air blend door
1) issue: drivers side vents supplying only vent air, while passenger side cold. Changed the actuator motor today and also took off and inspected the cover plate beneath it. after reinstalling everything, the system is totally out of sync. vents dont work. only defrost works. cold on right, hot on left, what a mess. Please advise about syncronizing system. Al
My car has 63000 miles.
My car has an automatic transmission.
Experienced mechanics share their insights in answering this question :
If you have different temperature from the driver and passenger sides, then that is a BLEND DOOR issue. The blend doors are little triangular devices with centers that rotate from an electrical signal. Their plastic gears can break, or the motor can lose the ability to move them. They are under the dash but reachable from the cabin without removing much more than the black noise panel. They are held in place by 3 screws (philips). At the center of the HVAC near the top, but reachable without removal, is a MODE DOOR. If you have an inability to get the air to blow anywhere but out the defroster, then that is a MODE DOOR issue. The mode door has a lever on the side, and you can move that manually. I would recommend having an expert from YourMechanic come to your home to diagnose and repair.
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there are 2 blend door actuators (that controls cool and heat); the left (passenger side is accessed by taking out the glove box) and right (Driver side) one is on the opposite side under the dash. So at least i know now if they ever go :-).
Blend Door Actuator:
The blend door actuator is typically located closer to the heater core and evaporator than the mode door.
An Actuator or Blend Door Actuator, is a small electric motor in your vehicle that runs in forward and reverse motion to move the Blend Door/ Air Mix Door between fresh air and re-circulation modes, hot and cold air flow, and floor/defrost modes. The Actuator is what actually went out with one of these vehicles.
Typically, vehicles have 3 or 4 actuators. Vehicles with rear controlled HVAC will often have additional actuators to control the auxiliary unit, bringing the total per vehicle to as many as 6.
There can also be two blend door actuators in your car if you have a newer model. If your backseat has controls to the temperature and airflow intensity, then your car will have two blend door actuators.
Mode Door Actuators: The mode door actuator controls what vents have air flow, i.e. floor, panel or front, defrost, or any combination of those. Recirculation Door Actuators: The recirculation door actuator controls the intake of air into the system, either bringing outside air in or using inside air in recirculation.
Re: Manually Turn Blend Door Actuator? its kinda hard to turn them while still on, if you take the actuator off and turn the knob, then turn the actuator and put it back on, with no bolts, and it should stay and hold the knob where you want it to be.
The AC actuator is located above or below the coil. It can be set to either single speed or variable speed. When it is not working properly, your AC will be ineffective, and your power bills can skyrocket.
Simply connect a multimeter in series with one of the leads of a powered linear actuator and watch the amperage reading as you extend/retract the rod. Based on the reading, you can determine a power supply that will be able to handle that current draw.
To test a linear actuator`s current draw, simply connect a multimeter in series with one of the leads of a powered linear actuator, and watch the amperage reading as you extend/retract the rod. Based on the reading, you can determine a power supply that will be able to handle that current draw.
The actuator receives power when the driver turns the temperature lever or knob on the dash, which causes the device to move the blend door in one direction or the other.
If replacing a blend door actuator, check to make sure the blend door position is completely closed before installing the new blend door actuator. If the blend door is left open, even slightly, the temperature inside the vehicle will not match the A/C temperature selected.
Most door lock actuators are integrated into a door latch assembly, and you`ll find one at each door that has a power lock. Some lock actuators are separate from the latch, and they tend to be less expensive.
Common examples of actuators include electric motors, stepper motors, jackscrews, electric muscular stimulators in robots, etc.
There are four basic types of linear actuators: mechanical/electro mechanical, hydraulic, pneumatic and piezoelectric.
The main difference is that the sensors pick physical gestures from their environment and convert them into electrical signals- while actuators pick the system`s electrical signals to convert them into physical gestures (heat, sound, electricity, etc.).
The Average Cost to Replace a Blend Door Actuator Is $309-$355, Depending on if You Go to the Mechanic or DIY. This price range is based on national averages for all vehicles and does not factor in taxes, fees, or your particular make and model.
Electric linear actuators are driven by either an AC or DC motor.
Actuators are an important part of virtually any building ventilation or air conditioning system. It is an actuation element of applications in the field of measuring and control technology, which moves the air, fire or smoke dampers or other armatures to the position required by the control system.
Common signs include inconsistent cooling, out-of-date software, and uneven air distribution, since the module controls the whole AC system.
Think of actuators as devices that help produce linear motion and motors as devices that help produce rotational movement. Hence, some consider actuators as a type of motor. But a motor is not a type of actuator. Both are critical to powering industrial applications and have a purpose in the right setting.
