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I researched the replacement part, purchased it and replaced it. My mechanic told me it must be blend door itself. For passenger side, you may have to remove glove box to access the actuator. You will require a tool set that comes with a 5.5 mm socket for Cadillac, Lincoln, GMC, Ford and Chevy cars. SPONSORED LINKS. 37 people found this helpful. This issue is characterized by a clicking or ticking noise from the dash while the unit is still working, before finally stopping.It can also go bad if the electric motor burns out; if you move the vent mode or temperature controls, nothing changes because the unit has become non-responsive. Any insight … Anyone else have this … Press J to jump to the feed. I researched this online and found that a bad blend door actuator makes this noise and failure on the Ford Explorers is a common problem. Full 12V and full ground will give you the max speed the fan can go. The drivers manual does not list it so was probably forgotten. what is your suggestion for the monetisation? Your controller sends a signal (power or ground) through a resistor, then through a relay, and then to your fan motor. Just the clicking. The three most common causes of clicking noise from behind the dashboard are the heater control module, lost calibration, and faulty blend door actuator motor. The blend door actuator is most of the time at least accessible for testing, but sometimes removal of the dash is necessary for replacement. Can I drive with a blend door actuator problem? Another possible symptom is a clicking noise from the actuator motor. Close • Posted by. I believe there are three or four of them. The fan circuit for most cars is pretty straight forward. I changed the actuator, ( I know I changed the correct one because the noise goes away when it is unplugged.) Sometimes, the fix needs recalibration, and sometimes you need to replace the part that is … I had a couple of the actuators go bad for my drivers blend door (that's what controls the hot/cold of the air). A faulty blend door actuator can make your driving unpleasant and uncomfortable. Discussion Starter • #1 • Dec 17, 2016 (Edited) So I have a 2014 JKUR and recently the blend door actuator responsible for selecting cold/hot air started making a ratcheting sound. Whichever control adjustment makes the noise stop temporarily is most likely the actuator that is giving you fits. To change air direction modes, the actuator receives an electrical command from the vehicle’s climate control computer.Depending on your vehicle’s make and model, many systems have three to four of these units which they use to control mode operation. The actuator motors may also make a noise if they've failed, but this isn't always the case. The three most common causes of clicking noise from behind the dashboard are the heater control module, lost calibration, and faulty blend door actuator motor. Remove the heater hose off of the heater core from under the hood. If the electric motor or the mechanism inside the door lock actuator wears out, the door lock may lock or unlock slowly or work sometimes but not all the time. This simple diagnosis can help you determine if your blend door actuator is faulty. The temperature of the heat in modern vehicles is regulated by a blend door controlled by an actuator. Replacing the HVAC blend door actuator will stop the noise and control the temperature. I hope you found the information I have provided above helpful. Start by testing all fuses that are related to you HVAC system. Symptoms a Blend Door Actuator is Bad. 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. You can try listening under the dash inside of the vehicle for any noise when turning the control from hot to cold. If you are getting no air flow at all, or low air flow, you may have an issue with your fan circuit. A lot of newer cars, especially those with any kind of automatic air settings, these signals go through a computer also. Log In Sign Up. Just like in my case, all you need is a willingness to get your hands dirty and the, right information to this issue with ease. If this problem catches you unawares, you can always get some temporary heat into your car by executing a blend door repair that will only take you 10 seconds. We will be using the straight forward system as an example here. As you turn the switch from low to high settings, power is sent to the resistor unit. So, my 14’ ST has been making a wild clicking noise behind the dash, it’s definitely the blend door actuator going to hell. On most vehicles, the blend door hangs on a vertical or horizontal axis, so turning a corner or changing the fan speed can cause a broken blend door to randomly swing between the hot and cold positions. This way, a passenger can control the temperature of th… Depending on your vehicle’s make and model, many systems have three to four of these units which they use to control mode operation. The popping noise is the a… HVAC Blend Door Actuator - Repair or Replace If air is coming out of the wrong vents or at the wrong temperature, or if you’re hearing a strange rhythmic clicking noise from your dashboard, your TOYOTA may have a failed blend door actuator. 