What does the blend door do?
What does the blend door do?
The blend door actuator is a small electric motor in your car that controls your car’s climate control system. When you turn the dial to increase or decrease the temperature or flow of air, the signals go through the blend door actuator. It also controls the defrosters and other vents.
How to replace blend door actuator?
You will need a tool set including an 5.5 mm socket for Chevy, GMC, Cadillac, Ford and Lincoln vehicles.
- Step 1: Remove the Lower Dash Panel or Glove Box.
- Step 2: Remove the Door Actuator.
- Step 3: Remove the Actuator.
- Step 4: Turn the Air Door Pivot.
- Step 5: Match the New Actuator.
How does a blend door work on a car?
The Mode doors direct the flow of air to the floor, dash vents and defroster. Each door is operated by either a vacuum or electric motor. Blend door actuator. The blend door is controlled by the vehicle’s heater controls. If the actuator is an electric motor, the driver operates a knob to change from cold to hot.
Why is the actuator called a blend door?
The blend door, which the actuator controls, is what diverts and controls the flow of air. There should be controlled by some plastic gears that are responsible for moving the blend door where the actuator sends the correct signals. The blend door is called a door because it really is just a flat panel of plastic.
Why does my Blend door open when the AC is on?
If the AC is turned on, the temperature of the cold air can be altered with the temperature control. That control commands the blend door actuator to open or close partially or fully to allow air from the heater core to mix with the cold air from the AC evaporator.
What does the knob on a blend door do?
If the actuator is an electric motor, the driver operates a knob to change from cold to hot. The knob tells the heater control “head” the preferred temperature setting and the control head commands blend door motor operation.
The Mode doors direct the flow of air to the floor, dash vents and defroster. Each door is operated by either a vacuum or electric motor. Blend door actuator. The blend door is controlled by the vehicle’s heater controls. If the actuator is an electric motor, the driver operates a knob to change from cold to hot.
The blend door, which the actuator controls, is what diverts and controls the flow of air. There should be controlled by some plastic gears that are responsible for moving the blend door where the actuator sends the correct signals. The blend door is called a door because it really is just a flat panel of plastic.
If the AC is turned on, the temperature of the cold air can be altered with the temperature control. That control commands the blend door actuator to open or close partially or fully to allow air from the heater core to mix with the cold air from the AC evaporator.
If the actuator is an electric motor, the driver operates a knob to change from cold to hot. The knob tells the heater control “head” the preferred temperature setting and the control head commands blend door motor operation.
