When ever I come into work I full lock to the left to get in the car park, I have always had a slight clunk (I guessed from the diff), Its never gotten any worse though. This morning though i had a more metal whine noise, not loud but almost like when you have a loose wheel nut, as I moved forward whilst full locking, it was just there, doesnt do it when i full lock to the right though.

Any ideas or suggestions?

 

Get someone to listen from outside the car to identify what corner it's realy coming from, could just be the power steering at it's limit.