Front Axle/Hub Question
Lead Driver
Joined: May 2003
Posts: 9,303
Likes: 48
From: Lyndonville, Vermont
Small Knuckle Seal or "Dust Seal"
Ford # F81Z-1S175-HCA $15.46 each
NAPA # 21918 $8.99 each
National #710413 $7.84 each
Large Knuckle Seal or "Oil Seal" (pressed on with special tool)
Ford #F81Z-3254-CB $26.54 each
NAPA N/A N/A
Ford # F81Z-1S175-HCA $15.46 each
NAPA # 21918 $8.99 each
National #710413 $7.84 each
Large Knuckle Seal or "Oil Seal" (pressed on with special tool)
Ford #F81Z-3254-CB $26.54 each
NAPA N/A N/A
Lead Driver
Joined: May 2003
Posts: 9,303
Likes: 48
From: Lyndonville, Vermont
Yes sir it just a dust seal. you will have the axle out so you should replace it. It goes on the axle. You need a tool for the big seal. Don't try to do it without it or have the dealer install the seal 4 U.
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Freshman User
Joined: Sep 2004
Posts: 41
Likes: 0
From: Tennessee
Sir you have been more than helpful. Many thanks. 5 minutes on the forum beats the hell out of the first half of the day gathering blank stares at the dealership and every parts store around.
Thanks
Chad
Thanks
Chad
Lead Driver
Joined: May 2003
Posts: 9,303
Likes: 48
From: Lyndonville, Vermont
I will send you a link with pictures so you can see what to do if I had your email address. Also now is the time to do ball joints if they are worn.
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Freshman User
Joined: Sep 2004
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From: Tennessee
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Freshman User
Joined: Sep 2004
Posts: 41
Likes: 0
From: Tennessee
Thanks Dick. I got the passenger side done this afternoon. I was really getting the run around on parts. Apparently whoever supplied the oil seals in 2000 didn't share their part #s with Ford?????? Anyway, with your part #s I was able to make short work of the job. I am going to attach the easy side (driver) next mon.
New User
Joined: Feb 2007
Posts: 21
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I found this thread on a search for a concern I have. Sounds like the same thing. Also found this photo on guzzle's site which shows the exact concern I have but doesn't reference it.
Note the seal(?) to the right of the rachet head. It looks loose on the shaft like mine does when the front wheel is turned to the side. Its inboard of the u-joint where the front shaft goes into the housing. Is this something I need to drop everything and fix before driving the truck? I assume its a big job requiring the front propshaft to be pulled out.
Note the seal(?) to the right of the rachet head. It looks loose on the shaft like mine does when the front wheel is turned to the side. Its inboard of the u-joint where the front shaft goes into the housing. Is this something I need to drop everything and fix before driving the truck? I assume its a big job requiring the front propshaft to be pulled out.
New User
Joined: Jan 2006
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the seal you are questioning is only a dust seal and does not actually fit into the axle tube it is pressed up against it by the axle shaft. jack up the truck and check for bearing play or ball joint slop. if you have neither i would'nt pull it apart just for that dust seal. How close to a 60,000mile service of the needle bearings are you?
and of course this is just my opinion.there is an actual oil seal inside the axle tube just past the diff carrier to keep diff lube in and dirt and grime out. in the tech section there is a great article on ball joint replacement it will tell you all you have to do to get to that seal good luck
and of course this is just my opinion.there is an actual oil seal inside the axle tube just past the diff carrier to keep diff lube in and dirt and grime out. in the tech section there is a great article on ball joint replacement it will tell you all you have to do to get to that seal good luck
Last edited by mountngoat; Mar 6, 2007 at 08:54 PM.
Fleet Mechanic
Joined: Feb 2005
Posts: 1,797
Likes: 1
From: Northern Colorado
Originally Posted by Redonthehead
I found this thread on a search for a concern I have. Sounds like the same thing. Also found this photo on guzzle's site which shows the exact concern I have but doesn't reference it.
Note the seal(?) to the right of the rachet head. It looks loose on the shaft like mine does when the front wheel is turned to the side. Its inboard of the u-joint where the front shaft goes into the housing. Is this something I need to drop everything and fix before driving the truck? I assume its a big job requiring the front propshaft to be pulled out.
Note the seal(?) to the right of the rachet head. It looks loose on the shaft like mine does when the front wheel is turned to the side. Its inboard of the u-joint where the front shaft goes into the housing. Is this something I need to drop everything and fix before driving the truck? I assume its a big job requiring the front propshaft to be pulled out.