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Repair manuals
The H3 (2006 to 2010) is a midsize SUV and H3T pickup based on GM's GMT345 platform. It uses a 3.5-liter, then 3.7-liter inline-five, and the H3 Alpha has a 5.3-liter V8.
Each H3 manual covers its year's engines, transmissions, the transfer case and locking differentials, brakes and full wiring diagrams.
