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1-9 of 9 Results
  1. Duramax Fifth Generation: 2011-2016 (LML)
    So, I noticed today after starting my truck to head home from work a weird whine coming from my engine bay. I took the truck for a drive around the block to get a video of the noise from in the cab, and than parked the truck. I just opened the hood and the noise sounds like its coming from the...
  2. Duramax Seventh Generation: 2020+ (L5P)
    Just bought brand new 2022 2500 HD Denali and first 150 miles or so seemed great. Now I’m hearing a subtle what sounds like a ticking noise or tapping that sounds like it’s coming from left side of the engine compartment. It speeds up and slows down accordingly with throttle and happens in park...
  3. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    Hopefully someone can help. I have a 07 LBZ 190k stock height and tires CTS3. During highway trips 65-80mph nothing but when you accelerate hard you get a baffle rumble sound from passenger engine side. Found one thread similar but no real answers. Thinking it maybe a boost leak. Any ideas would...
  4. Duramax Fifth Generation: 2011-2016 (LML)
  5. 6.5L Diesel Engine
    So I'm in the proscess of changing the electronic Ip to a mechanical one, and since I already have everything off, I might aswell check the valvetrain for a ticking sound that went with the rpm. You can hear it when the engine is stone cold, then it falls deaf with the normal engine clatter, and...
  6. 6.2L Diesel Engine
    1982 Suburban, NA two weeks ago took it on a roughly 100 mile round trip excursion to get everything churned and assess any issues before I take it on a slightly longer trip with a small load (old camper weighing in at about 2200) We pulled the camper out of storage with it and the engine...
  7. Buying or Selling a Truck Questions
    I thinking about buying a 1999 gmc 3500 with a 6.5 turbo diesel that guy that I’m buying it from was driving it said that it overheated and now with you crank it makes a loud popping noise near the air box and the turbo instead of sucking air it feels like it’s blowing air I’m thinking it could...
  8. 6.5L Diesel Engine
    Hey everyone, I'm 16 years old and I bought a 1995 Chevy 6.5 k3500 and after driving it I realized I had a fuel leak in my injector pump. So I took the intake manifold off and found the leaking hose and replaced it. My dad looked at the 2 gaskets on the bottom where the manifold bolts to and...
  9. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    i searched but didnt find any other posts that sound like what i have. anyhow, at idle in gear or park, at the front of the truck it almost sounds like parts on the grill assembly are rattling against eachother but i know its not that. idler pulley or tensioner going out? hard to describe...
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