on August 3, 2011, 9:34 pm, in reply to "Re: Audi A4 2.0TDi 140 BLB - Rough idle, code P16686 #"
"The timing belt had jumped teeth" and not stripped teeth off!! Think of the easyiest way a belt could possiblily jump with-out damage.
I am assuming the belt was still tensioned some-where near correct.
Kev.