drain the gearbox, open it up, change your gaskets, put it back together, fill it up, and drive away
Dana 44 front diff and 9.25 rear diff
Rear of passenger side of engine.Rear of passenger side of engine.
It is not the brakes leaking oil , Its the axel seals leaking rear end gear oil. If its not gear oil , Then its brake fluid and that means wheel cylinders are leaking.
90w gear lub
It's on the top rear of the engine block, behind the intake manifold, on the "passanger side" of the distributor.
it is usually the rear brake cylinder that's leaking and needs to be replace on that side.
Axle seals
That will vary on the gear your are in and what the rear axle gear ratio is.
rear main seal leaking
If the front is 3.55, then the rear needs to be 3.55
75w90 gear oil.
Rear end ratio: 2.82