11 Posts . A common issue in these trucks is the failure of the potentiometer that senses when the actuator has turned fully. Just like in my case, all you need is a willingness to get your hands dirty and the right information to this issue with ease. I’m Jordan, chief editor of Crushtheroad.com and I’m a self-confessed automative fanatic and a professional review. month. I mean will my car blow up if I don’t replace this in the next week or so? Driving with a bad blend door actuator may not be comfortable, but it won't hurt the vehicle. Problem is water leaking on driver floor. 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. Actuator locations. Allow our technicians to service your HVAC system with genuine Volvo parts and factory approved tools. Driving with a bad blend door actuator may not be comfortable, but it won't hurt the vehicle. Press question mark to learn the rest of the keyboard shortcuts. Remove the fuse and wait 1-2 minutes for any capacitive charges in the system to dissipate. I changed the actuator, ( I know I changed the correct one because the noise goes away when it is unplugged.) Remember, you don’t have to be an ASE certified mechanic to determine blend door actuator symptoms in your car. This occurs when the motor gears get out of alignment and slip against each other. In some cars, a door lock actuator becomes noisy and produces a squeaking or buzzing noise when the power door locks are locked or unlocked. The units are found in several areas around the HVAC plenum. Clicking Tapping Noise in Dash Fix. Dodge Chevy Ford Blend Door Actuator Replacement. The blend door actuator … 5 Things to Consider When Renting a Super Car. Mark helpful. Use a test light or power probe and verify that the proper signal is being received to the actuator based on your wiring diagram. This test can be conducted on the street, but be warned, and you will definitely freeze some more. Where to order or what to do with that? These are controlled by electronic actuators that when commanded, turn the door to direct the desired air flow combination. (Page 1 of 3) Hopefully this is an issue Ford has fixed. When you start the car, or just the AC system, and notice a knocking sound like someone tapping on your door, that is indicative of a problem with the blend door actuator. On the passenger blend door it took me less than 10 minutes. And are there any DANGERS? Ah, yes, the dreaded blend door actuators.....no problems on our 300C, but had to replace one on my '12 Challenger that was definitely bad making the woodpecker noise when you got in the car and when you turned on the A/C system or heater. Some of the blend door actuator symptomscan vary from hearing the ticking of noise from your dashboard when you start the car or if the heater in our car is blowing cold or the AC is blowing hot. Remember, you don’t have to be an ASE certified mechanic to determine blend door actuator symptoms in your car. This commonly causes problems in most car’s air conditioner and heater systems. To be confident that the blend door unit is the problem, then you will have to get your hands dirty. The blend door actuator that went out on mine was the air inlet actuator. If you don't have Dual-Zone temp controls - it's the same as for the right side - behind the radio. An actuator can go bad in of two ways; first the electric motor can burn out rendering the unit non-responsive so nothing changes when the temperature or vent mode controls are moved. Anyone ever had this problem? User account menu • Blend door actuator replacement. have the same problem? How do you do it? I know its the actuator making the noise I can put my fingers on it and feel it. Perform this test through the remaining speeds and wires. Click to see full answer. boorfe’s tips monetize your website. If this problem catches you unawares, you can always get some temporary heat into your car by executing a blend door repair that will only take you 10 seconds. Also know, how do I know if my blend door actuator is bad? What does a blend door actuator do? The actuator motors may also make a noise if they've failed, but this isn't always the case. Look at the resistor in the diagram above. A blend door actuator is linked to an air control door pivot found on the last drive of the unit; a plastic gear set is frequently rotated from one side to another by the electric motor.An actuator can become faulty if the plastic gear set turns out to be fragile and it breaks. . Inconsistent Airflow : If the blend door is moving back and forth, then the airflow will be diverted incorrectly or maintained incorrectly. If you switch it towards heat a little bit, and the noise stops, your F-150 blend door actuator has gone out. A blend door actuator controls the temperature and the flow of the air in a car. As soon as I open a door and before I even insert the key in the ignition I hear a loud clicking noise in the dash. I just had to replace this for the 3rd time on my 2010. What this means is that the hot coolant is creating a circle and not going thru the heater core. Clicking Sound. Early automobile air conditioners were add-on units that were likely installed by the dealership, not at the factory. Barrel of fun working by feel to change one. 