Originally Posted by aussiedude
just changed my belt, and now have black dust in the engine compartment

is this ALWAYS an indicator of belt slip, or might there be some kind of wear in on the new belt?
According to manufacturers the black powdery substance does show signs of slippage though often it is minimul it IS slippage.
Which belt did you go with?
As I think I heard in the past you are running a code 3 pulley aren't you?
Mike