This video shows how to diagnose and how to replace the blend door actuators on a 2003 buick century.
1999 buick regal blend door actuator.
I have replaced the blend door actuator.
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1997 buick park avenue blend door problem i have a 1997 buick park avenue with the regualr 3800 motor no supercharger.
1999 buick regal drivers side ac blows hot the battery change and the problem may coindental or maybe not your air regulator door actuator is probably stripped our just worn out the regulator is attached to the damper that controls the drivers side air over the two coils.
But all the vents remain open.
What controls the vents blend door actuator what controls the vents in a 99 buick regal.
Buick 1999 regal 3 8l v6 heat air conditioning heater blend door actuator.
The blend door actuators in a buick are electrically operated by blend door motors.
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Shouldn t be to hard to locate but will require laying on your back and removing the under dash panel.
A computer assigned to this duty controls the blend door actuators.
These are tied into several sensors that detect the outside temperature to compensate for incoming air inside air temperature and even a sensor to signal when a door.
Heater blend door actuator connector.
On my 99 buick regal the air conditioning blows cool air from the two right vents and warm air from the two left vents.
No parts for vehicles in selected markets.
I have done some research and almost everything leads to the blend door actuator.