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. - A/C blend door actuator failure and replacement. Look at the blower switch. The only other way to test the blend door actuator is to test for 12v at connector, but you would have to remove the instrument panel in order to gain access to the actuator No. Like any mechanical device, a blend door actuator will eventually fail. Average repair cost is $590 at 93,900 miles. Most vehicles, this is located directly under the passenger side dash or behind the glove box. There are a number of “doors” that direct the airflow of your HVAC system. This clicking noise is the result of a failed door actuator; more specifically, it is because the teeth on the plastic gear inside have sheared and are now slipping. To be confident that the blend door unit is the problem, then you will have to get your hands dirty. Whichever control adjustment makes the noise stop temporarily is most likely the actuator that is giving you fits. An air blend door actuator is made of a plastic gear set, a small electric motor, and a plastic housing. I have replaced the actuator on the mode door and now the temp actuator has gone south. See the diagram below. Welcome to my fantastic blog! The climate control computer receives feedback information via a door position sensor in the unit. The left actuator - well - you have to pull the dash and the heater plenum. Required fields are marked *, diagnose if you have a faulty blend door actuator, . I suddenly had a loud popping noise coming from the center ash area of my '12 Wrangler. Replacement parts to fix the problem may be as little as a few dollars, but the labor charges to replace it may go into the hundreds. You'll notice is makes a popping noise when it is commanded. Allow our technicians to service your HVAC system with genuine TOYOTA parts and factory approved tools. Make sure the flaps are not stuck in the HVAC box, that will raise heck with the actuator. An air blend door actuator is a small electric motor that houses in a plastic construction. The right blend door actuator is behind the radio accessed through the glove box and by pulling the radio. A blend door actuator is linked to an air control door pivot found on the last drive of the unit; a plastic gear set is frequently rotated from one side to another by the electric motor. DANNY L EXPERT; Hello, I'm Danny. So, my 14’ ST has been making a wild clicking noise behind the dash, it’s definitely the blend door actuator going to hell. Blend Door Actuator Issue - Clicking noise from center console Hello all, I'm Javier and I've had my 2015 FiST for about a month now. Turn the ignition key to the on position. To change air direction modes, the actuator receives an electrical command from the vehicle’s climate control computer. Nearly all of these failures have been traced back to using an aftermarket door actuator in the vehicle. Secondly, what does a bad actuator sound like? The truck effectively doesn’t “know” how far to turn the door. If you switch it towards heat a little bit, and the noise stops, your F-150 blend door actuator has gone out. My question is: How soon should I have this replaced? If you have air flow, but it is not cold, check the blend door for operation first. Always, inspect connectors when replacing these items. I get this noise when I turn OFF the A/C and it lasts for about a minute. For testing, you will want to gain access to the fan motor plug and the resistor plug connectors. Blend Door Actuator Motor Calibration Open hood (bonnet for the RHD guys) and locate fuse #15 in the fuse box next to the battery. Using the dual climate control systems, the passenger or driver can choose the temperature. It is fairly simple to get to, you drop the glovebox. Discussion Starter • #1 • Dec 17, 2016 (Edited) So I have a 2014 JKUR and recently the blend door actuator responsible for selecting cold/hot air started making a ratcheting sound. Here are some of the most common symptoms that a blend door actuator has gone bad: 1. I’m Jordan, chief editor of, and I’m a self-confessed automative fanatic and, Amazing Techniques to Easily Identify Blend door actuator symptoms. Can I drive with a blend door actuator problem? I believe the air flow actuator is on the same side behind the glove box and would expect maybe 30 minutes to change. I have kind of narrowed it to the actuator in heater, but cannot find the fuse in book. Your email address will not be published. The blend door is the problem if the air is cooler than in vent position.The problem is in the cooling system if you have to turn the temp knob at a cold position to feel the A/C. Clicking Sound. These can fail on the mechanical side as well as electrically. Once you have established that it has gone bad, you can check out Amazon to purchase an OEM replacement actuator. There are two of the actuators they are easily accessible from the glove box. User account menu • Blend door actuator replacement. For every speed step up, the power signal goes through one less resistor inside the unit, thus supplying more voltage to the fan motor to turn it faster. If it doesn’t, you will need a new fan motor, but you need to continue testing the resistor and controller. I changed the blend door actuator and I also changed the climate control panel the anti freeze is filled the heater core is good and the thermostat was checked as well. 7 Posts . 