I started out to do a rear brake job on my '89 Taurus. But instead of
> finding the usual cotter pin arrangement, I encountered what appears to be a
> type of sheet metal cap around the axle nut. It looks like it might be some
> sort of nut-locking device. Does anyone here know what I'm talking bout?
> I've attached a picture file.
>
> Thanks.
>
looks like you went too far....I think that drum should come off without removing the hub. you might have to take a hammer to it.