Well, you need to stop the internals from rotating when you loosen the fixing. If you don't have the parking brake attached, which I assume is the case since you're asking, You can either attach it or use something on one of the output flanges. Attaching one of the propshafts and sliding a small bar through the u-joint to press against the floor (or have someone hold it) should work.
I've also done it, but only on gearboxes I'm completely rebuilding, by removing the top cover and wedging a piece of hardwood between the gears. Probably not something you want to do in the case as you can get bits of wood in the case.
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Tom Rowe
Atlanta, GA
Four wheel drive allows you to get stuck
in places even more inaccessible.
62 88 reg
67 NADA x2
74 Air Portable - The Antichrist (tag 6A666)
95 D1 - R380
95 D90 - R380
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