GM Vortec Dual Belt Routing
Picture and diagram of How to Replace Belt on 5.3L, 5.7L, 6.0L Vortec V8 in Trucks.
This is the routing of the serpentine belt on the GM V8 Vortec engines in Chevrolet and GMC Trucks.

Picture and diagram of How to Replace Belt on 5.3L, 5.7L, 6.0L Vortec V8 in Trucks.
This is the routing of the serpentine belt on the GM V8 Vortec engines in Chevrolet and GMC Trucks.
Question: How do you route a 350 vortec belt?
Answer: I think they have a picture for that too. Just search this site.
Question: What is the smaller belt in the lower left hand corner for?
Answer: The smaller belt is for the A/C compressor.