Dodge Ram Blend Door Symptoms

Dodge Ram Blend Door SymptomsThe dash dosent have to come all the way out of the truck but does have to be unbolted and slid towards the back of the truck. 0:00 / 10:24 Blend Door Repair - 2005 Dodge Ram 1500 Pickup Truck dirtyshirtinfo 3. We had to replace the setup in the 05. Sometimes diagnosing the A/C system can be tricky, but when the recirculation door fails, its symptoms stand out from the the rest of the crowd. Blend Door Actuator Symptoms: Everything You Need to Know">Blend Door Actuator Symptoms: Everything You Need to Know. Step 4 – Install the new recirculation door. It can be loud or soft, but it will always repeat itself. Step 1 – Check for debris Debris might be clogging the A/C system. A blend door actuator may have a few different symptoms. When the actuator fails (or starts to fail), you’ll likely notice one or more symptoms that make your daily commute less pleasant. There are several telltale signs that you’re experiencing a heater core problem: 1. Incorrect temperature: This is one of the more common symptoms of a defective blend door actuator. To view the project/source video: http://dirtyshirt. Another symptom is that your A/C will also blow cold air instead of the warm or hot air which is what it’s supposed to do. Another symptom is that your A/C will also blow cold air instead of the warm or hot air which is what it’s supposed to do. Below are some symptoms of a bad or failing blend door actuator: Strange Sounds A clicking sound coming from the dashboard is another sign that your blend door actuator might be failing. This range does not include taxes and fees, and does not factor in your specific model year or unique location. … read more KEVIN KELLER Associate's degree. Blend Doors Not Functioning Properly 2006 Dodge Ram 2500 This problem may be covered under warranty. 2022 Ram 1500 5th Gen, Big Horn, 4X4, Crew Cab, 6'4" Box. The MODE knob must be in DEFROST. Blend-air door (s) or actuator (s) not functioning properly. I have been told the blend doors are bad and the actuator is bad. 4 km from Marino Beach Colombo. Blend Door Actuator Reset Without Scan Tool: Place the ignition key in the on position and switch on the HVAC system. Symptoms of a Bad or Failing Heater Core. In this instance, you would be able to track down the offending line that developed a hole and swap it out. Press and hold the EBL button until AC00 appears in the odometer display. If the door is broken your better off buying the updated system for the truck. All structured data from the main, Property, Lexeme, and EntitySchema namespaces is available under the Creative Commons CC0 License; text in the other namespaces is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. 407K views 2 years ago SYMPTOMS OF BAD BLEND DOOR ACTUATOR In this video we will cover the symptoms of bad blend door actuator. You’ll hear the noise coming from behind the dashboard. Ask your Dodge dealer. Buy & Sell Cars in Sri Lanka. 120 Location laurel de Ram Year 2004 Engine 5. It could be loud or faint, but it will be constant and repetitive. A bad blend door actuator may make a clicking sound when activated. The blend door is on the pass side behind the dash. You can take them off and move the doors by hand and, if they're stiff, try to get some lubricant in there and then move them by hand until they're loose again. I essentially have 2 distinct symptoms on this servo: Symptom 1: (explained above) Ricirculation on => Rotates 90deg; Recirculation off => Rotates opposite direction 360deg Symptom 2: Case 1: Turn Recirculate On -> Servo begins to rotate -> Quickly turn Recirculate Off => Servo rotates 90deg then reverses direction for 360deg. The 10 Best Restaurants Near Marino Beach Colombo. Blend Door Actuator Symptoms: Much Is A Replacement?">Blend Door Actuator Symptoms: Much Is A Replacement?. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend!. For the actuator’s output shaft to move, its gear alignment is crucial. If not your actual blend door. The blend door actuator is a small electric motor in your car that controls your car's climate control system. Blend door/actuator problems. Apply a bead of RTV sealer, p/n 04467708 or equivalent, to the perimeter of the opening to seal the joint between the bulkhead and the HVAC gasket and the joint between the drain tube and the HVAC gasket. Set the TEMPERATURE knob all the way into the COLD position. Bad Blend Door Actuator Symptoms. The driver side blows ice cold air but the passenger side blows about 20 degrees warmer. Shop & discover our premium high-quality Dodge Ram Blend Doors from Blend Doors USA! Fits 02-08 Dodge Ram 1500 and 03-09 2500, 3500, 4500, & 5500. Na Duang, Loei, Thailand Today, Tonight & Tomorrow's. The Recirc door opens and closes to allow fresh air into the cabin or to block it off and recirculate the air inside the cabin. step#5 install new plastic adapter. 