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  1. Colorado Diesel Mechanical
    Looking for some advice on the above two issues with my 2016 Colorado Z71. I purchased used in Sept. '19 and the truck already had 90k miles logged. I noticed the hissing noise associated with the turbo a couple months ago. From what I've read it's likely a bent fin. The deal with the...
  2. Colorado Diesel General Discussions
    Has anyone put a DPF-back exhaust on their truck? I want to put an exhaust but I don't want to void my warranty or set of any engine lights. any suggestions?
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