Is it possible to repair a blend door actuator?
The process of repairing a blend door actuator is not universal. Its location will likely be slightly different in every single vehicle, which can make it a little bit tricky when it comes to DIY repairs. The basic idea is the same from one to the next.
Why does my Blend door not turn on?
Since this is just a small electronic part, this won’t be unheard of. If that happens, the blend door won’t work, and it’s likely your temperature will just be stuck on one setting with no ability to adjust the intensity up and down, or alternate between things like the lower vents or the defroster.
Why is a blend door called a door?
The blend door is called a door because it really is just a flat panel of plastic. It opens or closes to allow air flow in whatever direction is required. It’s about as low-tech as your car can get, where the actual technology is in the actuator itself.
What happens when you replace the actuator on a blend door?
Once all of the mounting screws have been removed the actuator should become loose. Grasp the actuator and pull it from its mount to remove. Before installing the new actuator it’s a good idea to manually turn the blend door in both directions to ensure it is not stuck which will cause the new actuator to fail.
Since this is just a small electronic part, this won’t be unheard of. If that happens, the blend door won’t work, and it’s likely your temperature will just be stuck on one setting with no ability to adjust the intensity up and down, or alternate between things like the lower vents or the defroster.
The blend door is called a door because it really is just a flat panel of plastic. It opens or closes to allow air flow in whatever direction is required. It’s about as low-tech as your car can get, where the actual technology is in the actuator itself.
Can a heater be removed from a blend door?
If the door is stuck the heater plenum with need to be removed and the problem resolved before installing the new unit. To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way. You will be able to feel the air change temperature or vent level.
What do I need to replace car door actuator?
You will need a tool set including an 5.5 mm socket for Chevy, GMC, Cadillac, Ford and Lincoln vehicles. Using a small socket and ratchet remove the mounting bolts that hold the under dash plastic cover on the passenger side. These screws can be in obscure places so look around for them.
If the door is stuck the heater plenum with need to be removed and the problem resolved before installing the new unit. To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way. You will be able to feel the air change temperature or vent level.
Why do I have a problem with my actuator?
It helps control the temperature and air flow within the vehicle. When you have a problem controlling the temperature of the air circulating in your car, or if you can’t stop it from shooting out full blast, there’s a good chance that you have a problem with your actuator. Actuator is basically another word for motor.
How can I tell if my blend door actuator is bad?
To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way. You will be able to feel the air change temperature or vent level. Compare the bad actuator to the new unit.
How does an air blend door actuator work?
An air blend door actuator is constructed from a plastic housing, a small electric motor and a plastic gear set. A door position sensor is also incorporate into the unit to send feed back information to the climate control computer.
How do you replace an automotive blend actuator?
Once all screws are in place firmly push the wiring harness connector back into the actuator. You should hear a click signaling the correct installing of the connector. After the installation is complete double check your work and reinstall the plastic cover.
Where is the blend door in a car?
It’s a small, inexpensive part, but it’s buried in the heater box and the dealer repair requires removing your steering column, your dash panel, disconnecting your AC system and radiator in order to remove the heater box, only to replace the blend door with the same weak, poorly-designed part that failed in the first place.
What are the symptoms of a blend door failure?
The symptoms of blend door failure are an inability to control the temperature of the air flowing through the system. A broken door will generally fall into the down position, blocking the core and having no heat in the system. The box is designed for either single or dual control of temperature on the passenger and driver’s sides.
What does a blend door do on a ram?
Blend Door. The blend door’s function is to divert some, or all, of the air flow through the heater core. The RAM uses an odd, complex method with two blend doors. The heater core is on a horizontal plane and two doors are sandwiched on the top and bottom of the core.
What should I do if my blend door fails?
The standard fix for the blend door failure is to remove the heater box and replace the plastic door. If the instructions with other fixes start out with “remove the heater box”, be ready for considerable work.
What should I do about my Jeep Cherokee blend door?
This is a kit to do a complete repair on the blend door malfunction that is common to the 97- 01 Jeep Cherokee. Every Cherokee in this range either has, or will have, this common failure. The pictures show the hardware provided for the fix.
What to do if your blend door blower is stuck?
If the door is stuck the heater plenum with need to be removed and the problem resolved before installing the new unit. To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way.
How does the blend door work on a Jeep Grand Cherokee?
That gear needs to rotate counter clockwise about a quarter turn to open the blend door. But you can’t rotate the gear that far without it hitting the top housing. Also that would not mesh correctly then with the bottom gear.
Why is my Jeep Grand Cherokee not working?
Blend door actuator plays a role in controlling the air flow and temperature inside your Grand Cherokee. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator.
How to remove the blend door actuator on a jeep?
Remove the lower portion of the heater duct. You can now visually inspect the blend door actuator up against the center console, attached to the blend box, but the screws will seem impossible to remove! To get to those screws, you must remove the upper portion of the heater duct. It’s made as a clam shell so it comes apart in two pieces.
How to calibrate the blend door actuator motor?
Blend Door Actuator Motor Calibration 1 15 in the fuse box next to the battery. 2 Remove the fuse and wait 1-2 minutes for any capacitive charges in the system to dissipate. 3 Replace the fuse. 4 Turn the ignition key to the on position. You can now watch the motors move as the system goes through the calibration routine.
Where is the fuse on a blend door actuator?
Open hood (bonnet for the RHD guys) and locate fuse #15 in the fuse box next to the battery. Remove the fuse and wait 1-2 minutes for any capacitive charges in the system to dissipate. Replace the fuse. Turn the ignition key to the on position. You can now watch the motors move as the system goes through the calibration routine.
That gear needs to rotate counter clockwise about a quarter turn to open the blend door. But you can’t rotate the gear that far without it hitting the top housing. Also that would not mesh correctly then with the bottom gear.
If the door is stuck the heater plenum with need to be removed and the problem resolved before installing the new unit. To test the blend door operation and too double check that you are changing the correct actuator motor turn the blower motor on and work the door in each way.
How to replace an automotive blend door actuator?
Before installing the new actuator it’s a good idea to manually turn the blend door in both directions to ensure it is not stuck which will cause the new actuator to fail. Grasp the door pivot and move it back and forth to its full travel, it should move freely.
Where can I find a replacement actuator for my car?
These repairs can take a little longer because more parts need to be removed to gain access to the actuator. You can use a repair resource such as Mitchell1, a paper manual found on Amazon or a resource like Google images to locate the particular area in which the actuator needs to be replacement.