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HVAC blend door re calibration. 2014 and up years


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Anyone know how to re calibrate the HVAC blend door on 2014 to 2018 Sierra's and or Silverado's? I have warm air coming out the left drivers side only when A/C is on. I have found procedures for older years but not the newer 2014 and up.  Thanks.

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4 hours ago, txab said:

Have you tried the earlier re-set procedures?

No I haven't. Wanted the latest and greatest procedure before I tried. Maybe they are the same? Any answers to this anyone?

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