When I turn on my heat no air comes out of the vents. Absolutely nothing comes out of the vents.
- Test ALL the fan speeds
- If nothing comes on check your fuses.
- If fuses are fine, replace blower motor + resistor pack
Does air come out when you switch the knob to cold air? Your title says no heat, but then you wrote you have no air. Which is it? does are two different symptoms. If you have no heat but have air check your coolant level. Then answer my first question and we can go from there.
There is nothing coming out of the vent.
Being specific is important when diagnosing cars on an online forum. I’m going to assume by “nothing” you mean no air is coming out of the vents. If you have no air, try turning your fan speed to the lowest and then work your way all the way to the highest setting while checking if air comes out. If you get air only working on one setting, usually high or low it will indicate you have a bad blower motor resistor. If you get no air coming out in any speed. I will supply power and ground to the blower motor directly by disconnecting the connector, it should only be a two pin connector right under or the side of the blower motor. Supply power and ground to those pins, doesn’t matter which pin you put power and ground, if the blower motor turn on then your issues is elsewhere, could be a relay, fuse or even your hvac module.