Skip the auto shop - Our mechanics make house calls

Q: Ac not blowing out of vents turns on but doesn't come out

asked by on

I don't hear anything when I turn it on or smell anything . I can hear it click on when I press the power button but nothing comes out no matter the temperature or level the ac or heater is on. Unless I get on the hwy if I turn it on it'll blow very cold air for about 45 sec and stop. Ive tried doing that repeatedly and it does the same thing over and over blows very cold and turns off . Any other time I can have the ac on and nothing blows out of the vents at all
My car has an automatic transmission.

Hi! It is sounding like you may have a bad blower motor control module. It is located under the dash next to the blower motor. A technician can test it with a volt meter to verify its proper operation. I’d also suggest inspecting/replacing the cabin air filter while you’re down there, as it can restrict air flow out of the vents.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: My AC compressor locked up and my steering wheel belt snapped and my car begin to overheat. What is the cause?

Either the air conditioning compressor or clutch has failed. Most of the time the clutch fails and locks to the compressor housing causing the compressor to not turn. If the air conditioning was off when the belt seized, then the...

Q: Quit going down road

You should have the ignition switch checked to see if the connector and switch may be not making contact. The switch should be verified to be bad through a test for starter engagement signal from switch. Replace switch if no...

Q: 2014 Ford Focus Blower Resistor Location

If you have Electronic Manual Temperature Control (EMTC), the blower motor resistor block is accessed by removing the accelerator pedal. Once the pedal is removed you will see the wiring harness to the block and the single retaining screw that...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.