Output shaft oil seals

sdibbers

Well-Known Member
I think I need to replace the left hand one on my 2000TC as oil is getting thrown onto the disc.

Do I need to remove the diff or is it possible to do in situ?

Also, any recommendations forthright collapsible collar? I know some have the incorrect seam welded tubes that don’t, well, collapse.
 
Found a few more posts on the matter. So now know I can remove the flange assembly.
Paging @harveyp6 what do I use to remove the thrust collar? I could make up the tool in the back of the manual but it looks quite a palavor.
 
I have taken off the thrust collar before. I used a “bearing holder” that is in Vern’s workshop. It pressed off without too much trouble. We did apply some heat to the collar. Then it released. I can take a photo of the holder if needed. Too halve that bolt together around the collar.

Does your differential have a breather? If it does not you might want to fit one. Wadhams sells a genuine Rover kit for this. This will make your seals last a lot longer.
 
Hi James,

Yep, it has the breather. If you have a pic it would be handy. I can most likely make one and have dimensions for the collar slot from the RCCC site drawing.
 
Thanks for this James. Ordered the kit with the splitter and puller combined. Should be able to pull the collar now. Did you reuse the collar or turn a new one?
 
Thanks for this James. Ordered the kit with the splitter and puller combined. Should be able to pull the collar now. Did you reuse the collar or turn a new one?
I have not got that far yet. The collar was on a broken sub axle that Andre Shay gave me to practice pressing it out. I now have a spare collar, incase I have problems with the ones on the car. All I need now is motivation!

I think most people reuse them, although I think Rover recommended replacement.
 
I think we sat it on two rectangular bars, and then pressed on a large drift on the center I think is how we did it.
Great, seals are going to be waiting for me at Dads house in London Friday. I have a drawing for making a new collar if I need to along with some low carbon steel to turn it out of. I just need to find time (it’s always time or money, we never seem to have both in good supply)
 
Well, finally fixed the seal today. See my update here. It was a ten hour ordeal with machining, 20 ton presses and turning steel to an accuracy of 0.001”. I’m done, no leaks and brakes working as they should again.

@j_radcliffe the bearing splitter couldn’t budge the collar. Had to turn the old one off on the lathe.

@cobraboy avoided JRW by making my own collar. See drawing attached on my post linked above for drawing.
 
Mine has decided to start leaking as well :confused: I guess I really can't complain, it has so far seen 274,415 (441,808km) miles of service. I replaced the original shaft which had a leaking oil seal at 118,296 miles (190,046km) back in 1993. Incidentally, both leaking oil seals are on the near side. Coincidence?

I have NOS seals in Rover wrapping, so I could take the original shaft to a differential place and ask if they can change the oil seals. I might consult the Land Rover people in Sydney that I have used on numerous occasions and see what Ward thinks.
I seem to recall that there are commonalities between the P6B differential and one or more of the Land Rover differentials. Is that a fact or did I just imagine that?

Is it likely to worsen quickly or stay pretty much as is for a good many more thousands of miles? It forms a drip, but there is no evidence on the garage floor, nor is the oil blown everywhere, apart from what is illustrated in the photo.

Ron.
Leaking diff oil seal.jpg
 
In my experience if the car has sat for a good while the leaks go. Mine stayed with minor seepage for a good few years, when it went it went pretty badly, the old seal was like Bakelite from age. If it starts leaking in service it’s time for a new seal. I wouldn’t use a NOS oilseal. I’d fit a new one. 50 year old rubber isn’t a reliable thing. They are available from the usual suspects.

One note on the Land Rover shop. The internals may well be similar to a LR diff, but the output shaft assembly is unique to the P6. You may need the help of a machine shop to turn off and replace the thrust collar.
 
If the Land Rover place have the Churchill tool to do the Land Rover hubs, there should be 2 halfmoon plates with the tool to press off the collars on the p6 output shafts.
 
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