2006 Dodge Ram 2500 Blend Doors Not Functioning Properly. info/auto_dodge_blend_door. What are your thoughts on this? Reply Save Like 1 - 8 of 8 Posts P Phillipjon · #2 · Jul 10, 2017 Sounds about right. Sometimes diagnosing the A/C system can be tricky, but when the recirculation door fails, its symptoms stand out from the the rest of the crowd. Blend Door Actuator Symptoms – Steps To Test and Fix. There’s a chance the mode or blend door actuator may be good but the door or linkage is binding, so check it before you replace the actuator (photo above). How To: Replace the Blend and Mode Door Actuators. This truck only has one heat control. Ram 1500 HVAC Blend Door Actuator Replacement Cost. Old thread but an excellent and informative follow up post. 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. At some point, these gears are bound to fail. Step two, Unplug actuator & Remove 2 screws Holding the actuator in place (one is hard to get to, Be patient can be removed with a L Shaped Screwdriver) Step#3, Remove actuator from the housing. We will explain the most common symptoms of bad blend door. Step 2 – Connect a vacuum boost gauge. This occurs when the motor gears get out of alignment and slip against each other. Blend door actuator motors are relatively inexpensive, usually less than $100. However, if you aren't an experienced mechanic or technician, you. The most common symptoms of a bad blend door actuator are problems with your car's air conditioning controls and strange noises coming from the air vents. Blend Doors Not Functioning Properly 2006 Dodge Ram 2500 This problem may be covered under warranty. The dash dosent have to come. You may notice inconsistent temperature or. What Is a Blend Door Actuator, and How Do I Know if I Need One?. What a Blend Door Actuator Does. Neighboring districts are (from the south clockwise) Nam Nao of Phetchabun Province, Phu Ruea, Wang Saphung, Nong Hin, and Phu Kradueng of Loei Province. Western Union Agent Locations. Set the FAN SPEED knob to anything except OFF. What is a blend door? — Ricks Free Auto Repair Advice Ricks. If the door is not moving correctly from heat to air and between, it is usually the problem. Noises From The Dashboard Area As mentioned, the blend door actuator has several gears inside to operate the blend doors. Jun 18, 2011 #3 OP reefguy89 Senior Member Joined. Turn the ignition key to the off position. Can I drive with a blend door actuator problem?. Temperature control is a fairly minor system in your vehicle, but it can be finicky. 6 pretty bad Typical Repair Cost: $940 Average Mileage: 69,100. for airport transits, going from plane 1 to plane 2 does not need any visa at all hence the transit visa IS for going into Sri. Featuring a tough aluminum blend doors in a convenient kit with everything you need. A bad blend door actuator may make a clicking sound when. It can take input directly from the climate control switches, or if your vehicle has a sophisticated system it can be adjusted by the computer to. Replaced Blend Door Actuator Still Not Work. 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 the door is broken your better off buying the updated system for the truck. I picked up a working blend door actuator and when I put 12 volts to the motor it operates and turns. What exactly does the blend door do, and how many are there? My issue is this: When I have the air set to upper vent only, thats where the air goes and its warm. If you hear a repeated light clicking sound coming. Replacement can be as simple as removing three screws and swapping the motor. I have a 99 Dodge Ram 2500 and am having problems getting the blend door actuator to operate. A faulty actuator can cause the blend door to be stuck in one position or another, resulting in an outlet temperature that’s hotter or colder than the desired setting. We will explain the most common symptoms of bad blend door. Blend-air door (s) or actuator (s) not functioning properly. On your 1994 to 2001 Dodge Ram, one thing you might be told is that you have an EVAP system leak; sometimes small, sometimes large. You'll hear the noise coming from behind the dashboard. The actuator motors may also make a noise if they've failed, but this isn't always the case. 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. My fix is fast and permanent recirculation. The blend door actuator is and electric/switch motor about 2x2x1 on bottom of the heater near the hump carpet. I'm going to have to check the piece you refer to. I thought it might be the vacuum check valves, but I changed both and I am still having problems. Replace the Blend and Mode Door Actuators">How To: Replace the Blend and Mode Door Actuators. When this component fails, it tends to clog up the air vents and causes little to no airflow. 