What are the symptoms of bad blend door actuator Silverado?
Another symptom is when you keep hearing a repetitive noise behind the glove box where the HVAC is located. This noise will occur when you change the settings in your air conditioner or you start your car. The noise might sound like knocking or clanking.
Is there a problem with my Blender actuator?
Knocking: This is an unusual symptom, but if you’re experiencing this, it’s almost definitely a problem with your blender actuator. 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.
How to identify a blend door actuator in a car?
Place the heater hose on the engine outlet after taking the heater return hose off of the engine. What this means is that the hot coolant is creating a circle and not going thru the heater core. Finish the process by driving off the car.
Why is my Blend door actuator making a ticking noise?
First, the electric motor is burnt which makes it difficult for the unit to respond when the temperature control is moved. The second one is that the gear becomes hard and breaks easily. The unit makes a constant ticking noise while working. These are the two most common problems with the blend door actuator.
What causes a blend door actuator to fail?
If you cannot move the blend door an obstruction has gotten in the way of the door movement which will make the new actuator fail. These obstructions can include: pen, tooth pick, small toy or bubble gum to name a few. If the door is stuck the heater plenum with need to be removed and the problem resolved before installing the new unit.
What kind of motor does a blend actuator use?
It is usually powered using a vacuum or a small motor which is mouthed with the assembly (heat and air). A blend actuator has an electronic motor that turns a plastic gear set in different directions. Then at the final drive of the unit, it is connected to an air control pivot door.
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.
What kind of socket do you need for blend door actuator?
You will require a tool set that comes with a 5.5 mm socket for Cadillac, Lincoln, GMC, Ford and Chevy cars. More: Ford Mustang Insurance Cost – Overview. What Causes a bad blend door actuator?
It is usually powered using a vacuum or a small motor which is mouthed with the assembly (heat and air). A blend actuator has an electronic motor that turns a plastic gear set in different directions. Then at the final drive of the unit, it is connected to an air control pivot door.
Where is the actuator located on a Chevy Silverado?
The actuator is located behind the airbag assembly, so it has to come out. This is extremely dangerous, and the air bag need to be handle delicately to avoid any accidental deployments. If you haven’t already, take the time to make sure the vehicle’s battery is not connected. Disable the airbag.
Another symptom is when you keep hearing a repetitive noise behind the glove box where the HVAC is located. This noise will occur when you change the settings in your air conditioner or you start your car. The noise might sound like knocking or clanking.
Why is my Chevy Silverado not going 4WD?
If your truck is driving perfectly fine but switching into 4WD doesn’t engage the front wheels, you might have a bad axle actuator. Replacing the actuator is pretty easy and inexpensive.
Do you need to replace blend door actuator?
A stuck blend door actuator can have you melting in the heat or freezing in the cold. Replacing those faulty units is unfortunately a tedious process, requiring removal of the entire dash, as explained here. This article applies to the Chevrolet Silverado 1500 (1996-2006). The heater blend doors act as a gateway to the vehicle’s ventilation system.