1st thing to do is mark sliding joint [so it goes back into same splines] with tipex or paint etc.then remove propshaft undo cap on sliding joint and remove rear section. then you can knock off centre bearing [note which way it fits,you will have to knock against the grease retainer [should be new ones in new brg assy] then put on new grease retainer followed by bearing ,which you can tap on with a parallel punch, then other retainer taps on dont bend the retainers when knocking on!.then re-fit rear section [aligning the marks you put on,]refit prop assy .
k, March 2010