probably buy unit bearings for the life of your truck for that price also.
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Old 02-07-2008, 01:12 PM
Mercury45 Mercury45 is offline
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Quote:
Originally Posted by mizzitch
How can you justify the expense of the dynatrac kit esp if you do your own bearing maintenance? The unit bearings are only $250.
If you are going to keep the truck for many hundred thousand miles then it can easily be justified. Trucks with larger tires and big diesel engines go through wheel bearings quickly.

Luckily I have not yet had to replace my wheel bearing - but when that time comes I hope to have the money for a dynatrac


As for saving wear and tear on front diff.... i dont see how, better MPG - maybe, all it really does is allow you to maintain the wheel bearings yourself instead of having sealed units.



How can anybody justify the cost of oh so many aftermarket upgrades - we cant but we do it anyway

kenny
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Old 02-07-2008, 01:16 PM
mizzitch mizzitch is offline
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Quote:
Originally Posted by Mercury45
If you are going to keep the truck for many hundred thousand miles then it can easily be justified. Trucks with larger tires and big diesel engines go through wheel bearings quickly.

Luckily I have not yet had to replace my wheel bearing - but when that time comes I hope to have the money for a dynatrac


As for saving wear and tear on front diff.... i dont see how, better MPG - maybe, all it really does is allow you to maintain the wheel bearings yourself instead of having sealed units.



How can anybody justify the cost of oh so many aftermarket upgrades - we cant but we do it anyway

kenny

I agree for the most part...the dyna trac also makes running auto hubs impossible - so far 179,000 miles my auto hubs have been good and easier than getting out everytime you need 4x4
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Old 02-07-2008, 01:22 PM
Mercury45 Mercury45 is offline
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Quote:
Originally Posted by mizzitch
I agree for the most part...the dyna trac also makes running auto hubs impossible - so far 179,000 miles my auto hubs have been good and easier than getting out everytime you need 4x4
the very first mod i did to my truck was loosing the auto hubs - they left me stradned once when the truck was only very young... I gave up with the auto ones and put manual in.


I dont mind turning the manual hubs, if I know I am going to a bad weather area or there is snow in the forcast i just lock um and leave the transfer case out untill i need 4wd.

I leave them locked in the winter when they call for snow - it hurts gas milege sure but everybody says it makes wear and tear on the front diff if they are locked.

I am sure it does make some wear and tear but these people have to realize that the rear end is always being used too hehe

I will use the sealed assemblies if when that time comes i can get them for a good price. I also think you can get the dynatrac for less then 1800 these days

kenny
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Old 02-07-2008, 01:22 PM
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