Rear differential rebuild
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Senior User
Joined: Jul 2017
Posts: 114
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From: Yuba City
How many responders here have actually looked in their Sterling 10.5?
Most all of them appear to have had pinion to carrier contact (like the first picture) and they have not. All three of mine (1999, 2000, and 2002) have those exact same marks as well as just about every 10.5 I've taken apart in the professional automotive technician world from 1999-2010. I promise you that if there was really contact, there would be more than just a little bit of powder on the magnet and there would be absolute bearing destruction in a very short amount of time with all the metal SHAVINGS that would be floating around.
Most all of them appear to have had pinion to carrier contact (like the first picture) and they have not. All three of mine (1999, 2000, and 2002) have those exact same marks as well as just about every 10.5 I've taken apart in the professional automotive technician world from 1999-2010. I promise you that if there was really contact, there would be more than just a little bit of powder on the magnet and there would be absolute bearing destruction in a very short amount of time with all the metal SHAVINGS that would be floating around.
Btw what should I use to clean it? Just break cleaner?
Post Fiend
Joined: Mar 2015
Posts: 5,277
Likes: 32
From: Blairsville, Pennsylvania
FYI. As far as loose axle going into the rear differential...
I recently replaced the front pinion seal and the bearing (not the race),which was a pretty simple knock-it-out for the seal, pull out the bearing and inspect it, check over the race, insert new bearing, press in new seal with giant round piece of steel.
All while on the truck (chock all the wheels).
IIRC, the bearing was about $20 or less, seal around $10-$12 maybe?
Check your universals (ujoints). I replaced the rear one on the rear drive shaft TWICE and the front one once, which is what I figured made the seal eventually leak.
Hope this helps.
I recently replaced the front pinion seal and the bearing (not the race),which was a pretty simple knock-it-out for the seal, pull out the bearing and inspect it, check over the race, insert new bearing, press in new seal with giant round piece of steel.
All while on the truck (chock all the wheels).
IIRC, the bearing was about $20 or less, seal around $10-$12 maybe?
Check your universals (ujoints). I replaced the rear one on the rear drive shaft TWICE and the front one once, which is what I figured made the seal eventually leak.
Hope this helps.
Lead Driver
Joined: Sep 2010
Posts: 7,793
Likes: 50
https://www.ford-trucks.com/forums/1...mportance.html
Thread Starter
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Senior User
Joined: Jul 2017
Posts: 114
Likes: 0
From: Yuba City
FYI. As far as loose axle going into the rear differential...
I recently replaced the front pinion seal and the bearing (not the race),which was a pretty simple knock-it-out for the seal, pull out the bearing and inspect it, check over the race, insert new bearing, press in new seal with giant round piece of steel.
All while on the truck (chock all the wheels).
IIRC, the bearing was about $20 or less, seal around $10-$12 maybe?
Check your universals (ujoints). I replaced the rear one on the rear drive shaft TWICE and the front one once, which is what I figured made the seal eventually leak.
Hope this helps.
I recently replaced the front pinion seal and the bearing (not the race),which was a pretty simple knock-it-out for the seal, pull out the bearing and inspect it, check over the race, insert new bearing, press in new seal with giant round piece of steel.
All while on the truck (chock all the wheels).
IIRC, the bearing was about $20 or less, seal around $10-$12 maybe?
Check your universals (ujoints). I replaced the rear one on the rear drive shaft TWICE and the front one once, which is what I figured made the seal eventually leak.
Hope this helps.
Thank you exPA
Cargo Master
Joined: Nov 2005
Posts: 2,768
Likes: 58
From: East Tawas, MI
Timmer,
Yes, I was enlightened in the past few months. I think May was go around two and June was three.
I replaced the open diff to a LS because I plow in northern Michigan. That was my May learning curve. I had terrible chatter and my clutches were toast so I just put another under it as an open until I can decide on the LS or go with a locker.
The one I offered you for FREE was the open diff that just needed a yoke.
And yes Cleatus showers!!
Yes, I was enlightened in the past few months. I think May was go around two and June was three.
I replaced the open diff to a LS because I plow in northern Michigan. That was my May learning curve. I had terrible chatter and my clutches were toast so I just put another under it as an open until I can decide on the LS or go with a locker.
The one I offered you for FREE was the open diff that just needed a yoke.
And yes Cleatus showers!!
Lead Driver
Joined: Sep 2010
Posts: 7,793
Likes: 50
Hahaha...guess I should be smacked upside the head with a dingleberry, since I started a new thread in regards to an upcoming Under The Knife thread, with truck having a date with the axle rebuilder. Maybe then, you could've enlightened the thread with your findings..(my original thread where I posted pics, in march)...owell, 4,10s sure are nice to tow with 😉
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