A/c problem:

ahachem1ahachem1 Member Posts: 2
edited February 2017 in Buick
Front Passenger side vents give hot air while Driver's side gives cold air?


  • ahachem1ahachem1 Member Posts: 2
    any solution to this problem??
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Sounds like some issue with a blending door actuator under the dash.
  • imidazol97imidazol97 Member Posts: 26,998
    edited February 2017
    The blend doors may give trouble. Depends on the year and model you're asking about.

    Which Buick and what type of system? Dual temp controls?

    Some cars would give warm air on one side in hot climates because the freon was low. E.g., the 2000
    and up leSabres (H-body) would use all the cooling on the part of the evaporator before the
    freon got to the coil parts that the air went through going to the driver. This was true on single
    or dual control.

    If the problem is hot days, and on cold days the blend door(s) modulate the temp up and down when using
    heating, likely the blend doors are okay.

    2014 Malibu 2LT, 2015 Cruze 2LT,

  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    That's a good first step actually---to check the freon charge. So maybe putting a temp gauge in the AC vent that's working to see how cold it's getting.
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