Chevrolet Silverado 2014-Present: How to Replace the Serpentine Belt. How to Replace the Serpentine Belt Routine maintenance that will keep your engine running correctly. This article applies to the Chevrolet Silverado 1500 (2014-Present). In the old days, every component on the.. Serpentine Belt 1991 4.3 V6.. I checked the 1991 GM S/T Truck Master Parts Catalog the OE belt for my 1991 S10 Blazer 4.3L w/A.C. was a GM 10069211 belt (discontinued) which was shown in the parts catalog to be 95.24" long.. That is why the factory put a belt diagram decal on the fan shroud. To replace the belt, you will need to.
4.3L Vortec Engine Belt Routing Diagram. Picture and diagram of How to Replace Belt on 4.3L Vortec V6 in Trucks. This is the routing of the serpentine belt on the GM 4.3L Vortec V6 engine in Chevrolet and GMC Trucks.. GMC Chevy 4.3L Vortec Engine Serpentine Belt Routing Diagram with ACFor NO AC Belt Diagram, Check out this Video: https://www.youtube.com/watch?v=gvr5eMEGnU.