2002 VY L67 Calais Sedan, 2012 VE L77 Calais Wagon
As above _R_J_K_ mentioned, it could be a another pulley
On the other had, place some dry lube on the belt, or some rubber grease
You say your in Victoria,
Hmm were, its a big state ,
because if you indicate a specific location,
Other members may be able to assist.