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i am about to trobleshoot and fix mine ... i have the same problem i will answer further when it is fixed although i would check the blower moter resister first
I just had that same problem..I took it in to have it fixed and they replaced the blower motor resistor and that seems to have fixed the problem
it's a problem with the blower motor resistor
This likely is a problem with the blower motor module that is within the blower motor unit
The following can cause this problem.................. 1. Bad blower motor. 2. Bad blower motor wheel. 3. Trash in the blower housing...
Start by checking the Audi's blower motor fuse. Check the blower switch, resister, and lastly, check the motor to find the problem.
it's a problem with the blower motor resistor,
Check to see if you are getting power to the blower motor - if so motor is defective if not problem in circuitry to blower motor
Is it the blower motor or is it the fans in the front?if its the fans they will come on at anytime to help cool engine down better.If its the blower motor for the interior heat and air you got a electrical problem. Is it the blower motor or is it the fans in the front?if its the fans they will come on at anytime to help cool engine down better.If its the blower motor for the interior heat and air you got a electrical problem. If it is the blower motor for your heater then it is definatly you blower resistor
AnswerIf none of the speeds work check fuses and the power at the blower motor. Since blower motors work most of the time, the blower motors do burn out. If it works on high speed only, then the blower resistor behind the glove box is possibly bad. MarkCheck the ground to the motor. Best thing to do is ground the motor and see if it works. I have seen this problem before and putting a different ground on it fixed it.
If you have checked the blower motor and it does function when power is applied then I would suspect the Blower Motor Resistor Pack is defective. It is also possible the blower motor speed control is bad, but highly unlikely.
The blower is common to hot and cold air. If it is only cold air that is a problem, then the problem is not the blower motor. The blower motor is actually in the engine compartment, passenger side at the firewall.