What does the mode door actuator control?

The mode door actuator controls which vent(s) air blows through. The door on this actuator has two positions: closed and open. Today, most actuators are controlled electronically. As actuators wear over time, the plastic gears inside may be stripped or broken, causing them to fail.

Where is the mode actuator located?

The mode door actuator is located higher up in the center portion of the dash and is visible when the radio is removed.

What is the difference between a mode door actuator and a blend door actuator?

blend door controls the temp by moving a door allowing more or less air to blow through the heater core. mode door controls which vents the air blows through.

Where is my blend door actuator?

The blend door actuator(s) are typically located on the climate control case behind the dashboard.

How do you know if your actuator is broken?

Signs You Need A New Blend Door Actuator

  1. Knocking. Knocking sounds can almost always be attributed to a failing blend door actuator.
  2. Clicking.
  3. Any Other Strange Noises.
  4. Inconsistent Airflow.
  5. Inconsistent Temperature.
  6. Wrong Temperature.

How do I know which blend door actuator is bad?

If you hear a droning or squeaking sound coming from the center of your dashboard, there is most likely something wrong with your blend door actuator. These sounds will usually get louder when you turn on your AC or change the temperature. Got other strange noises?

Which blend door actuator is bad?

Suppose you hear a droning or faint clicking repetitively from the dashboard, around the center area, where your HVAC system control knobs are located. In that case, that indicates you have a bad blend door actuator. A faint clicking or droning sound underneath the dash is usually a blend door actuator noise.