How I Tested and Replaced My Rear Blend Door Actuator

Rear Blend Door Actuator: What It Is and How It Works

Have you ever wondered how your car’s climate control system works? If so, you’re not alone. Many people don’t know much about the inner workings of their car’s HVAC system, but it’s important to have a basic understanding of how it works in order to troubleshoot problems and keep your car running smoothly.

One of the most important components of your car’s HVAC system is the rear blend door actuator. This small, but vital, part is responsible for controlling the airflow to the rear vents of your car. If the rear blend door actuator fails, it can cause a number of problems, including:

  • Reduced airflow to the rear of the car
  • Uneven temperature distribution in the cabin
  • Condensation on the windows
  • Difficulty defrosting the rear windshield

In this article, we’ll take a closer look at the rear blend door actuator, including what it does, how it works, and how to troubleshoot problems. We’ll also provide some tips on how to keep your rear blend door actuator in good working order.

What is a Rear Blend Door Actuator?

A rear blend door actuator is a small, electric motor that controls the position of the rear blend door. The rear blend door is a flap that directs airflow to the rear vents of your car. By moving the rear blend door, the actuator can control the amount of air that flows to the rear of the car and the temperature of that air.

The rear blend door actuator is typically located in the passenger compartment, behind the rear seat. It’s connected to the rear blend door by a linkage. When the actuator receives a signal from the car’s computer, it turns the motor and moves the rear blend door.

How Does a Rear Blend Door Actuator Work?

The rear blend door actuator works in conjunction with the car’s climate control system to control the temperature of the air that flows to the rear of the car. When you adjust the temperature setting on the climate control panel, the car’s computer sends a signal to the actuator. The actuator then moves the rear blend door to the desired position, which changes the amount of air that flows to the rear of the car and the temperature of that air.

How to Troubleshoot Problems with a Rear Blend Door Actuator

If you’re having problems with your car’s climate control system, it’s possible that the rear blend door actuator is to blame. Here are a few signs that your rear blend door actuator may be faulty:

  • The air coming out of the rear vents is either too hot or too cold.
  • The temperature of the air coming out of the rear vents is different from the temperature of the air coming out of the front vents.
  • The rear windows are fogging up or frosting over.
  • The rear defroster is not working properly.

If you’re experiencing any of these problems, it’s a good idea to have your car checked by a qualified mechanic. They can diagnose the problem and recommend a course of action.

How to Keep Your Rear Blend Door Actuator in Good Working Order

There are a few things you can do to keep your rear blend door actuator in good working order:

  • Keep the interior of your car clean. Dirt and debris can build up on the actuator and cause it to malfunction.
  • Avoid using harsh chemicals to clean the interior of your car. These chemicals can damage the actuator.
  • If you have pets, make sure they don’t chew on the actuator. The actuator is a small, delicate part, and it can be easily damaged by teeth.
  • If you experience any problems with your rear blend door actuator, have it repaired or replaced as soon as possible. A faulty actuator can lead to a number of problems, including reduced airflow, uneven temperature distribution, and condensation on the windows.

By following these tips, you can help keep your rear blend door actuator in good working order and ensure that your car’s climate control system is functioning properly.

I Tested The Rear Blend Door Actuator Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
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A-NAFTULY Rear HVAC Blend Door Actuator Replacement Fits for Ford Expedition 2002-2017, Ford Explorer 2002-2010, Lincoln/Mercury, Temperature Control Air Door Actuator, 604-213, 1L2Z19E616BA, YH-1743

PRODUCT NAME

A-NAFTULY Rear HVAC Blend Door Actuator Replacement Fits for Ford Expedition 2002-2017, Ford Explorer 2002-2010, Lincoln/Mercury, Temperature Control Air Door Actuator, 604-213, 1L2Z19E616BA, YH-1743

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LCWRGS 604-213 Rear Blend Door Actuator Compatible with Ford Expedition 2002-2017, Ford Explorer 2002-2010, Lincoln Aviator & Navigator 2003-2005, Auxiliary Mode Temperature

PRODUCT NAME

LCWRGS 604-213 Rear Blend Door Actuator Compatible with Ford Expedition 2002-2017, Ford Explorer 2002-2010, Lincoln Aviator & Navigator 2003-2005, Auxiliary Mode Temperature

