I have a question does anyone know what might be wrong with my 08 CTS. The AC is only working on the drivers side. Has this happened to anyone else or anyone know what to look at as a potental problem? Thanks in advance
"Passenger" button enables a different temp setting on the passenger side, leaving it "off" defaults to the temp set on the left, but, it should still be moving air.
"Passenger" button enables a different temp setting on the passenger side, leaving it "off" defaults to the temp set on the left, but, it should still be moving air.
The op wasn't very specific he did state the AC only works on one side so I figured the other side is flowing some air just not cold air. You might know more of the situation then.
This could be 2 different things. One is the refrigerant is low due to a leak. Find the leak, repair it, and recharge. Or the actuators for dual zone use are not functioning properly. Find the affected actuator and replace it.
Testing the function of the dual zone leads to letting you know if the actuators are working, by going to extreme high and extreme low temps and seeing if the temp changes. If the temps change up and down, then the actuators are most likely OK. If one side does not change temp at all, then it's likely an actuator.
A leak is usually seen as colder temps on the passenger side of the car and warmer temps on the drivers side for a setting where driver and passenger are set the same (pass side control off)
I have a very similar problem with my 99 base DeVille. Driver's side and rear vents are blowing hot while passenger is cold. Is an actuator costly/hard to replace?
Irepride78 & DrHasnoCash, I see you're in the middle of a great discussion with knowledgeable forum members, and I just wanted to let you know I'm available via email (Katie_Lucille@gmexpert.com) if you would like me to investigate concerns further for you at any point in your process. And sending the last eight of your VIN in your email would be extremely helpful!
Best,
Katie
Cadillac Customer Service
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