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  1. 05 Duramax Timing Belt or Gear Driven

    As we love our Diesels my wife VW Beetle's timing belt wasn't changed threw the timing, messed up the engine big time.:o So made me think does my Duramax have a timing belt that needs inspected ie changed? Or is it Gear Driven? Don't want to lose my truck its a beast and a workhorse. Any...