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2005 chevy duramax

  1. 04.5-05 LLY Duramax Powertrain
    So I have a 2005 LLY Duramax crew cab and I’m new to the Duramax diesel world and I’ve only owned the truck since October 2019 til now and the truck just turned over 205k miles. Now my question is, would a leaking injector return line cause injector knock? The passenger side, #7 injector, return...
  2. General Discussion
    Should there be oil on the glow plugs and injectors when I pull them? I was doing a compression test today, all minus 2 that the glow plug head broke are at 350, and I noticed oil when I pulled the glow plug and an injector. Is that normal? This all started because I had a huge leak of oil...
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