I cant get the bolts loose that hold the rear of the differential to the moustache bar through the big square bushing. Is there anyway to get this off? One of the nuts is stripped also. Can the bushing be replaced?

Might be best if you remove the diff. housing with the moustache bar still attached [assuming it is still in the car].

Once out of the car you can get a decent go at the retaining nuts.

They screw on to studs which screw into the rear cover.

If one of the nuts is stripped, just cut it down with a grinder until it falls away.

The studs can be renewed, but if you are clever enough you shouldn't damage it with the grinder:nervous:.

The Haynes manual calls them "differential rear mounting bolts" but they are really screw in studs with a nyloc nut.

Sounds great, we are now going about it that way ( I think) so we will see what happens! Thanks!