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03 avalanche blowing hot air on driver side and cold air on the passenger side

Fischergurl_2Fischergurl_2 Member Posts: 1
edited December 2018 in Chevrolet
I have a 03 avalanche and one day the air stopped working on the driver side and still blows cold air on the passenger side


  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Probably a blend door has broken or the motor that actuates it has given up. A good scan tool should be able to identify the problem exactly. Do you have dual controls for heat and AC?
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