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SSsierra

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About SSsierra

  • Rank
    Enthusiast

Profile Information

  • Name
    Kevin
  • Location
    SC
  • Drives
    2020 Sierra SLE , 5.3 SLE 4x4with 10 psd preferred tow package

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133 profile views
  1. I have the 5.3 with 10spd and has the same issue. I have measured the driveline angles and it is out of spec. On my 2020 Sierra they didn’t use any rear leafspring blocks or shims as they did on previous years
  2. Did anyone try the range or the pulsar or see if it cures the low speed shutter with the 10 spd
  3. Did you get a chance to flip the factory shims? Do you mean by saying you think they installed them backwards meaning the fat part of the shim was towards the rear of the truck.
  4. Interesting my 2020 doesn’t have the leaf spring block nor does it have this 1/4” shim either and I have a low speed vibration between 28-10 mph. I am thinking this forward 1/4” shim would fix my pow speed vibration
  5. Good to hear you got it resolved, I wish I could remove the shims and be done with it but yesterday I got under my truck to check for shims and there isn’t any shims nor did I see a factory block in rear
  6. I am getting this issue and I do not have the shims. I have 2020 Sierra 5.3/with 10 spd tranny
  7. I have the 5.3 /10 speed and I also definitely have this issue, I think it is the driveline also
  8. I have a 2020 Sierra 5.3 with 10 spd tranny and I have the low speed shudder. Awaiting recommendations from gm pico scope findings. I really think it is a pinion angle issue
  9. I have a 2020 sierra crew cab with 5.3, 10 spd trans and having low speed vibration 28-10 mph (deceleration or acceleration). I took vehicle to dealership on Monday. Two days later dealership called and stated all the test they performed (DFM, Trans mount ect..) was working as design and nothing could be found to cause issue. During this call I stated to service manager what was I suppose to do just live with this issue. I also stated that i was on GM truck forums and there where numerous identical issues, do I need to have a GM-Tech reach out to them? Service manager said let me talk to shop
  10. I am in the right thread, most on this thread are talking 2019-2020 issues with 5:3 and 6.2 with 10 spd
  11. I have a 2020 sierra crew cab with 5.3, 10 spd trans and having low speed vibration 28-10 mph (deceleration or acceleration). I took vehicle to dealership on Monday. Two days later dealership called and stated all the test they performed (DFM, Trans mount ect..) was working as design and nothing could be found to cause issue. During this call I stated to service manager what was I suppose to do just live with this issue. I also stated that i was on GM truck forums and there where numerous identical issues, do I need to have a GM-Tech reach out to them? Service manager said let me talk to shop
  12. I traded my 2014 5.3 with 6 psd for a 2020 5.3 with a 10 psd and the 2020 is much responsive and quicker than my 2014 was and it had a custom tune
  13. Rick did you find any more info on chrome fog light sussound? I have a 2020 SLE and wanting to add fog lights with chrome surround
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