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need serpentine belt diagram h3 5cyl. 2008 hummer
rick, according to your model year, your engine should be a 3.7L I5. Attached are the diagrams: 3.7L w/o AC
3.7L w AC
Hope this helps, good luck.
not sure about hummers but usually the belt routing is on a decal under the hood near the radiator. also in the owners manual that comes in the glovebox..
For those of you who have scoured the internet with no results, here’s my homemade diagram for what each of the pulleys are for. I know it’s crude, but I hope this can help those who were as lost as I was.