The speed of an actuator can be changed for both directions, but that requires specific equipment outside of a speed controller.
They can be removed with the Wire Cutter or The Grand Design. The Presserator automatically places Actuators on objects when placing them, if the player has any.
Actuators in HVAC systems control the dampers. By utilizing a low voltage signal, the actuator places the damper at any point between fully open and fully closed. A critical element of an HVAC system, proper actuators ensure that zone dampers function properly – without them, the dampers won`t function at all.
Relevant Questions and Answers :
the most relevant questions and answers related to your specific issue
Driver side door lock button not working, and passenger side sliding door makes a buzzing noise
ANSWER : Hi there. These door issues are common on this vehicle. Most of the time the main issue is the master door lock switch on the driver door. It sounds like you already replaced that. As for the sliding door problem, most of the time, this is a failure within the door module or it can be a connection issue.
I typically take the door apart and check the connections on the module and inside of the door just to make sure that there is nothing apparent in there. If the connections and the wiring are fine, then I use a scan tool to check the module to see what the inputs and outputs are doing. If you need to have this looked at, consider YourMechanic, as a certified mechanic can come to your home or office to diagnose your door problem and recommend a repair.
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Door unlocked alarm, no power window or door lock on driver door only, interior light comes on with L turn signa
ANSWER : Hi there. In general, wiring harnesses are sold by the manufacturer as a whole harness; not individual wires. It is much easier, cost-efficient and safer to replace the entire harness if it’s determined that it is faulty and the source of your alarm / door issue. It would be best to have one of our mobile mechanics come to your location and complete an electrical problems inspection though, as it’s possible that this issue is related to an error code trapped in the ECU. If this is the case, simply clearing the code will resolve the problem. If the issue is determined to be the wiring harness or an exposed wire, they can recommend and most likely complete the repairs as well.
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2012 GMC Sierra 2500HD No Blend Door Working
ANSWER : Hello, you are going to need a diagnostic chart for this type of issues. The chart gives you a process to a path of repair or replacement for each code. When you have many system codes you would first check power and grounds. An electrical schematic would be required for this. The HVAC control module itself could be at fault. If you’d like, a certified technician from YourMechanic can come to your location to run system tests to diagnose the AC system and perform appropriate repairs as needed.
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Hot air mixed with cold blows from air conditioning
ANSWER : Hey there. You will most likely have to have a mechanic bypass the heater coolant lines to have this resolved. Your A/C may not be controlling the air flow inside the evaporator correctly out of the vents and may be the blend door actuator stuck in the heat position. Have the AC system diagnosed first before bypassing the heater.
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How do I know which blend door actuator is affected?
ANSWER : Hi there. This video is actually pretty good showing how to replace a blend door actuator on a 2006 through 2013 Chevrolet Impala. You might want to watch the video to see where and how to replace this component.
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all doors lock only by inserting key in passenger side door and locking
ANSWER : Your central locking system may have been designed with a control module in the circuit. This is a small computer that is responsible for controlling the different functions of a particular system. It is possible that the module for your central locking system may have shorted out internally preventing particular functions from working properly. I would recommend having a certified technician test your central locking module to determine if all of its functions are working properly.
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Doors wont lock or unlock with fob or switch?
ANSWER : Hello. Further testing should be done to help solve your problem. Being that the door unlock reprogramming procedure has already been done and the fuses have been checked there’s not much left it could be. When you hit the unlock button you should hear a little noise in each of the doors. If you hear the noise that means that the motor inside of the door actuator is working therefore it is likely the actuator itself as the problem. Though if you do not hear any noise that means it is likely the motor inside of the actuator. The actuator motors are very common failure on Lexus. The Lexus Community is almost an uproar because the a L in Lexus should also stand for luxury but there have been widespread simple problems reported such as this. A technician such as those we have here at yourmechanic will be able to diagnose your door lock issue for you firsthand. But if you consider following the test I suggested that should help you narrow down to a solution as well.
It may also be a beneficial to take a door panel off and probe a multi meter to the door actuator connectors to ensure they are receiving the proper power and ground when the buttons are pressed. If they are that only leaves two things that can be at fault. The door actuator or the motor inside of the door actuator.
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Only the driver’s door will unlock with the remote or door switch
ANSWER : Hi there. On your particular vehicle, there is a central control that receives the signal from the key remote and relays that information to the other locks. This could be the component that is damaged. To be certain, you might want to have a mobile technician, such as one from YourMechanic, complete an inspection to diagnose your door lock problem so the right repairs can be made.
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