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  1. 06-07 LBZ & LLY Duramax Powertrain
    I wanted to see what y’all think. I just had HG replaced, engine studded, water pump replaced and oiler cooler gaskets done. Now I noticed it’s dripping from here when I stop and shut it off. I did have a coolant low 2 weeks after the shop visit added coolant seems good now. Even the hose...
  2. 11-16 LML Performance Parts Discussion
    Needing some insight on 2013 lml bone stock not deleted. Here's what i have going on: When idling for a while (hooking up camper) or towing camper at 9,000lbs for roughly hour and a half in tow mode exhaust brake "coolant level low add coolant" comes on. Level seems right at about sensor level...
  3. 07.5-10 LMM Duramax Powertrain
    I have a 2009 3500 LMM Over the years I have had coolant loss's and they were not always easy to find but we always found them water pump, hoses etc. But I cannot find the problem this time. While I dont know it has anything to do with it, I had a complete EGR delete done recently. Here are...
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