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Model family

GMC Sierra 2500 HD 4WD CNG

Observed 2005–2005 (US EPA) · observed model years, not a production range

  • A Veterans Day Story Worth Sharing: RealTruck Custom Build Hero Edition

    Ford Truck Enthusiasts · Amber@RealTruck · 9 Nov 2026

    For Veterans Day, I wanted to share a story from our Build Series: Hero Edition archives. I know it’s a GMC Sierra rather than a Ford, but I thought this one deserved a spot here. Army Staff...

  • Arriving in Olancha

    IH8MUD · 65swb45 · 8 Nov 2026

    Arriving in Olancha by Mark Algazy There is nothing quite like arriving in Olancha. At 9.A.M. On a Thursday. In December. First of all, it has probably been decades since any one associated the words 'arriving' and “Olancha' in the same sentence. Secondly, for those who only travel the blacktop, 9a.m in December ANYWHERE in the Eastern Sierra only conjurs up images of cold, blustering wind. Since I had not started out my latest adventure with... Read more

  • GV60 Eastern Sierra Road Trip

    Genesis Owners · gvjim · 24 Oct 2026

    My wife and I just made a fantastic road trip from Los Angeles to see the fall colors in the Eastern Sierra. This is a trip I've wanted to take since I first thought about purchasing an EV. I won't put a full write up here but if anyone is interested I posted a photo blog on Mastodon. Jim Rea (@provuejim@techhub.social) Attached: 1 image Ever since I first started thinking about buying an EV four years ago, the trip I wanted to take was up Highway 395 to see the fall colors in the Eastern Sierra. In fact, verifying that this trip was possible in an EV was one of the prerequisites of making th…

  • Any L5P owners here with long-term CCV experience?

    RamForum · forearningpurpose · 4 Oct 2026

    Hi everyone I help a diesel parts business with online content. Most of my work covers GM trucks so I’m posting this in the other vehicle section. Has anyone here owned a 2017–2024 Silverado or Sierra HD with the L5P and had trouble with the crankcase ventilation system? I’d like to hear what the first symptoms were and what the diagnosis showed. If you kept the factory setup or changed it after a confirmed problem, how did it hold up over time? Please include your truck year and... Read more