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The national cost for a hvac blend door actuator replacement in 2023 is between $71 and $468 with an average of $282​

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POPULAR VEHICLES

National average cost of a a HVAC Blend Door Actuator Replacement
for popular vehicles:

Jeep Grand Cherokee

Avg. cost
$292

Ford Taurus

Avg. cost
$165

Lincoln MKT

Avg. cost
$369

Car Model

Avg. cost

$50

What is an HVAC blend door actuator and how does it work?

An HVAC blend door actuator is a small electric motor connected to a door mounted inside the air ducts of the HVAC system in your vehicle.

When you set the temperature level on the control panel, the HVAC electronic control module controls a small door inside the ducts to redirect air through or around the heater core. When you turn up the heat, air passes through the heater core and warms up. When you turn the temperature all the way down, the air is routed around the heater core so that no heat is picked up. A setting anywhere in between results in a range of blend ratios. The device that responds to the control module to move the blend door is the HVAC blend door actuator.

COMMON SYMPTOMS

How do I know if my vehicle needs a new HVAC blend door actuator?

The HVAC blend door actuator is controlled by an electronic control module, therefore, its function is also monitored by the control module. When the actuator fails, the control module will often detect the failure and trigger a warning light on the dashboard, accompanied by a diagnostic trouble code related to the HVAC system. Other signs that the blend door actuator is not working as it should include:

The heater is not working adequately or is blowing cool air

The AC system will not cool the cabin or is blowing warm air

The temperature inside the cabin fluctuates without input to the user controls

A clicking sound can be heard coming from inside the dashboard, often exaggerated by changes to the temperature setting

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HOW IS THIS SERVICE PERFORMED?

How is a a HVAC Blend Door Actuator Replacement done?

HVAC blend door actuator replacement requires disassembly of dashboard components for access to the component. The specific location of the actuator and the procedure to remove it will differ from one vehicle make and model to the next. In general, a technician will perform the following steps to replace the actuator in your vehicle:

  • Disconnect the negative battery terminal, taking steps to preserve the memory of the control modules
  • Disassemble the dashboard to gain access to the HVAC blend door actuator
  • Detach the wire harness connectors from the actuator
  • Unbolt the actuator and remove it from its mounting position
  • Install the new actuator, attach the wire connectors, and replace the dashboard components Replacement of the HVAC blend door actuator might require a reset of the HVAC control module once the new actuator has been installed.

Other questions customers ask

What happens when a blend door actuator fails?
When an HVAC blend door actuator fails, the air is no longer able to be directed through the proper pathway in the HVAC system. As a result, the temperature you select will no longer match the air temperature coming out of the cabin vents. This could mean, for instance, that in the dead of winter your vehicle's vents might only put out cold air. Or, in the heat of summer, they might only blow hot air.
Where is the HVAC blend door actuator located?
The HVAC blend door actuator is normally located under or behind the dashboard, inside of the HVAC vent system. It might need to be accessed on the driver’s side or on the passenger side, depending on the vehicle make and model. On some vehicles, the actuator is extremely difficult to replace and requires removing the entire dashboard to access it.
What is the difference between the HVAC blend door actuator and the HVAC mode door actuator?
The HVAC blend door actuator controls the amount of air that flows through the heater core before it exits the cabin vents. This allows for a range of temperatures in the cabin. The HVAC mode door actuator, on the other hand, controls which vents the air comes from, whether the floor vents, dashboard vents, windshield defroster, or other vent.

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RELATED PARTS

What parts are related to a HVAC Blend Door Actuator Replacement?

Heating and Air Conditioning

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RELATED SERVICES

What are some other common services related to a HVAC Blend Door Actuator Replacement?

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