Why does the drivers side panel vents blow hot air when the passenger side vents are cold

Asked by Jul 07, 2013 at 10:10 AM about the 1999 Buick Park Avenue Ultra FWD

Question type: Maintenance & Repair

Car: 1999 Ultra, have changed actuator door motors to no good, I do not have a code scaner for Hvac system,

3 Answers

Click on this, it will get big enough to see..study it..hopefully it is helpful. Maybe some ductwork is off. There are solenoids, vacuum hoses, all sorts of things. This is specific to your 1999 Park Ave.

75 people found this helpful.
280

every time you replace the actuators you need relearn the system, you can find the procedure on Mitchel on demand or alldata

13 people found this helpful.
60

It has nothing to do with the actuator your refrigerant level is low when it is 6 to 10 pounds low the driver side blows hot on the passenger side blows cold end of story.

6 people found this helpful.

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