Hi all....this is my first post here and I hope someone can steer me in the right direction. I have a friend with a 1960 F500 and the rear diff is leaking around the pinion yoke. I myself have replace dozens of ring and pinions in light trucks, cars and jeeps...heck.....even did the ring and pinion on my motorcycle. I have not ever delt with a diff like what is in this truck. I was hoping to remove the pinion yoke and then remove the seal plate and replace the pinion seal and button it up. Not so fast......I would first like to get a diagram or possibly disassembly instruction for what I am doing before I go in there. Not sure if the whole 3rd member needs to be removed before I can remove the pinion seal plate or can I just remove the pinion yoke and then the plate to replace the seal. Any and all help is greatly appreciated! Thanks in advance for your time and help!

 

My manual only goes back to 1961. But I can look. Does it have an Eaton, Splicer, or Timken axle? Welcome to the forum.

 

This is the 1967/72 forum. You need to ask questions in the LARGE TRUCK forum.

 

Timken single speed I am pretty sure.....

 

Sorry.....I didn't notice....I will post there.....

 

I have moved this discussion to the proper forum........Large Truck forum.

 

Thanks for the welcome Gary....I have moved the discussion where I should have posted in the first place......oooooops. It seems to be a Timken single speed.

 

You may have moved the discussion to the LARGE TRUCK forum, but have continued to post here.

4676 is the pinion seal.

TCAA-4676-A .. Pinion Seal - Timken C100 & D100 / Timken: A-1205-G-683 or A-3366-V-126 / Obsolete

GREEN SALES CO. in Cincinnati OH has 50 = 800-543-4959.

 

Thanks Bill....should that "seal plate" (the non-seal part of 4674) come off for removal once the 8 bolts around it are removed?

 

I would assume so, since the pinion seal could be bought by itself. It was also available as TDAA-4674-A .. Retainer & Pinion Seal.

 

Thanks for helping him, even though it was the wrong place to post the question.

 

Thread moved to the Large Truck forum - and your other one (with no replies) removed.

The missing part to this puzzle is the torque spec on the yoke nut. Much like most other heavy-duty axles, the pinion bearing preload is set with shims, so you can take the yoke off, replace the seal and put it all back together without replacing a crush-collar.

But you need to know what the torque spec is on that nut.

Anyone?