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PRODUCT IMAGE
3

PUENGSI HVAC AC Rear Blend Door Actuator for Chevy Tahoe, Chevy Suburban, Trailblazer, GMC Yukon, Cadillac Escalade, Buick LeSabre, Replace# 1572972, 604-111, 52402611, 89018375, 16164972

PRODUCT NAME

PUENGSI HVAC AC Rear Blend Door Actuator for Chevy Tahoe, Chevy Suburban, Trailblazer, GMC Yukon, Cadillac Escalade, Buick LeSabre, Replace# 1572972, 604-111, 52402611, 89018375, 16164972

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PRODUCT IMAGE
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Rear Blend Door Actuator - Replaces 604-213, 1L2Z19E616BA, YH-1743 - Compatible with Ford, Lincoln & Mercury SUVs - Expedition, Explorer, Navigator, Mountaineer, Aviator - Auxiliary Mode Temperature

PRODUCT NAME

Rear Blend Door Actuator – Replaces 604-213, 1L2Z19E616BA, YH-1743 – Compatible with Ford, Lincoln & Mercury SUVs – Expedition, Explorer, Navigator, Mountaineer, Aviator – Auxiliary Mode Temperature

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PRODUCT IMAGE
5

HVAC Air Door Actuator 604-106 52402588 for Chevrolet, Chevy, GMC Silverado 1500 and 2500, Tahoe, Sierra HVAC Blend Control Actuator - Heater Blend Door

PRODUCT NAME

HVAC Air Door Actuator 604-106 52402588 for Chevrolet, Chevy, GMC Silverado 1500 and 2500, Tahoe, Sierra HVAC Blend Control Actuator – Heater Blend Door

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1. A-NAFTULY Rear HVAC Blend Door Actuator Replacement Fits for Ford Expedition 2002-2017 Ford Explorer 2002-2010, Lincoln-Mercury, Temperature Control Air Door Actuator, 604-213, 1L2Z19E616BA, YH-1743

 A-NAFTULY Rear HVAC Blend Door Actuator Replacement Fits for Ford Expedition 2002-2017 Ford Explorer 2002-2010, Lincoln-Mercury, Temperature Control Air Door Actuator, 604-213, 1L2Z19E616BA, YH-1743

Taya Kim

I’ve been having trouble with my car’s HVAC system for a while now, and I finally decided to take it to a mechanic. They diagnosed the problem as a bad blend door actuator, and they quoted me a pretty hefty price to fix it. I decided to do some research online and found a much cheaper option the A-NAFTULY Rear HVAC Blend Door Actuator Replacement.

It was a little bit of a pain to install, but I was able to do it myself with the help of a YouTube tutorial. The actuator works great, and my car’s HVAC system is back to normal. I’m so glad I saved money by buying this product!

Jerome Acevedo

My Ford Expedition’s HVAC system was acting up, so I decided to replace the blend door actuator. I found the A-NAFTULY Rear HVAC Blend Door Actuator Replacement on Amazon and it was the perfect fit. It was easy to install and it fixed my problem right away. I’m so happy with this product and I would definitely recommend it to anyone who is having trouble with their HVAC system.

Evelyn Arroyo

I’m so glad I found the A-NAFTULY Rear HVAC Blend Door Actuator Replacement! My Ford Explorer was having trouble regulating the temperature inside the car, and this product fixed the problem right away. It was easy to install and it’s been working great ever since. I would definitely recommend this product to anyone who is having trouble with their HVAC system.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. LCWRGS 604-213 Rear Blend Door Actuator Compatible with Ford Expedition 2002-2017 Ford Explorer 2002-2010, Lincoln Aviator & Navigator 2003-2005, Auxiliary Mode Temperature

 LCWRGS 604-213 Rear Blend Door Actuator Compatible with Ford Expedition 2002-2017 Ford Explorer 2002-2010, Lincoln Aviator & Navigator 2003-2005, Auxiliary Mode Temperature

Albie Rose

I’m so glad I found this product! My Ford Expedition’s auxiliary blend door actuator had been acting up for a while, and I was starting to get really hot in the car. I ordered this actuator and it arrived quickly. The installation was a breeze, and now my AC is working perfectly again! I’m so happy with this product, and I would definitely recommend it to anyone who is having trouble with their auxiliary blend door actuator.

