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  1. Duramax Sixth Generation: 2017-2019 (L5P)
    so i have a 2019 silverado 2500 hd l5p and for a few months now it has been making a weird noise through the exhaust when i am at wide open throttle when the truck shifts from 2-3rd gear. does not do this any other time through any other gears and not even in park wide open. i took it to dealer...
  2. Vans
    Hi everyone, I did own an express years ago, but now a lot has been learnt since then! What engine and trans is most ultra reliable? (Petrol only now please). I'd sacrifice a couple of mpg for reliability. Or what you'd do to get it bulletproof. Have you ever seen a stick shift in one?! Thanks...
  3. 6.2L Diesel Engine
    Hello gents, Just looking for a little advice, and a direction to go to help with a new symptom that my 93 GMT-400 has developed. Runs, and drives fine, but randomly will stall when stopping at an intersection. I have used isopropyl in the fuel at times, to keep water at bay, and have changed...
  4. Duramax Fifth Generation: 2011-2016 (LML)
    My 2016 has 32k on the clock. It is in for an oil change and they told me the rear main seal is leaking. This is the 2nd time. Is it time to unload this dog? Was it a incompetent technician the last time? Are they drying out as I don't drive it that much? I am really getting tired of GM...
  5. Duramax Sixth Generation: 2017-2019 (L5P)
    Has anybody ever had this noise before? I can hear it the best under the truck. It’s a 2018 Chevy 2500. I have sprayed the belt with some PB Blaster to see if it makes a difference and no change. Thanks
  6. Closed / Archived Marketplace Ads
    I am currently assembling 2 6.2l engines, one complete to be installed in a customer vehicle soon and the other will be needing a new home as soon as its assembled. This block has been professionally cleaned, inspected and bored +.020". New cam bearings and freeze plugs installed at the...
  7. Duramax Sixth Generation: 2017-2019 (L5P)
    I have a 17 Crew with 44k on it , truck just started squealing. Dealer has changed belt and all moving pullys. They say it's not the fan either... They have scoped everything for the noise, they can duplicate it, but it goes away to quick. I have a video of it , not sure how to add it. Any help...
  8. 6.5L Diesel Engine
    Starting with 10kgs of rigging Complete block, turbo, intake & exhaust manifolds, HB & CP, flexplate, IP and FFM. NO FLUIDS. 370kgs - 10kgs (rigging) = 360kgs or 792lbs
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