>>>So, from what i gather, you can torque these down pretty good without
>>>busting the shaft?

Yes, you can bust the shaft.  I did.  :-(

It was a real pain to replace--driver side.  Had to loosen the dash.

Cleaning the splines of the arm before replacing is the
thing to do.  Then medium tightening.

                        Richard A. Jones
                        Boulder, Colorado
                        '81 Vanagon  Mr Bus