How do you know if the blend door is bad?
Signs You Need A New Blend Door Actuator
- Knocking. Knocking sounds can almost always be attributed to a failing blend door actuator.
- Clicking.
- Any Other Strange Noises.
- Inconsistent Airflow.
- Inconsistent Temperature.
- Wrong Temperature.
How long does it take to replace a blend door?
Expect the replacement work to take one to two hours, including testing.
Are blend door actuators interchangeable?
The blend door actuator is interchangeable with the actuator for the mode-air doors and the recirculation-air door. Each actuator is contained within an identical black molded plastic housing with an integral wire connector receptacle (2).
Where is the blend door located?
The blend door can open and close at various positions to block or allow air passing through the heater core in order to achieve the desired temperature inside of the vehicle. The blend door actuator is typically located closer to the heater core and evaporator than the mode door.
Where are blend door actuators located?
The blend door actuator is typically located closer to the heater core and evaporator than the mode door.
How many blend door actuators are in a vehicle?
two blend door actuators
The actuators are small electric motors that move the vent doors, mixing hot air with cold air to achieve the temperature that you desire. Most vehicles have two blend door actuators, one on the driver side and one on the passenger side. Fortunately, you do not need to remove the dashboard in order to get to them.
How much does it cost to fix a blend door?
Blend Door Actuator Replacement Cost The blend door actuator usually costs between $100 – $300 depending on the car’s make and model, before labor costs. On average you can expect to pay around $150 for the actuator itself.
How can I tell if my blend door actuator is bad?
To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way. You will be able to feel the air change temperature or vent level. Compare the bad actuator to the new unit.
What makes up a blend door actuator motor?
A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit.
What can cause a blend door to fail?
Grasp the door pivot and move it back and forth to its full travel, it should move freely. If you cannot move the blend door an obstruction has gotten in the way of the door movement which will make the new actuator fail. These obstructions can include: pen, tooth pick, small toy or bubble gum to name a few.
Can a heater be removed from a blend door?
If the door is stuck the heater plenum with need to be removed and the problem resolved before installing the new unit. To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way. You will be able to feel the air change temperature or vent level.