OK cool, I did have my PS fluid changed before I left, but my steering seems totally fine...

Thanks - Bart

Quote Originally Posted by Joe_Black
Thanks for the additional info Bart. The turning of the wheels puts a load on the PS pump, and that it happens only while the driveline is torqued up helps. I'm going to share this info with some mechanic friends and see what comes up as I'm drawing an ineffective blank just yet.

Hope to have something for you very soon if no one else forwards a theory in the interim.