AC on one side Heat on other
#3
My 2006 S60 AWD is doing this same thing - A/C works on the driver's side but full heat out the passenger side. I'm thinking it may be a bad air blend motor in the dash somewhere (I think there are 3 of them in there). I've also good vida dice up and tried to recalibrate the CCM and it would not complete... Will be following this thread.
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wrusry (07-06-2020)
#6
mt6127, thanks for the response. I can hear the blend door motors and if I change the temperature, then the temperature does change. The driver's side is just always a bit warmer than the passenger side. One thing that may have been telling was when took both temperatures to the maximum temperature, it properly directed the (hot) air down to the floor, but on the driver's body level vent there was some hot air coming out whereas the passenger side body level vent there was no air coming out and 100% was directed at the floor. When I manually selected the air to go to the windshield only, there was still some air coming out of the driver's side body level vent. I'm not sure what that means, but it would seem to indicate a problem. If anyone has any ideas, I'd love to hear them. Thanks.
#7
#8
Low Freon
Just had a friend with an 2017 Audi A4 have the same issue. He was skeptical but the dealer added Freon and everything worked. I was also skeptical but in the Audi forums it was explained that the way the AC is set up there is enough freon to cool one side, but its cooling ability diminishes when low and gets used up by the time the air going to the second side goes through it. So the dual system must have duel coils in series.
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