Lumina V6-191 3.1L VIN T MFI (1993)
Drive Belt: Description and Operation
Serpentine Belt
A single (serpentine) belt is used to drive all engine accessories, unless equipped with an air injection pump. The air injection pump is driven by its own
drive belt. The serpentine belt driven accessories are rigidly mounted with belt tension maintained by a spring-loaded tensioner assembly. Belt routing is
shown in the illustration.