[Farmall] Stop leak oil additive

[Mike Sloane]

Sometimes the additives work, and sometimes they don't. I suppose it is 
worth a try.

Splitting the Cub really isn't all that big a deal to get at the rear 
main seal. But the new seal will be a little loose in the retainer - 
make sure that you use some heat resistant goop to keep it in place. I 
use Loctite 603 and have never had a problem.  The instructions for 
splitting the Cub are described in detail in the Cub service manual 
(available from Binder Books <www.binderbooks.com>). You will need to 
prop up the front of the tractor with some cribbing and an air wrench 
works best on removing/installing the clutch and flywheel.

The front seal is a little harder to replace but, again, not all that 
big a deal on the Cub. (I have never had to do one, but it doesn't look 
like too bad a job.).

Mike

John Bailey wrote:
> When I rebuilt my 1950 Farmall Cub, other than replacing a busted
> piston and grinding the valves, I really didn't do any more rebuild
> work on the engine. I now find that both front and rear main seals
> are leaking, not a lot, but just enough to leave a little spot of oil
> on the driveway. It's really not that big a deal as I never plan on
> working the tractor, just show it and ride it around the yard
> occasionally.
> 
> I have seen oil additives advertised that will supposedly recondition
> oil seals and possibly make the leaks stop. Has anybody had any
> experience with such additives? Should I try one or just leave it
> alone?
> 
> Any advise would be appreciated.