Thread: hub seals

Originally Posted by dirtdawg

its now the 4th time in 6 months that the right hand rear has crapped itself and the last time it went the workshop replaced it but now im doing it again is there a better hub seal then the oem one? im getting sick of doing seals and bearings

Gday dirtdawg
When I converted the fronts to oil and Maxi Flanges I used the oil seal in the hubs Part Number RTC3511, I think this can also be used in the rear.

Do you have oil lubed bearings on the rear?

4th time in 6 months

arent alarm bells ringing like its not the hub seal failing but something else causing it to. whether it be poor installation of the seat being stuffed etc etc

hope u find a solution
Serg

Could try putting the seal in a bit deeper or less deep to find a better seal face. Otherwise I think the standards are speedisleeve or replace hub or stub axle.

Simon

mate i'm having the same problem with my right rear as well, i have checked the breather, air line for the locker , fitted a new stubb and its leaking again

How deep are you setting the seal?
I have to seat mine until the most protruding lip is flush with the outer lip of the hub. Any further out and I found they fail quickly.

Originally Posted by Dougal

How deep are you setting the seal?
I have to seat mine until the most protruding lip is flush with the outer lip of the hub. Any further out and I found they fail quickly.

i have tried flush, a couple of mm under, is bottoming it out too far in?

Originally Posted by weeds

i have tried flush, a couple of mm under, is bottoming it out too far in?

It will depend on your wheel bearings. I expect them all to sit in a similar amount, but being taper rollers, there will be a bit of variation.

Here's a section view of my current rear hubs (circa 97 disco), I haven't drawn the radius where the stub axle seal face meets the flange, but it still gives you a good idea of just how things sit when assembled.
Seal fitment and clearance in these seems identical to the 85 RRC hubs I had prior (same vehicle, changed the axles and hubs last year).

Ditto what Dougal said, although I usually just seat it 4mm down the bore using the RTC3511 seal using the depth gauge of my verniers.

My oldest ones would be well over 5 years old now and probably 150,000km and are fine.
The only time I've had one fail was a dodgy seal face and the diff breather blocked. As Simon said, a Speedi Sleeve fixed it.