First off, unless you have a locked or limited slip diff, only one side will
spin when you spin it from the drive shaft plate. The side with the least
resistance to movement spins. This is the way a standard open diff works.
Ever been stuck, and had only one wheel that would spin ? This is why.
The problem, could actually be a couple of things. It could be a bent axle,
but based on the little amount of oil you found, I'd be more suspicious of the
bearings. It all too possible that one or more bearings is rusted or seized.
First, pull the axles and check that they are straight. If they are, strip the
housing down, get everything cleaned, and install new bearings. Then
reassemble and lube everything. That should do it.
Joe
'75 B Roadster
Lowered and loud.
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