Where are the blend doors on a car?
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 up under the dash but reachable from the cabin without removing much more than the black noise panel.
Why are the blend doors on my Grand Cherokee cracking?
If you turn the knob for hot air, they move up. If you turn the knob for cool air, they move down. them to fall down in the cold air position. This causes the loss of temperature control – mainly the loss of heat. The OEM factory made blend doors are cheap and prone to cracking. The little drive motors used to move them up and
Where is the blend door motor located on a jeep?
There is no electronic diagnosis available for your Jeep®. Physically check the operation of the blend doors by removing the glove box. Remove the blend door motor which is located to the side of the opening. The motor is held in place with two Phillips screws.
Where is the blend door in a car?
A blend door is located in the vehicle’s heating and air conditioning system. It is responsible for diverting warm or cool air in different stages in order to keep passengers pleasant in the vehicle.
Can a blend door fail on both sides?
In a dual zone setup, one blend door actuator can fail while the other side works just fine. In that case you may have heat on the driver’s side but cold air on the passenger side. Some heating systems are set up to have a default “fail” position –either full cold or full hot.
Where is the blend door on a 98 Blazer?
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. We were able to get the one in our 98 Blazer out by dropping open the glovebox and using some small tools.
Why is my GM blend door not working?
When this part fails drivers complain they can’t control the temperature the way they use to. They often describe correct operation as intermittent. Owners with dual zone systems often say the passenger side doesn’t respond or becomes stuck in the cold or hot position.