Oil soaked brakes on G

Need to repair brakes on neighbors G. Pedals are firm but hardly any brakes. Noticed oil leaking at both axle housings. Guess axle seals are bad, is this a common problem? Any thing else to look for while apart? Michael
 
I'd suggest going back together with two seals on each axle just to make it more likely that least one gets a good running surface. I don't remember the number, but NAPA has the seals. Search archives for a discussion of this. Also, be prepared to find a once-broken and re-welded axle. Breaking right where the seal runs was not uncommon. Not all repair jobs left a good smooth, round surface for the seal to run on. Getting back together without buggering up new seals can be a bit tricky. I'd suggest taking the studs out, temporarily replacing with with 5/8" guide rods, that are a foot or so long. Then when the axle is in place and you replace the guide rods and put the studs back, put some Permatex on the threads. Also, Permatex both sides of all the metal shims. While it's open and you can see inside, look for broken bolts on the ring gear. Do only one axle at a time, otherwise the differential carrier will drop to the bottom of the differential case and you'll have an even bigger repair job than you bargained for.
 
It's likely that the oil level rose above the seals from water accumulating in the diff. housing . Crack the drain plug and see how much water comes out, then proceed with the repair....
 
As you may or may not know water can get into Allis transmissions through the shift lever if the boot is gone or cracked. Keep the boot in good shape.
 
Leon, this is the one you found when we were on this a while back -

Joe


Product Line: NAPA Oil Seals
Part Number: NOS 12456

Attributes:
Axle Shaft Seal I.D. : 1.25"
Axle Shaft Seal O.D. : 2.004"
Axle Shaft Seal Width : .25"
napa page
 
If you find the lining in good condition you can cook out the oil with a propane torch and the lining will be as good as new.
It's not a bad job to replace the seals. I've done 2 of them. I agree with the double seals on each side. I don't think the broken axle is as common as it was described. I've never seen one yet over many years.
LOL Bob
 
I had my '97 Dodge pick-up in for a brake job. The shop said that the shoes on the wheel with the leaky brake cylinder didn't need replaced and that they could clean them. I doubted that but with the new material used in brakes, decided to take their word on it. About 3 month later I was in there replacing the oil soaked shoes. Their cleaning job, whatever it was, didn't work so well.
 

I place oil-soaked brake linings (shoes) in a shallow pan and put about 1/2" of Gasoline in the pan, set it on fire and let it burn the oil off...
When cool, they are nice and Dry..!!

Ron..
 

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