Chevrolet Silverado 4500HD 2022 Owner's Manual page 377

Technical Data 375
Engine Drive Belt Routing
6.6L V8 Engine (Single Generator without Air 6.6L V8 Engine Engine (Dual Generator
Compressor - 4 Pulley Fan Drive) without Air Compressor - 3 Pulley Fan Drive)
6.6L V8 Engine (Single Generator without Air
Compressor - 3 Pulley Fan Drive)
6.6L V8 Engine (Single Generator with Air 6.6L V8 Engine (Dual Generator without Air
Compressor) Compressor - 4 Pulley Fan Drive)