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WK S

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  • Name
    William
  • Location
    North Carolina
  • Drives
    2022 GMC 2500HD AT4

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  1. This process did work well. I now have a full pedal on first touch. It appears to be related to the booster/master cylinder interface. Just to note my truck is brand new, 758 mi now.
  2. I have new 2022 GMC 2500 HD AT4 6.6 Gas and one pump will bring the pedal to where it should be. I have only 753 mi and been this way since I picked it up last week. The dealer offered no solution.
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