Common questions

Can you manually turn a blend air door?

Can you manually turn a blend air door?

You would have to remove the motor assembly to be able to manually move the blend-air door. How do I tell? I have two dials. Dial one is for selecting vent, AC or heat. The second dial is to switch from cold to heat.

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.

Why is there no air coming out of the vents?

If this filter becomes clogged due to lack maintenance it will stop or slow the flow of air exiting the vents. To check this filter locate the filter housing which can be either under the dash on the passenger side or under the hood of the car, near the base of the windshield on the passenger side, remove the cabin air filter and inspect.

What’s the problem with the blend door vents?

The problem was the drain tube would come loose from the firewall and allow the ac condensation to drain into the passenger floor; the dealer had to remove the old drain tube, replace it with a new version, and seal the area with some type of sealant to hold it in place. The TSB.. NUMBER: 23-010-04 REV. A

You would have to remove the motor assembly to be able to manually move the blend-air door. How do I tell? I have two dials. Dial one is for selecting vent, AC or heat. The second dial is to switch from cold to heat.

How to troubleshoot and repair vents low air flow?

Easy step by step guide one how to troubleshoot and repair vent low air flow, this article pertains to most vehicles. Step 1 – Most air control vents are equipped with a flow control door that is located at the vent outlet. This door is controlled by a thumb wheel that when activated will open and close the vent air flow door.

How do I stop no air from dashboard vents?

This door is controlled by a thumb wheel that when activated will open and close the vent air flow door. Work the thumb wheel from one side to the other while checking the airflow. The flow should stop and start again, if the thumb wheel does not make a difference the problem is somewhere else.

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.

Where is the disengage Panel on a blend door?

Disengage console panel from RH side of center console finish panel if equipped. Working from under the passenger side of the instrument panel, remove A/C electronic blend door actuator electrical connector from A/C electronic blend door actuator.

What does the blend door do on a Dodge Ram?

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.

How to turn a blend door on and off?

Insert actuator shaft into A/C air temperature control door and secure A/C electronic blend door actuator to A/C evaporator housing with four retaining screws. Install electrical connector to bracket on A/C electronic blend door actuator. Install instrument panel insulator and console panel if equipped. Connect battery ground cable.

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.

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.

Why do I not get heat from my Blend door?

Been through a few threads on shortage of heat. What I have determined is it has something to do with the blend door, reason being, I get heat on the floor, but not as hot as I feel it should be.

Why does my Jeep Wrangler have a heat blend door?

If I set the the controls for floor / defrost and full heat I get hot air on feet and windshield, if I turn the heat knob back to half way in the red, I get warm air on the windshield and cold on the floor. So my question; What am I looking at replacing?

How can I tell if my blend door is a problem?

To be confident that the blend door unit is the problem, then you will have to get your hands dirty. Remove the heater hose off of the heater core from under the hood. Place the heater hose on the engine outlet after taking the heater return hose off of the engine.

Author Image
Ruth Doyle