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  1. Transmission Shop
    I have a 2003 gmc 2500HD LB7 4wd with 290k on it. Recently I've noticed it "jerk" for a split second only while cruising the interstate. The transmission fluid looks great and smells great. I took down the pan to change the inside filter along with the spin on filter. Everything looked good on...
  2. Exterior
    09 Sierra LMM. Bone stock. 200k miles. 2 months ago I was on a 900 mile road trip about 300 miles in my truck felt like it started skipping or slipping. Started doing every 20-30 miles then progressively got worse. If feathered the throttle constantly it seemed to delay it happening. About 400...
  3. General Discussion
    Hey guys, new here and new to the Duramax.. I bought a 2016 Denali 150k miles, PPEI tunes, 5 position SOTF Fass fuel system, S&B intake.. of course it felt great in the test drive, after driving the truck a while I’m noticing a skipping or inconsistent pulling if the truck is under a slight...
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