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A smaller version of GM's rebirth of the Hummer.

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need serpentine belt routing diagram

need serpentine belt diagram h3 5cyl. 2008 hummer

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rick, according to your model year, your engine should be a 3.7L I5. Attached are the diagrams:

3.7L w/o AC

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3.7L w AC

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Hope this helps, good luck.

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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..

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rick will be eternally grateful.
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