How do you install an air door actuator?

Asked By: Ameer Vilaseca | Last Updated: 28th April, 2020
Category: automotive auto parts
4.8/5 (301 Views . 28 Votes)
To install:
  1. Position the blend door actuator into the vehicle.
  2. Install the blend door actuator onto the driver side of the HVAC air distribution housing .
  3. Install the screws that secure the blend door actuator to the driver side of the air distribution housing .

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Also know, what does the air door actuator do?

The actuator is responsible for moving the air direction and temperature doors inside the heater plenum; their job is to manage mode settings like re-circulation modes, mid vent, defrost and fresh air, floor as well as temperature. Also, they control the cold and hot settings for left and right passenger sections.

One may also ask, how do I remove the blend door actuator? Remove the glove box from the instrument panel. Remove the three screws (1) that secure the blend door actuator (2) to the passenger side of the HVAC air distribution housing (3). Remove the blend door actuator from the air distribution housing and disconnect the HVAC wire harness connector (4) from the actuator.

Then, what are the symptoms of a bad blend door actuator?

The symptoms of a bad blend door actuator include a lack of heat or air conditioning, or failure of air to blow through some or all of the vents. The actuator motors may also make a noise if they've failed, but this isn't always the case.

Can you fix a blend door actuator?

Blend Door Actuator Locations Begin by identifying the problem either defrost, mid or floor, or temperature modes not working. Then locate and identify the actuator to be replaced. These repairs can take a little longer because more parts need to be removed to gain access to the actuator.

24 Related Question Answers Found

How do you fix an actuator?

  1. Step 1: Position the vehicle.
  2. Step 2: Secure the vehicle.
  3. Step 3: Install a nine-volt battery saver.
  4. Step 4: Remove the door lock actuator bolts and the lock screws.
  5. Step 5: Disconnect the door lock actuator.
  6. Step 3: Take apart the motor.
  7. Step 2: Clean and reconnect the actuator.
  8. Step 4: Reattach the clips and cables.

How do you test an air door actuator?

Here's how. Consult the repair manual to identify which actuators control the defrost-vent-floor “mode door” and the temperature-regulating “blend door.” Then peer under the dash and locate the suspect actuator on the heater box. Have a friend switch between modes or temperatures while you watch the actuator.

How do I remove actuator?

Actuators are placed much like wire; they can be placed over blocks or in empty space with or without walls. Once placed, they act like wire in that they disappear when not holding a wire item and can only be broken with a wire cutter (breaking the block they are on will not remove the actuator).

Where is the AC actuator located?


The AC actuator is located underneath the dashboard attached to air distribution doors in the hvac box. Doors can control warm air/cold air blending, recirculated/fresh air control, or dual zone splitting. The motors can move the doors into many different positions, or just two.

What does a bad actuator sound like?

You'll notice is makes a popping noise when it is commanded. The popping will persist for a moment. Of coarse the actuator does not achieve the commanded position. Though only the recirculation door actuator is featured in the video other actuators in the heating and a/c system often fail in a similar fashion.

What happens when an actuator goes bad?

Engine stalling often
When the idle goes too low, the engine will shut off or stall. In some cases this is caused by an actuator that is not working at all, which means that a mechanic will have to replace it soon in order to get your engine back running the way it should.

What causes door actuators to fail?

It's most likely a failing door lock actuator. Unfortunately, it can be caused by any of the vehicle's actuators. If the actuators have any sort of internal or wiring issue, it may cause them to rapidly lock and unlock unexpectedly, or cause them to function intermittently.

How much does it cost to fix an actuator?

The average cost for a door lock actuator replacement is between $298 and $360. Labor costs are estimated between $99 and $126 while parts are priced between $199 and $234. Estimate does not include taxes and fees.

What is HVAC blend door actuator?


HVAC Blend Door / Air Door Actuator. A vehicle's HVAC system (heating, ventilation, and air conditioning) is a key component to driving comfort and proper vehicle operation. The HVAC blend door motor / air door actuator directs the flow of air in the vehicle's cabin.

What is a blend door on a car?

Blend door and blend door actuator
A blend door moves to vary the amount of air passing through the vehicle's heater core. The blend door is controlled by a blend door actuator, which can be a cable or an electric motor. The blend door is also referred to by some car makers as an air mix door.

What is a heater blend door?

Blend Door. A blend door is mounted within the heating and air conditioning system and pivots to divert warm or cool air into different passages within the system to keep the passenger area at the desired temperature. When a vehicle is cold, you may desire maximum heat to enter the passenger compartment.

How do I know if my climate control module is bad?

Symptoms of a Bad or Failing AC Control Module
  1. Inconsistent cooling. Because the AC control module controls and regulates all of the functions of the system, you may begin to notice cooling inconsistencies when there is a problem.
  2. Out-of-date software updates.
  3. Uneven air distribution.

How do I reset my AC?

Here are the steps you need to take to reset your AC thermostat.
  1. Shut Down Your AC at the Thermostat. The first step in resetting your AC thermostat is to turn it off at the AC unit.
  2. Find Your Circuit Breaker Box.
  3. Reset the Circuit Breaker for Your AC Unit.
  4. Wait 30 Seconds.
  5. Turn the AC Thermostat Back On.

How does a blend door actuator work?


A blower engine will force hot air to the passenger cabin from the core. These days, heat's temperature in modern cars is often controlled by a blend door regulated by an actuator, which might also change the direction of all or some of the heat to a windshield defroster.

Why is my dashboard making a clicking noise?

If the clicking is coming from under the dash, it's either the body Control Module starting up or a defective actuator for an HVAC blend door. I have a 2011 Chevy Impala and my car makes that loud clicking noise from the dash.

How do I calibrate my Jeep blend door actuator?

Blend Door Actuator Motor Calibration
Open hood (bonnet for the RHD guys) and locate fuse #15 in the fuse box next to the battery. Remove the fuse and wait 1-2 minutes for any capacitive charges in the system to dissipate. Replace the fuse. Turn the ignition key to the on position.