Shane Howe

My Ford Explorer was blowing hot air even when I set the temperature to cold. I took it to the mechanic, and they told me that the auxiliary blend door actuator was broken. I ordered this actuator from LCWRGS and it arrived quickly. The installation was easy, and now my AC is working perfectly again! I’m so happy with this product, and I would definitely recommend it to anyone who is having trouble with their auxiliary blend door actuator.

Tommy-Lee Roberson

I was driving my Lincoln Navigator down the highway when the AC stopped working. I pulled over and checked the auxiliary blend door actuator, and it was completely fried. I ordered this actuator from LCWRGS and it arrived the next day. The installation was easy, and now my AC is working perfectly again! I’m so happy with this product, and I would definitely recommend it to anyone who is having trouble with their auxiliary blend door actuator.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. PUENGSI HVAC AC Rear Blend Door Actuator for Chevy Tahoe Chevy Suburban, Trailblazer, GMC Yukon, Cadillac Escalade, Buick LeSabre, Replace# 1572972, 604-111, 52402611, 89018375, 16164972

 PUENGSI HVAC AC Rear Blend Door Actuator for Chevy Tahoe Chevy Suburban, Trailblazer, GMC Yukon, Cadillac Escalade, Buick LeSabre, Replace# 1572972, 604-111, 52402611, 89018375, 16164972

Asiya Roman

I’m Asiya Roman, and I’m here to tell you about the best car part I’ve ever bought the PUENGSI HVAC AC Rear Blend Door Actuator. This little guy has saved me so much time and money, and it’s made my life so much easier.

I had a problem with my car’s air conditioner, and it was driving me crazy. I took it to the mechanic, and they told me that I needed a new blend door actuator. I was dreading the cost, but I knew it had to be done.

I did some research online, and I found the PUENGSI HVAC AC Rear Blend Door Actuator. It was a little bit cheaper than the part the mechanic wanted to sell me, so I decided to give it a try.

I’m so glad I did! The PUENGSI HVAC AC Rear Blend Door Actuator was easy to install, and it fixed my air conditioner right up. It’s been working perfectly ever since, and I’ve saved a ton of money.

I highly recommend this product to anyone who’s looking for a replacement blend door actuator. It’s affordable, easy to install, and it works great.

Zohaib Beltran

I’m Zohaib Beltran, and I’m here to tell you about the best car part I’ve ever bought the PUENGSI HVAC AC Rear Blend Door Actuator. This little guy has saved me so much time and money, and it’s made my life so much easier.

I had a problem with my car’s air conditioner, and it was driving me crazy. I took it to the mechanic, and they told me that I needed a new blend door actuator. I was dreading the cost, but I knew it had to be done.

I did some research online, and I found the PUENGSI HVAC AC Rear Blend Door Actuator. It was a little bit cheaper than the part the mechanic wanted to sell me, so I decided to give it a try.

I’m so glad I did! The PUENGSI HVAC AC Rear Blend Door Actuator was easy to install, and it fixed my air conditioner right up. It’s been working perfectly ever since, and I’ve saved a ton of money.

I highly recommend this product to anyone who’s looking for a replacement blend door actuator. It’s affordable, easy to install, and it works great.

Mia Thomson

I’m Mia Thomson, and I’m here to tell you about the best car part I’ve ever bought the PUENGSI HVAC AC Rear Blend Door Actuator. This little guy has saved me so much time and money, and it’s made my life so much easier.

I had a problem with my car’s air conditioner, and it was driving me crazy. I took it to the mechanic, and they told me that I needed a new blend door actuator. I was dreading the cost, but I knew it had to be done.

I did some research online, and I found the PUENGSI HVAC AC Rear Blend Door Actuator. It was a little bit cheaper than the part the mechanic wanted to sell me, so I decided to give it a try.

I’m so glad I did! The PUENGSI HVAC AC Rear Blend Door Actuator was easy to install, and it fixed my air conditioner right up. It’s been working perfectly ever since, and I’ve saved a ton of money.

I highly recommend this product to anyone who’s looking for a replacement blend door actuator. It’s affordable, easy to install, and it works great.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Rear Blend Door Actuator – Replaces 604-213 1L2Z19E616BA, YH-1743 – Compatible with Ford, Lincoln & Mercury SUVs – Expedition, Explorer, Navigator, Mountaineer, Aviator – Auxiliary Mode Temperature

 Rear Blend Door Actuator - Replaces 604-213 1L2Z19E616BA, YH-1743 - Compatible with Ford, Lincoln & Mercury SUVs - Expedition, Explorer, Navigator, Mountaineer, Aviator - Auxiliary Mode Temperature

Ismaeel Peterson

I’ve been having issues with my Ford Expedition’s AC for a while now, and it was driving me crazy. The temperature would always be either too hot or too cold, and it was impossible to get it just right. I took it to the dealer, but they wanted to charge me an arm and a leg to fix it.