00 3rd Gen Ram (02-09). Signs of a Bad Blend Door Actuator When the blend door actuator in your car starts going bad, there are signs you could be on the lookout for to help you properly diagnose the problem. Step one, Put the temp knob to 12'oclock position. Blend Door Problems? Need more air out the vents. What is a Blend Door Actuator (Everything To Know). Change the heater core, it is plugged and corroded through and leaking. Below are some symptoms of a bad or failing blend door actuator: Strange Sounds A clicking sound coming from the dashboard is another sign that your blend door actuator might be failing. Blend door actuator: definition, function, symptoms, testing ">Blend door actuator: definition, function, symptoms, testing. -drive socket set and screwdrivers. Why the AC Blows Cold on One Side and Hot on the Other. Different Outlet Temperatures. Especially the difference between 'enter' and transit' (as e. Inconsistent Airflow: If the blend door is moving back and forth, then the airflow will be diverted incorrectly or maintained incorrectly. Here are some of the most common symptoms that a blend door actuator has gone bad: 1. You can usually diagnose and fix the problem yourself in about an hour. It can be removed by itself with a 90*ratchet screwdriver. 2006 Dodge Ram 2500 Blend Doors Not Functioning …. Believe it or not, your car also functions as a big container for leaves, dirt, and other types of road debris, which could lead to a clog in several parts of your A/C and heater system. Locate the evaporator hose and drain tube opening in bulkhead at the rear of the engine compartment. 7 hemi So my trucks is not blowing air out of the defrost vents and very little at mid level. It's simply the door that opens and closes to let outside air into the cab. htmlThis is a demonstration of a blend door or recirculation door repair on a. While looking up from the foot well, remove the two Phillips screws holding the old recirculation door motor in place. You will hear this sound due to a bad door blender in some cases. The A/C button can be on or off. The first one is that the heater will blow cold air, even when you have it set to hot. To the northwest of the district is the pla. You can manually open and close the blend door, heat should move to your drivers side at that time. The problem is in the cooling system if you have to turn the temp knob at a cold position to feel the A/C. 1K Share 153K views 4 years ago HIXSON On dodge ram 1500 with super weak air flow for heat or A/C. Dodge Ram A/C Only Blows From Top Defroster Dan The Certified Car Man 2004 Dodge Dakota Broken Blend Door - Outside Air Coming in Cabin dodge durango/chrysler Aspen heater not working ?. This page was last edited on 16 December 2020, at 11:26. 407K views 2 years ago SYMPTOMS OF BAD BLEND DOOR ACTUATOR In this video we will cover the symptoms of bad blend door actuator. Sent from my iPhone using Tapatalk Nov 24, 2016 #3 Hootbro U. In some cases, the blend door actuator can be accessed by removing the glove box. Blend Door (with pictures and the common problem). Blend Door Actuator Symptoms – Steps To Test and Fix">Blend Door Actuator Symptoms – Steps To Test and Fix. com%2fac%2fblend-door-actuator%2f/RK=2/RS=R9w36Fe0rdq0djLYmdp1UZrmuac-" referrerpolicy="origin" target="_blank">See full list on mechanicbase. SYMPTOMS OF BAD BLEND DOOR ACTUATOR. A bad blend door actuator may make a clicking sound when activated. A Blend Door Actuator And How Do I Know If I Need A ">What Is A Blend Door Actuator And How Do I Know If I Need A. The most common symptoms of a bad blend door actuator are problems with your car’s air conditioning controls and strange noises coming from the air vents. The recirculation/fresh air blend door is broken off and is blocking the airflow of your fan. 225 Galle Rd, Colombo 00400. A faulty actuator can cause the blend door to be stuck in one position or another, resulting in an outlet temperature that’s hotter or colder than the desired setting. this was caused by part of the door hinge falling into the squirrel cage fan putting it out of balance. There were certain behaviors of the waiters and waitresses that made me turn back and go home. A faint clicking or droning sound underneath the dash is usually a blend door actuator noise. A blend door actuator receives input from the climate control system and changes the blend of hot/cold air entering the vehicles cabin. It's a little harder to get to, but I'll get it soon. subdistrict in Phu Luang district, Loei province, Thailand. The AC inside the lounge area was not working properly. Labor times can vary depending on year, make and model. If the actuator doesn’t move, it’s probably bad. 743K subscribers Subscribe 407K views 2 years ago SYMPTOMS OF BAD BLEND DOOR ACTUATOR In this video we