Question about 2000 Oldsmobile Alero
You have a temp door not open.This could be vacuum related,or it could be a temp door actuator motor gone out.If you are mechanicaly incline,look under dash,behind the glove box and all the way across the ac/heater box/duct.You will find witch vacuum servo,or actuator motor controls the temp door by process of elemination.Move each control (temp,defrost,floor vent recirculation,max air,etc.Watch each one underneth the dash until one of them does not move,this one will be the one to work with manually.Disconect actuator motor completley,or pull the servo to make the door move.If it is a actuator motor,after you remove the motor,you will see a arm type mechanisum to move.This will tell you for sure that this is the actuator to replace.If it is a vacuum servo that is not moving,check for a bad vacuum,or vacuum switch on the ac control/Be sure you have good vacuum under hood going to the firewall(near windshield)Also there might a check valve near the firewall that is bad,or vacuum hose sucked together or split.If I can help you any further.let me firstname.lastname@example.org
Posted on Jul 19, 2009
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Posted on Jan 02, 2017
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