2004 Chevy Express Serpentine Belt Diagrams

This is for the 4.8L, 5.3L, and 6.0L size engines:

2004-Chevy-Express-4.8L-5.3L-6.0L-Serpentine-Belt-Diagrams

This is for the  4.3L, 5.0L and 5.7L size engines without air conditioner:

2004 Chevy Express 4.3L 5.0L 5.7L No A/C