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  1. 07.5-10 LMM Duramax Powertrain
    Hello all, i just bought an 09' sierra sle duramax, 2500hd, and just today i've noticed the engine sounding extra deep, and the exhaust's smell has become much stronger, and almost smells abnormal. Any ideas what it may be? Only things I've used besides diesel fuel was some ATF in one fill up...
  2. Wheels & Tires
    Hey can anyone help I need some knowledge on tires and truck index. so I own a 2013 Chevrolet Silverado 2500 hd 4x4 I just got a new lift tires and rims when I picked up my truck my tires are Nitto 33x12.5xR20 they have a tire index of 119q and are rated F my question is when I went to get them...
  3. 04.5-05 LLY Duramax Powertrain
    So I stopped for fuel today because I was at an 1/8th of a tank (low fuel light was NOT on). After getting fuel, the truck would start without any problems or hesitation but would then shut off after about 1 second of running normally. It didn't chug or sputter before it died either, it just...
1-3 of 3 Results