Hi MG Bob,
Odds are that the oil leak is caused by a blocked vent hold in the axle
housing. Somehow pressure builds up inside the axle housing as you drive and
the seals aren't made to withstand any pressure. Opening up the hole may
cure the problem.
The hole is located on top of the left axle tube about 1 to 2 inches outboard
from the main center casting. It's about 1/8 to 3/32" dia hole but an ice
pick or piece of coat hanger wire will do the job. It's probably covered
over with grease and dirt. Wipe away as much dirt, etc. as you can before
poking to minimize the amount that gets punched through.
On brake cleaner, I've had very good results with a spray can product called
CRC Brakleen made by CRC Industries in Warminster, Pa. The can has the
number 800-272-8963 for Customer Service. I bought mine at a local auto
parts store and is probably available anywhere. Good Stuff. Jim
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