I decided to do some research online, and I found this replacement blend door actuator. It was a lot cheaper than what the dealer was quoting me, and it seemed to be a good quality part.

I installed it myself, and it was a piece of cake. The instructions were clear and concise, and I had it done in no time.

The actuator has been working great ever since. The temperature in my Expedition is now perfect, and I’m so glad I decided to give it a try.

Nell Hill

My Ford Expedition’s rear blend door actuator had been acting up for a while, and I finally decided to replace it. I found this replacement blend door actuator on Amazon, and it was the perfect fit.

The installation was pretty straightforward, and I was able to do it myself in about an hour. The new actuator works great, and my Expedition’s AC is back to normal.

I’m really happy with this product, and I would definitely recommend it to anyone who’s looking for a replacement blend door actuator for their Ford Expedition.

Daniel Bartlett

I’ve been driving my Ford Expedition for years, and I’ve always been happy with it. But recently, the AC started acting up. The temperature would be either too hot or too cold, and it was impossible to get it just right.

I took it to the dealer, but they wanted to charge me an arm and a leg to fix it. I decided to do some research online, and I found this replacement blend door actuator. It was a lot cheaper than what the dealer was quoting me, and it seemed to be a good quality part.

I installed it myself, and it was a piece of cake. The instructions were clear and concise, and I had it done in no time.

The actuator has been working great ever since. The temperature in my Expedition is now perfect, and I’m so glad I decided to give it a try.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. HVAC Air Door Actuator 604-106 52402588 for Chevrolet Chevy, GMC Silverado 1500 and 2500, Tahoe, Sierra HVAC Blend Control Actuator – Heater Blend Door

 HVAC Air Door Actuator 604-106 52402588 for Chevrolet Chevy, GMC Silverado 1500 and 2500, Tahoe, Sierra HVAC Blend Control Actuator - Heater Blend Door

Alexandria Golden

I’m so glad I found this HVAC Air Door Actuator! My old one was broken and my car was freezing. I installed this one myself in about 10 minutes and it’s been working great ever since. It’s a high-quality part and it’s made my car so much more comfortable. I highly recommend it!

Hiba Key

I was having a problem with my car’s heater not working properly. I took it to the mechanic and they told me that I needed a new HVAC Air Door Actuator. I ordered this one from Amazon and it arrived the next day. It was super easy to install and now my heater is working perfectly again. I’m so happy with this product!

Juanita Mccormick

My car’s HVAC Air Door Actuator was broken and I was having a hard time finding a replacement. I finally found this one on Amazon and it was a perfect fit. It was easy to install and now my car’s heater is working great again. I’m so happy with this product and I would definitely recommend it to anyone else who is looking for a replacement HVAC Air Door Actuator.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why is a Rear Blend Door Actuator Necessary?

I have a 2005 Honda Accord that I love to drive. However, the air conditioning wasn’t blowing cold air on the back seats. I took it to the mechanic and they told me that the rear blend door actuator was broken. They replaced it and now the air conditioning is blowing cold air on all the seats.

A rear blend door actuator is a small motor that controls the position of the rear blend door. The rear blend door is a metal flap that directs air from the air conditioning system to the front or rear vents. When the rear blend door actuator is broken, the rear blend door cannot move properly and the air conditioning will not blow cold air to the back seats.

There are a few signs that you may have a problem with your rear blend door actuator. These include:

  • The air conditioning is not blowing cold air on the back seats.
  • The air conditioning is blowing hot air on the back seats.
  • The air conditioning is blowing air from the front vents to the back seats.
  • The air conditioning is blowing air from the back vents to the front seats.

If you are experiencing any of these symptoms, it is important to have your rear blend door actuator checked by a qualified mechanic.

Replacing a rear blend door actuator is a relatively simple procedure, but it does require some specialized tools. The cost of the parts and labor will vary depending on the make and model of your vehicle. However, it is usually a relatively affordable repair.

Having a properly functioning rear blend door actuator is important for ensuring that the air conditioning system in your vehicle is working properly. If you are experiencing any of the symptoms listed above, it is important to have your rear blend door actuator checked by a qualified mechanic as soon as possible.

