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  1. General Discussion
    Hey guys new here. Just bought my first diesel this past spring with just under 160k on the dash. It’s fully deleted and has the minimum PPEI tune on the truck. Studded head bolts. Recently noticed my overflow portion of my coolant tank had no antifreeze in it, so I followed factory instructions...
  2. Maintenance
    Hope this is the right forum. 2016 Silverado 3500 duramax. 92k miles, egr system replaced at dealer. $5k. Every since coolant level drops to 1/2 the tank 30 minutes or so after driving for 30 miles to and from work. Stop leak out in. I notice coolant hanging out where motor meets...
  3. 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...
  4. 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...
  5. 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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