Figured it out eventually. For some reason when the a/c system charge gets low, it causes the system to cool less on the driver side and the last section to be effected is the passenger side. ♂️ weirdest thing I’ve seen on an a/c system. Put a can of 1234yf in it and it started cooling...
Having an issue with my 2021 Tahoe where the A/C blows warm in the driver side front only. Passenger side front and rear are good and cold. First thought for me was this must be a blend door issue. The blend door does work at least partially because it goes to from warm to hot but never cold...
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