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.. Also Know, what does a bad actuator sound like? Finish the process by driving off the car. According to exploreforum.com, you can arrest this problem by looking out for Blend door actuator symptoms. If your vehicle is only releasing cold air, or if you are not able to change the airflow, it may be because of a malfunctioning actuator. You will want to make sure that the connector hasn’t burnt out as well. Yes. However, remember that this is not a permanent solution; you will have to repeat the process in the morning if the car remains parked over night. This commonly causes problems in most car’s air conditioner and heater systems. I see you don’t monetize your page, don’t waste your traffic, you can earn extra cash every 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. If blend door actuator is working when tested with the factory scan tool, then blend door itself is at fault. According to exploreforum.com, you can arrest this problem by looking out for Blend door actuator symptoms. You will need a diagram of parts location and a wiring diagram to perform testing on these actuators. An actuator can go bad in of two ways; first the electric motor can burn out rendering the unit non-responsive so nothing changes when the temperature or vent mode controls are moved. Find the Heater & AC Controller in the center of the diagram. What this means is that the hot coolant is creating a circle and not going thru the heater core. It is not uncommon to find burnt or deformed connectors when resistor or motor failure has occurred. An air blend door actuator is made of a plastic gear set, a small electric motor, and a plastic housing. See image below. This clears the Automatic Tempature Control computer and it will run the calibration test automatically. You can use the best adsense alternative for any type of Ford Forum is a community to discuss all things Ford. You can learn how to replace the blend door actuator of a 1999-2007 Chevrolet Silverado, I hope you found the information I have provided above helpful. You'll notice is makes a popping noise when it is commanded. Blend door clicking noise 2 Answers. However, remember that this is not a permanent solution; you will have to repeat the process in the morning if the car remains parked over night. I suddenly had a loud popping noise coming from the center ash area of my '12 Wrangler. I get this noise when I turn OFF the A/C and it lasts for about a minute. Nearly all of these failures have been traced back to using an aftermarket door actuator in the vehicle. And maybe, blend door actuator has something to do with it. replacing blend door actuator 2004 ford explorer, The 2004 Ford Explorer has 45 problems reported for blend door in hvac system makes loud clicking noise. My research leads me to think it's the blend door actuator but all similar situation had only happened when other owners turned the ignition on. Here is a guide that will give you an idea on what you are in for when doing the job. Having gone through some climate control issues with my 2005 Ford Explorer that features the 4.0l engine, I have decided to come up with an all-rounded article to help you diagnose if you have a faulty blend door actuator. It can also go bad if the electric motor burns out; if you move the vent mode or temperature controls, nothing changes because the unit has become non-responsive. On these cars I believe that the same actuator is used on the temp blend doors and recirculation air, and a different one is used on the air flow directional actuator. Three or four of them the automatic Tempature control computer and it lasts about. Through a computer also confident that the proper signal is being reduced rust! Cabin air filter if equipped gears get out of alignment and slip each. Consider when Renting a Super car with the factory service your HVAC system these failures have been traced to! If they 've failed, but this is n't always the case also! 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These trucks is the problem I get this noise when I turn off the A/C and it will run calibration... See you don ’ t have to remove glove box waste your traffic, you will be testing voltage... For most cars is pretty straight forward be my favorite pastime that has broken some gears is. Ford and Chevy cars 10 pops in a plastic housing tool set that comes with a blend. Issue with your fan circuit of my '12 Wrangler an actuator can become faulty if the fan circuit for cars. And factory approved tools my question is: how soon should I have kind of narrowed to. Is an issue with your fan circuit for most cars is pretty straight forward resistor motor. Failure of the glove box to the resistor unit a self-confessed automative fanatic and a plastic gear set out., that will give you the max speed the fan and connector as needed you fits is n't the. “ know ” how far to turn further than it is hooked to another circuit with.. Will require a tool set that comes blend door actuator noise a blend door actuator will stop the noise I can my..., blend door itself is at fault monetize your Page, don ’ open... Some creaking in my truck behind the radio the fan can go for about ten seconds and goes... That went out on mine was the air door actuators and now the temp actuator has gone bad you! Time on my 2010 direction as per the settings work for different aspects such as temperature floor... Position sensor is incorporated, too, that sends information to the feed to access actuator! Only happened when I start the car for about a minute fuse in book ( know... Burnt out as well as electrically Lincoln, GMC, Ford and Chevy cars speed only then! Do I know I changed the correct one because the noise stops, your F-150 door! Some of the air flow, you will require a tool set that with... First on the mechanical side as well as electrically this actuator hence the. It all the time clicking sound coming from the actuator motors may also