will cover the symptoms of bad blend door actuator. It is possible that the coolant circulation is being reduced by rust deposits in the heater core. If the door is not moving correctly from heat to air and between, it is usually the problem. Get truck to proper operating temp, and turn heater temp on high, fan speed on medium. Faulty blower motor system Inoperative A/C-heater control TEMPERATURE CONTROL If the heater outlet air temperature cannot be adjusted with the temperature control on the A/C-heater control, the following could require service: Inoperative A/C-heater control. Blend Door Actuator Symptoms: Much Is A Replacement?. I have a 2013 ram 1500 crew cab longhorn, drivers side blows cold air floor, vents and dash, passengers side blows good warm air top and read more Expert 4,444 satisfied customers No heat from drivers side. In that case you may have heat on the driver’s side but cold air on the passenger side. Dodge Ram 3500 HVAC Blend Door Actuator Replacement Cost …. You have little or no heat inside your car Your vehicle is running fine, with the temperature gauge reading normal and no other cooling system problems. A blend door actuator may have a few different symptoms. Here's a "quick and dirty" to diagnose an obstructed heater core. It's a rear-wheel drive front-engined luxury saloon with 4 doors & 5 seats. This is a product developed by the HeaterTreater Engineers for the common HVAC modulation door. If you are unable to control whether the air comes out of the floor vents or the defrost vents there may be an issue with a mode door actuator. All you need is a shop manual, a 1/4-in. A faint clicking or droning sound underneath the dash is usually a blend door actuator noise. That being said, here are faulty blend door actuator symptoms: 1. One thing to remember is that there’s an actuator at each door. What Is A Blend Door Actuator And How Do I Know If I Need A. After gaining access to the plenum (often through the glove box area), cuts are made into specific, nonvisible areas of it with a Dremel. A bad blend door actuator may make a clicking sound when activated. Use the needle nose pliers to remove. 48K subscribers Subscribe 770 297K views 11 years ago To view the project/source video:. This worked for me, but I still have to work on the one that moves the door to the windshield defrost. 2008 Dodge Ram HeaterTreater - Heat and AC Blend Door Replacement Parts. “ Brownie Bite ” 03/03/2021. The first one is that the heater will blow cold air, even when you have it set to hot. Dodge Ram 1500 trucks had symptoms of running rough. Get the forecast for today, tonight & tomorrow's weather for Na Duang, Loei, Thailand. If none of the locks work, the problem lies. The blend door actuator is and electric/switch motor about 2x2x1 on bottom of the heater near the hump carpet. Below are some symptoms of a bad or failing blend door actuator: Strange Sounds A clicking sound coming from the dashboard is another sign that your blend door actuator might be failing. You may notice inconsistent temperature or airflow. Ram pickup truck and the Viper's V10 engine, and somehow Dodge not only built just Here are the most common symptoms of a bad ECU: Check Engine Light stays. It's simply the door that opens and closes to let outside air into the cab. HVAC Heater Blend Door Actuators. The most common symptoms of a bad blend door actuator are problems with your car’s air conditioning controls and strange noises coming from the air vents. #601 of 816 Restaurants in Colombo. 407K views 2 years ago SYMPTOMS OF BAD BLEND DOOR ACTUATOR In this video we will cover the symptoms of bad blend door actuator. This truck only has one heat No heat from drivers side. That means a faulty actuator will only affect a single lock. Related repairs may also be needed. You will hear a chime and the A/C light will blink. A blend door actuator may have a few different symptoms. Another sign that you might have issues with your blend door actuator is a clicking sound coming from the dashboard. But when you turn on the heat, it never warms up. In my case I just removed the fan and pulled out the door, without having to pull the dash. The only rear way to diagnose a concern like this is to connect a scan tool. Keep your ride cool and comfortable by replacing your damaged blend door actuator with a brand new one from CarParts. If you experience the symptom of the AC blowing hot or cold air on one side but not the other and it’s accompanied by a clicking or ticking sound from the dashboard, it probably means a gear in the temperature blend door actuator is faulty and the actuator needs to be replaced. 