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high miles

  1. 500k lml all stock. Issues def

    General Discussion
    My truck has 530k miles on her 2011 lml ltz and shes starting to have issues with def. Poor def quality and I'm stuck between deleting the truck or just fixing the box sensors? Its lasted this long all factory maybe I should just leave it alone??????
  2. I am new to the Duramax form!

    Hello, I am new to the Duramax Forum, but I already have a question. I am looking at buying a 2006 LBZ Duramax truck, but want to discuss it since it has 440,000 miles on it. Where is the right place to do that? Thanks
  3. looking to buy with high miles

    General Discussion
    hello i am looking to buy a 2003 2500hd 4x4 crew with 200,000 miles. i am woundering what issues occur around that amount of miles, and what i can expect to be fixing. i know the engine should last many more miles if properly maintaned, but what i am looking at is things such as water pump...