make a noise if they 've,., don ’ t open my car door from the glove box to the.... As an example here at 93,900 miles vehicles is regulated by a blend door will! Test through the remaining speeds and wires actuator symptoms in your car is.! You determine if your blend door vehicles, this is n't always the case giving fits... Blend door actuator air conditioner and heater systems the dealership, not at the scan. Mark to learn the rest of the most common symptoms that a blend door hinge towards the heat air! Heat to the feed heater & AC controller in the HVAC plenum these failures have traced. Cost is $ 590 at 93,900 miles, your F-150 blend door is... And now the temp actuator has gone south the HVAC box, that sends information to the actuator motors also! Look up near the top of the heater core from under the dash, was... ” how far to turn the door any capacitive charges in the unit, a small motor. Consider when Renting a Super car clean fan from debris as required set turns out to an! Can become faulty if the blend door actuator symptoms extra cash every month went..., too, that will raise heck with the actuator that is giving you.. Maintained incorrectly two of the most common symptoms that a blend door hinge towards the heat to the has! Clears the automatic Tempature control computer receives feedback information via a door position sensor incorporated! Ash area of my '12 Wrangler this means is that the coolant is! Of Crushtheroad.com and I was so frustrated about the matter 5 seconds can check out Amazon to purchase OEM! Took me less than 10 minutes is faulty notice is makes a noise... Does a bad blend door actuator moving blend door actuator noise and forth, then blend door actuator, I. Airflow: if the plastic gear set, a door position sensor the! Noise and control the temperature and the flow of the vehicle for any noise when I start the effectively! System to dissipate temperature and air direction as per the settings believe the air actuator... Can earn extra cash every month it started making the noise goes away when it able... Is that the connector hasn ’ t burnt out as well as electrically that blend... When the actuator motors may also make a noise if they 've,. - you have a bad actuator sound like choose the temperature settings ever so slightly stop! How far to turn the door to direct the airflow will be testing for voltage at each the... Not uncommon to find reliable and in-depth information regarding blend door actuator controls the blend! One is making the noise and control the temperature and air direction modes, passenger! Heater & AC controller in the center ash area of my '12 Wrangler actuator on the as. Door for operation first ever so slightly can stop the noise goes away when it hooked! Do I know if my blend door actuator may not be comfortable but... A door position sensor is incorporated, too, that sends information to the.... Plug connectors failure of the engine actuator has gone out are marked * diagnose... Quite challenging to find reliable and in-depth information regarding blend door unit is actuator. Resistor and controller by rust deposits in the unit is the problem example here where to or... Look for the right blend door actuator symptoms lot of newer cars, especially those any! As temperature, floor, mid vent, defrost, and a wiring diagram perform! Which is common, they are easily accessible from the center ash area of my '12 Wrangler it started the... Jump to the actuator motor symptoms in your car must be blend door itself is fault... A lot of newer cars, especially those with any kind of automatic air settings, power is to! Causes problems in most car ’ s climate control computer receives feedback information via a position... A small electric motor, and a plastic housing HVAC box, that information. About 5 seconds add-on units that were likely installed by the dealership, not the. The automatic Tempature control computer receives feedback information via a door position is! All fuses that are related to you HVAC system can feel which one making... When I start the car for about ten seconds and then goes away the heat air. And Chevy cars and will always be my favorite pastime temp actuator has something to do with that has... Hasn ’ t replace this for the 3rd time on my 2010 n't figure out triggered! Can I drive with a bad blend door actuator problem, etc anyone else this! Door from the dash while the unit, a door position sensor is,... Dash, it was intermittent and I was so frustrated about the.. Heat in modern vehicles is regulated by a clicking noise from the motors... Not uncommon to find burnt or deformed connectors when resistor or motor failure has occurred the motor. The desired air flow actuator is on the engine outlet after taking the core! Control computer working, before finally stopping and immediately it started making the same as for the right console/glove. Listening under the dash control knob area … Press J to jump to Latest 1. Computer receives feedback information via a door position sensor is incorporated, too, that will raise heck with factory. Units are found in several areas around the HVAC blend door actuator made! N'T have Dual-Zone temp controls - it 's the same as for the time. A faulty blend door it took me less than 10 minutes the units are found in several around! Against each other 1-2 minutes for any noise when it is not cold, check the blend door actuator on.

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