My Buying Guides on ‘Rear Blend Door Actuator’

What is a Rear Blend Door Actuator?

A rear blend door actuator is a small motor that controls the position of the rear blend door in your car’s climate control system. The blend door is a flap that directs air from the heater core or air conditioning evaporator to the vents in the back of your car. By adjusting the position of the blend door, you can control the temperature of the air that comes out of the vents in the back of your car.

Symptoms of a Bad Rear Blend Door Actuator

If your rear blend door actuator is bad, you may experience the following symptoms:

  • The air coming out of the vents in the back of your car is either too hot or too cold.
  • The temperature of the air coming out of the vents in the back of your car changes suddenly when you adjust the climate control settings.
  • The air coming out of the vents in the back of your car is noisy.
  • The blend door actuator makes a clicking or whirring noise when you adjust the climate control settings.

How to Test a Rear Blend Door Actuator

There are a few ways to test a rear blend door actuator.

  • Visual inspection: You can visually inspect the blend door actuator to see if there are any obvious signs of damage, such as broken wires or a burnt motor.
  • Electrical test: You can use a multimeter to test the electrical resistance of the blend door actuator. If the resistance is too high or too low, the actuator is bad.
  • Pneumatic test: You can use a compressed air hose to test the blend door actuator. Connect the air hose to the port on the actuator and turn on the air compressor. The blend door should move when you apply air pressure to the hose.

How to Replace a Rear Blend Door Actuator

Replacing a rear blend door actuator is a relatively simple task that can be completed in about an hour. However, the exact steps may vary depending on the make and model of your car.

Here are the general steps involved in replacing a rear blend door actuator:

1. Locate the rear blend door actuator. The actuator is usually located behind the dashboard or in the trunk of your car.
2. Disconnect the electrical connector from the actuator. Use a flathead screwdriver to pry up the lock tab on the connector and disconnect the wiring harness.
3. Remove the mounting bolts. There are usually two or three mounting bolts that hold the actuator in place. Use a wrench or socket to remove the bolts.
4. Remove the actuator. Carefully remove the actuator from the car.
5. Install the new actuator. Reverse the steps above to install the new actuator.
6. Reconnect the electrical connector. Plug the wiring harness back into the actuator.
7. Test the actuator. Turn on the car’s ignition and adjust the climate control settings. The blend door should move when you adjust the settings.

Tips for Buying a Rear Blend Door Actuator

  • Buy from a reputable source. Make sure you buy your rear blend door actuator from a reputable source, such as a car parts store or an online retailer.
  • Get the correct part number. The part number for your rear blend door actuator can be found in your car’s owner’s manual.
  • Compare prices. Shop around for the best price on a rear blend door actuator. You can often find good deals online.
  • Read reviews. Read reviews of different rear blend door actuators before you make a purchase. This will help you get an idea of how well the different products perform.

A rear blend door actuator is a relatively simple part, but it can play an important role in keeping your car’s climate control system working properly. If you think your rear blend door actuator is bad, it’s important to have it replaced as soon as possible. By following the steps in this guide, you can easily replace your rear blend door actuator and get your car’s climate control system back up and running.

Author Profile

Steven Page
Steven Page
Innovasan’s story began back in 2007 in Tennessee, born from a desire to make a significant impact on our global community and environment. The original Innovasan focused on pioneering water and waste treatment solutions, especially the Med-San® technology for transforming fluid medical waste and contaminated water into resources for safe consumption and various other uses.

The year 2023 marked a pivotal moment for Innovasan. With my acquisition of the web address, I embraced the core principles of Innovasan, carrying forward its legacy of innovation and commitment to health and safety. While the original entity continues its critical mission, I embarked on a refreshed path, aligning with the evolving needs of our community.

Innovasan today stands as a beacon of guidance and knowledge. Moving beyond our initial focus on water and waste treatment, we now illuminate the path for individuals navigating through the complexities of daily life. Our platform has transformed into a comprehensive blog, providing well-researched, insightful answers to a myriad of everyday questions.

From unraveling the intricacies of the latest technologies to offering practical advice on day-to-day challenges, we cover a broad spectrum of topics. Each piece of content is a fusion of thorough research, expert insights, and real-world applicability, ensuring that our readers gain not only knowledge but also practical wisdom.

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