🏎️ 8,594+ New and Used Cars for Sale in Sri Lanka at best Prices. A faulty actuator can cause the blend door to be stuck in one position or another, resulting in an outlet temperature that's hotter or colder than the desired setting. Esp likely since you replaced the actuator and there was no change in your situation. It is so small that you could easily fit it in one hand if you were attempting to remove it. It can then be removed as most do because to fix it with a new door involves pulling the dash and a half day job in time. Another sign that you might have issues with your blend door actuator is a clicking sound coming from the dashboard. If the door binds, take it to a pro for replacement. When a blend door actuator fails, you’ll no longer have control over the temperature coming out of your vents. The following are bad blend door actuator symptoms 1. Blend Doors Not Functioning Properly 2006 Dodge Ram 2500 This problem may be covered under warranty. Most times, switching the climate control dial can temporarily stop the noise. Blend door actuator: definition, function, symptoms, …. Typically the blend door will close (go to heat) when I let off the throttle. Another possible symptom is a clicking noise from the actuator motor. Symptom was low air flow no matter what fan speed, and the dash would vibrate on fan speed 3 & 4. com/_ylt=AwrFOd53PWFkfQYtvKJXNyoA;_ylu=Y29sbwNiZjEEcG9zAzIEdnRpZAMEc2VjA3Ny/RV=2/RE=1684123128/RO=10/RU=https%3a%2f%2fmechanicbase. You have little or no heat inside your car Your vehicle is running fine, with the temperature gauge reading normal and. That being said, here are faulty blend door actuator symptoms: 1. If anything, they’re more prone to failure since they are plastic gears rather than metal. If your blend door actuator has gone bad in some way, it's basically one of two problems. What Is A Blend Door Actuator And How Do I Know If …. The first one is that the heater will blow cold air, even when you have it set to hot. 6 pretty bad Typical Repair Cost:. When you start hearing a knocking sound as you start your AC system, then it’s an indication of a bad or failed blend door actuator, and you need to replace it as soon as possible. Blend Door Actuator Symptoms: Everything You Need to Know. Take a look at blend door USA for new doors. Blend Door Actuator Symptoms: How to Test and …. Chrysler 300 and Dodge Charger 2006. I essentially have 2 distinct symptoms on this servo: Symptom 1: (explained above) Ricirculation on => Rotates 90deg; Recirculation off => Rotates opposite direction 360deg Symptom 2: Case 1: Turn Recirculate On -> Servo begins to rotate -> Quickly turn Recirculate Off => Servo rotates 90deg then reverses direction for 360deg. The sound will be coming from the area where your HVAC controls are on your dashboard. A faulty actuator can cause the blend door to be stuck in one position or another, resulting in an outlet temperature that’s hotter or colder than the desired setting. Bad Blend Door Actuator: Symptoms, Location, & Replacement FAQ. Step 2: Align the Actuator’s Output Shaft Gears. That's a pretty standard indication that there's a problem with the blend door actuator. Set the FAN SPEED knob to anything except OFF. A faint clicking or droning sound underneath the dash is usually a blend door actuator noise. Remove the 3 screws (1) holding the blend. But if your car heater blows cold air and you’ve checked both heater core hoses to make sure they’re hot, you likely have a bum blend door actuator. Blend door broke off and its blocking fan. Open your car hood and find the #15 fuse in the fuse box. Open hood and either use a laser thermometer, or just simply touch the heater hoses with your hand, and take note of the difference in temp between the in and out flow hoses. What controls the blend door actuator 99 Ram 1500. You may be able to make the noise stop by pushing down on the back of the motor and getting the gears to catch. Here is a more detailed list of the most common signs of a bad blend door actuator to look for: 1. Knocking Sounds Knocking sound is a common symptom of a bad blend door actuator. Dodge Ram 1500 2004 air recirculation door fixed fast. Can I drive with a blend door actuator problem?. 4 Symptoms Of A Bad Blend Door Actuator. The average cost for a Dodge Ram 3500 HVAC blend door actuator replacement is between $461 and $566. How to Perform a Blend Door Actuator Reset (Step by Step). Another symptom is that your A/C will also blow cold air instead of the warm or hot air which is what it's supposed to do. Step 2: Align the Actuator’s Output Shaft Gears. When the motor burns out in your HVAC heater blend door actuator, it can affect your vehicle’s temperature settings. Buy from ikman's largest collection of Hatchback, Saloon, SUV, MPV cars from top brands. The blend door actuator is and electric/switch motor about 2x2x1 on bottom of the heater near the hump carpet. Not aligning them properly can lead to the breaking of the gear teeth. AC Blows Cold on One Side and Hot on the Other?. Phu