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blend door

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Question
2012 GMC Sierra 2500HD No Blend Door Working
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...
Question
AC blows hot air driver side & cold on the passengers side
On vehicles with this type of concern, it is usually caused by a malfunctioning blend door or blend door motor inside of the air conditioning system. I'd suggest getting some help from an experienced technician who's capable of disassembling the...
Question
The car is burning oil significantly
Hello. Thanks for writing in about your 2004 BMW 330xi. Unfortunately, this is very common for a vehicle to burn more oil as the engine ages. One thing you can do to combat the oil consumption is to use high...
Question
I have no heat no matter how I adjust the knobs
Hello. From what you describe it may be possible that the blend door actuators have failed. If it appears that they may have both failed at the same time, I would first check all of the vehicle's fuses or relays...
Question
A/C
Based on the information you provided, it sounds like you have a temperature blend door that is not operating. It could be the actuator or the blend door itself. If you would like to have this verified, have a qualified...
Question
can a heater core prevent, air conditioning, from blowing cold?
The heater core will not cause the A/C to not blow cold. If your A/C is working properly with the correct amount of refrigerant, then you may have a temperature blend door not working and staying on heat mode. If...
Question
A.c. not turning on at all
The blower control blend door actuator on the evaporator case may be bad. Have the blend door actuator removed to see if the blend door can be turned by hand. Sometimes, the actuator breaks and other times, the blend door...
Question
Blend door
No. The blend door actuator changes air to flow over the heater core or the evaporator and in between. If the actuator is stuck in one position toward heat, then you may not get heat but only fresh air moving...
Question
Air blend door problem
Air will constantly flow through the defrost vents regardless of the mode setting chosen on your Dodge Nitro. There are four different blend doors on your Nitro and they all direct air in different ways. Three of them are a...
Question
AC question - 2003 Chevrolet Tahoe
You may have a bad temperature blend door actuator for the left side vents. You should also have the complete system checked to make sure you are not low on refrigerant since the left side will be warmer than the...
Question
When I switch from heat to AC, the heat still blows?
Hi, thanks for writing in. If your heat is still blowing when the air conditioning is turned on and the compressor is working, then it is likely that the blend door actuator has failed. The blend door actuator is responsible...
Question
AC line cold, no AC blowing in car; heat blows really hot, only all lines have been replaced and fuse checked good
Hello. It is possible that your blend door actuator has failed. This is the part that controls your blend door. The blend door is responsible for blocking off the heater core when your A/C is on to prevent the hot...
Question
AC blows hot in the front, cold in the rear
Hello. It sounds like the blend door actuator is failing. This door is responsible for blocking off air flow to the heater core when the air conditioning is on. I would recommend having the blend door actuator tested using the...
Question
Problems with the Driver's Side Blend Door Actuator
Turning the actuator to full cold will not find the problem since the actuator internal sensor is bad and cannot control the motor and then will default all the way to heat. You can replace the actuator and run the...
Question
resetting blend air actuator
The a/c door actuators do not need programming. I think what happened is the door was in the incorrect position when you put in the actuator. What you need to do is remove the actuator and leave the actuator electrical...
Question
My blend door isnt working.
The next thing to do is to check all the power and ground circuits. Looking at a manual temperature controlled Taurus, the switch is a part of an integrated temperature control module. Inside this module is a temperature control potentiometer....
Question
Interior driver's side door latch is broken
Hello, thanks for writing in. In order to give you a proper information you will need to supply the vehicle year, make, and model to us. Otherwise we cannot give you a procedure or quote. Feel free to resubmit another...
Question
My actuator works backwards
Hello. We will need to observe several other factors in order to pinpoint what the issue is. When you say you are turning on the vents, what setting are you turning on when this happens? Is it all temperature settings...
Question
My oil light does not come on when the oil is low, and the heater only blows hot air for a short time.
When the oil pressure drops lower than 8 psi, then the oil light will come on. If the oil pressure drops and there is no light, then check the oil pressure sensor harness for power. If there is power, then...
Question
A/c stopped working
Hello there, many faults will cause your 2000 Chevrolet Impala to have no air blowing from the vents and the air conditioning not function. When no air comes from the vents at all under any settings the problem is likely...

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