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  1. 04.5-05 LLY Duramax Powertrain
    I have a 2004.5 duramax with the lly. I just bought the truck with 130,000 on it it runs awsome but I have a knocking or clicking noise under half throttle accelerating form 55 mph. It is really bothering me and don't know wat to do if u really step in to it when the turbo spools up it goes way...
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