Luang (Thai p la) is a district (amphoe) of Loei Province, northeastern Thailand. Labor costs are estimated between $405 and $511 while parts are priced at $56. We were able to get the one in our 98 Blazer out by dropping open the glovebox and using some small tools. It’s important to examine or inform your mechanic to perform a blend door actuator reset when you notice any bad blend door actuator symptoms, such as an inconsistent or wrong temperature, clicking sound or sound beneath the dashboard, or knocking sound below the dashboard. Using a scan tool can aid this process. Symptoms Of A Bad Blend Door Actuator & Replacement Cost">4 Symptoms Of A Bad Blend Door Actuator & Replacement Cost. See more Reply Save Like Flopster843 · #5 · May 18, 2017. Cost to replace a blend door actuator. The problem is it is plastic and the tabs break and it falls down above the fan. Find a Western Union® agent location in จ เลย where you can send international money transfers, money orders, bill payments and more!. The blend door is the problem if the air is cooler than in vent position. The product was named “most service-friendly new product” in the New Products Showcase at MACS. Blend Door Repair - 2005 Dodge Ram 1500 Pickup Truck dirtyshirtinfo 3. In a dual zone setup, one blend door actuator can fail while the other side works just fine. A new door actuator costs less than $100. The problem is it is plastic and the tabs break and it falls down above the fan. Symptom was low air flow no matter what fan speed, and the dash would vibrate on fan speed 3 & 4. Where is the blend door located? And how do i acess it? Jun 18, 2011 #2 K KGBIGCOUNTRY Senior Member Joined Jun 29, 2010 Posts 13,313. Dodge Ram 1500 HVAC Blend Door Actuator Replacement Cost. This noise may be obvious when you switch on your vehicle AC system or turn on the climate control dial. Access our free Removal & Installation Repair Guide for 300, 300C & Magnum 2006-2008, Charger 2006-2008 through AutoZone Rewards. HeaterTreater has developed a process for replacing the blend door without removing the dash and HVAC plenum. Well, chances are it's the blend door motor, the unit that moves a blending door in a duct behind the dash on the passenger side that moves anywhere between cold and hot, corresponding with your temperature knob. Blend door actuator ">Amazing Techniques to Easily Identify Blend door actuator. It can be removed by itself with a 90*ratchet. The dashboard area where your HVAC controls are located will be where the noise is coming from. Another sign that you might have issues with your blend door actuator is a clicking sound coming from the dashboard. Blend Door Actuator Symptoms: Everything You Need to …. 3rd Gen Ram (02-09) Dual Zone Blend Door Set (DT-4DR-Y) Regular price $275. The blend door is on the pass side behind the dash. The recirculation door is used to prevent the outside air from entering the truck's cabin through the vents. If your car’s temperature won’t heat up when you want it to, the air conditioning won’t expel cool air or it will only get so hot or so cold, then it’s probably the blend door actuator. How to Replace Dodge Dakota and Durango Blend Door Actuator. Signs of a Bad Blend Door Actuator When the blend door actuator in your car starts going bad, there are signs you could be on the lookout for to help you properly diagnose the problem. Remove the 3 screws holding the fan on (floor, pass side), reach in to the left and fish door out by moving it around until it can get thru the opening. You don't need this door really, so don't replace it. This example is a Dodge Ram. Blend door actuator: definition, function, symptoms, testing. It looks like a small plastic box with a few plastic gears on the inside. Symptoms of a Faulty Door Lock Actuator. A faint clicking or droning sound underneath the dash is usually a blend door actuator noise. So i figure it is probly the blend door. 23: Blend door actuator feedback failure (bad servo) 24: Mode door actuator feedback failure (bad servo) 25: Ambient temp sensor failure 26: ATC In Car thermister failure (ATC only, bad ATC head or ATC head disconnected while battery is connected) 27: ATC in car sensor failure (ATC only). Call for a new blend door actuator today. New Service Opportunities. The blend door actuator is a small electric motor in your car that controls your car's climate control system. Where is the blend door located? Thanks for the help MeenGreen. I initially plugged it into the blend door plug hanging by the firewall and it worked when the key was on the ON position and the switch for defrost. Symptoms a Blend Door Actuator is Bad. There are several telltale signs that you’re experiencing a heater core problem: 1. Spin the gears using your hands till they are properly aligned, and you notice that the movement is smooth.