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  1. 11-16 LML Duramax Powertrain
    I recently noticed my truck started to have hard starts. I figured it was batteries, which I knew i needed to replace anyways because the PO had two different brand and size flooded Batts in it. I had been driving it on and off, and it would obviously crank hard but would still fire after a...
  2. 2017-19 GM T-K2 Platform Powertrain
    I've been noticing a decently loud whining noise (almost sounds like a supercharger in a way) coming from the area of the turbo when the engine is cold. Only hear it when I'm accelerating. Once the engine gets to warm operating temp I don't hear it anymore. Doesn't seem to have any noticeable...
  3. 04.5-05 LLY Duramax Powertrain
    Guys I can’t seem to figure out why my LLY is burning so much oil in the cold (-30C). Truck has 213xxxKM. 0-40 synthetic. But only does this in the cold! Would it be a plugged PVC re route hose? I unplugged it and am trying it now. In need of help please.
  4. General Discussion
    Alright boys, winter is quite literally just about on our front sidewalks. It's going to be cold and miserable, blowing snow, iced up windows and crappy dirty roads etc. we all know how cold blooded our rigs are if you live where it's cold. Now I'm not talking a paper thin sheet of ice cold I'm...
  5. 01-04.5 LB7 Duramax Powertrain
    2004 duramax Deisel will not start. It has been hard starting for about 2 weeks and usually starts after about 15 seconds of turning over. Today it won't fire up. It is about -20 C or 4 F. I checked the prime and it was pouring fuel as soon as I opened the bleeder screw so prime is good. Battery...
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