Sterling 10.25 axle seal question

ADV

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I am changing the wheel seal on my 1993 f350 I just got. I have the hub off and got the old seal out I go to press the new one in thinking I would be using a block of wood and a hammer to tap it in but all I had to do was just lightly press it in with my hand that just did not seam right. I put the hub on torqued the lock nut down to 55 ft/lb and backed it off 5 clicks I think this was right? Now when I spin the hub the seal stay stationary it don't move with the hub? Even before I put the hub on the truck I could move the seal around in the hub.


Do I have a bad seal that is to small?
 

Diesel_brad

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That seal better fit in the hub tighter than that. You need to DRIVE a scotseal in just like any other seal
 

ADV

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I will post a picture of the seal tomorrow. The parking brake adjuster arm was messed up and rubbing on the hub long enough to make a grove in the hub so maybe the hub is messed up? I have an extra axle out of a 88 f250 I will pull the hub off of and see how the seal fits.

Am I setting the lock nut right?
 

02x72

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When I replaced mine all it needed was a few light taps from the hammer to set in. put some liquid gasket around the mating surface and it hasn't given me a problem in a year since I did it.
 

ADV

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I did not get a picture but its a SKF brand. Good thing I done need the truck right now and have time to get this problem figured out.
 

RLDSL

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There are two of those scot seals. One type requires a tool to install and seats against the wheel side like it's welded in, and the other is a hand press fit. Part of the seal is supposed to remain basically locked to the axle shaft and the seal rotates internally. they are odd critters but they work nicely.
 

88F350idi

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thats right.... i have used both in the past. both have worked equally well for me. i agree it seems weird to press in a seal by hand but mine worked fine
 

franklin2

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This is thread is a few days old, but I thought I would throw my two cents in. Some of the guys in this thread I believe are assuming you have the good repair type seal. But you may have the regular seal that the factory used, which looks like a regular seal. You can still get these seals, a friend of mine bought one and used it, and it leaked also.

What you need is the repair type seal. I believe I bought mine from Advance Auto. I am not sure if Autozone carries it. It was made by Timken. One way to know if you are getting this seal is the cost. About a year ago it was approx $30.00. It does come with a special metal cup that is the installation tool.

You say the seal surface on the axle might have a groove. This does not matter with the repair type seal, the instructions tell you to put silicone sealant on this area. This seal is a complex affair that gives you a piece that seals to the axle housing with silicone, and it has a brand new seal surface made into it that a outer seal runs against. You basically install it as one piece, but it's a couple pieces put together. It works great and is worth the money.
 

ADV

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as far as I can tell its just the old seal one side is mostly steel and is stamped air side. I still need to take a better look at it after I put it in and it did not seam right i started running new brake lines and other stuff my truck needs.
 

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