<snip>
> This is the inner joint, bolted to the transmission. How hard/easy is
> this to fix? Does the entire axle need to come out?
<snip>

My advice would be to remove both axles .... clean up and regrease the
good Joints and replace the bad ones.  If one is bad ... it stands to
reason that it won't be long before you're back in there again for the
others.

How long has it been since the joints were regreased?  If it's gone more
than 50,000 miles since they were serviced you really should attend to
all of 'em.

Mike
'84 GL 7 pass auto
'85 GL Westy 4 speed