How do I know if my blower motor control module is bad?

Here are some of the warning signs of a bad heater blower motor resistor:

1. Fan does not work at all, so no air comes out of the vents.
2. Fan only works on some speeds and not others.
3. Fan only works on the highest speed.
4. Fan runs all the time and can’t be controlled with the fan switch.
5. You see smoke coming out of the vents.

Why is my AC fan not turning off in my car?

The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. Double-check the thermostat and make sure the fan is not set to ON, and that it still runs when switching it to AUTO or OFF (if your thermostat has an OFF setting).

Where is the blower motor resistor on a 2003 Chevy Impala?

Also Know, where is the blower motor resistor? It’s located inside the dash, often on the opposite side of the steering wheel or inside the engine compartment on the firewall. A blower motor resistor or a blower motor control module is the part that controls the speed of the blower motor.

What causes AC fan to keep running?

AC Unit Is Too Small Or Unable To Match Settings A too-small HVAC system will often run to keep up with the thermostat setting, leading the fan and blower to run consistently. Additionally, if your area is facing extreme temperatures, your HVAC unit may not reach the desired temperature.

How long should fan run after AC turns off?

Your HVAC fan should turn on and off with the rest of your heating and cooling system. It’s normal for the fan to kick on a couple of minutes before heating starts or to stay on for a couple of minutes after cooling stops, but your fan shouldn’t run for hours on its own.

Is there a problem with my Chev Impala?

I have replaced two last year on 2011 Chev Impala, 2011 model and another one this year. The repairman told me this is an issue with this model and he changes them a lot. I asked if it will happen again and he said, yes, probably so! 35 people found this helpful. Trying to fix mine in my Monte Carlo. Just what exactly do I need to find ? Thanxs

Where is the blower on a Chevy Silverado?

The first step is to lower the passenger side hush panel under the dash. There are three screws with 7 mm head on them. The one over the transmission hump is slightly difficult to remove and can be a SOB to install.

Can a Chevy Impala make a clicking noise?

Yes, and when the car is off it still clicks for a few minutes. How much did they charge? 160 people found this helpful.

What is the part number on my 2011 Impala?

My 2011 Impala LT has made me replace 3 of them. The part number is 604-108 from DORMAN or ACDelco 15-74122 GM Original Equipment HVAC Door Actuator. The failure is caused due to a plastic gear that loses teeth and get stuck at the missing tooth causing the tapping.