Here is a directory of serpentine belt diagrams for popular makes and models. 1991 cadillac deville v8 4 9l serpentine. […]

Vy commodore 3 8litre v6 crankcase service refill 5 5litres manual trans 1 2litres auto 4 8litres diff 1 7liitres […]

I checked it is indeed a 15mm head you only have to move the bottom tensioner. Vy v8 commodore belt […]