When does my AC blower motor come on?
When it does come on, usually after about 20 minutes of drive time, it blows great. At times it will come on as soon as I crank engine, at times it will not come on at all.
How is the speed of the blower motor controlled?
The electronic module that controls the speed of the blower motor is called a blower motor control module. In some cars, the blower motor has only 4 or 5 fixed speeds. In this case, the speed of the blower motor is controlled by a blower motor resistor.
What are the symptoms of a failed blower motor resistor?
Blower motor resistor problems. Problems with a blower motor resistor are common in many cars. The most common symptom of a failed blower motor resistor is when the heater fan only runs at high speed and doesn’t work at low speeds.
Why does my heater fan only blow at certain speeds?
Fan only blows at certain speeds. If the blower motor fails to push air at any of it’s designed settings then it may be faulty. This can also be caused by a failed blower motor resistor or switch, so having the vehicle properly diagnosed is highly recommended.
What does it mean if your blower motor is not working?
Average rating from 849 customers who received a AC is not working Inspection. The blower motor resistor is an electrical component that is a part of the vehicle’s heating and air conditioning system. It is responsible for controlling the blower motor’s fan speed.
What does a blower motor do in an air conditioner?
What Is a Blower Motor? The blower motor is a component in your HVAC system that blows the conditioned air through the vents in your home. It takes the cool air created by your air-conditioner and circulates it throughout your indoor space to ensure that the temperature reaches the level dictated by the thermostat.
What does the blower motor resistor do in a car?
The blower motor resistor is an electrical component that is a part of the vehicle’s heating and air conditioning system. It is responsible for controlling the blower motor’s fan speed. When fan speed is changed via the knob on the instrument cluster, the blower motor resistor changes setting, which changes the speed of the blower motor.
What should air handler blower speed do AC unit need?
It is possible that your AC’s air handler blower is functioning at the improper speed, and to maximize its performance, you should make sure that is not the case. The first step is determining the current speed of your blower so that you can see if it matches the speed recommended for your model.
What should I do if my car blower won’t work?
The next time the blower motor doesn’t operate, reach under the passenger side dash and tap on the blower motor with the handle of a screwdriver. If the blower starts working the blower motor requires replacement. The car is a 2007 Corolla.
Why does my a / C front blower stop working?
No matter how many times (or position) the fan speed knob is moved, the front blower motor fails to respond. A/C system can be turned off and on multiple times, but the front blower fails to respond.
What are the symptoms of a worn out blower motor?
One of the symptoms of a worn out blower motor is that it can intermittently produce a loud screeching noise when running. How to test a blower motor? If the blower motor doesn’t work at all, the blower motor itself must be tested first. Typically it’s done by measuring the voltage at the blower motor connector when it’s turned on.
The next time the blower motor doesn’t operate, reach under the passenger side dash and tap on the blower motor with the handle of a screwdriver. If the blower starts working the blower motor requires replacement. The car is a 2007 Corolla.
No matter how many times (or position) the fan speed knob is moved, the front blower motor fails to respond. A/C system can be turned off and on multiple times, but the front blower fails to respond.
Where is the fan blower motor on my AC?
All fuses good all relays good. The fan blower for your ac/heater is located under the glovebox. Take your hand and smack the fan blower motor a few times. That’s all it took for for mine to start working again. It’s been working for over 6 month’s now!
Why does my car’s AC fan not come on?
If the blower starts working the blower motor requires replacement. The car is a 2007 Corolla. Bench testing the fan with a power source is a good strategy but this problem happens intermittently, so it can be tricky.
Is there a problem with my blower motor?
When the Blower Motor does work, it works great. Can’t seem to put a finger on this problem. Hopefully someone has the answer! Patiently sweating it out while waiting..
What should I do if my furnace blower motor is hot?
If the blower motor is hot I would see if you can spin the squirrel cage (blower wheel) freely. You should be able to spin the blower wheel and the wheel should continue to turn for a few seconds after you spin it.
What’s the problem with my heater blower motor?
Vent the car and then everthing was working. Not going to make a 2-2/2 drive to the dealer for them to look at it and say nothing is wrong. I think that is when the motor had its first failure. The blower motor has worked for a while but never at speed like when it was new, but has now given up the ghost.
When it does come on, usually after about 20 minutes of drive time, it blows great. At times it will come on as soon as I crank engine, at times it will not come on at all.
What to do if your blower motor gets stuck?
Blower motor gets stuck in a lat spot and will not turn. Once it’s gets going again it will be fine and work great. Will either replace it or, in the interim, will have to grease the shaft of the motor.
Is the heater blower on my Smart Car working?
The blower motor has worked for a while but never at speed like when it was new, but has now given up the ghost. Exploring options. My first break down on my car required the car be towed to the dealer ($900 their cost).
Is the Mercury Grand Marquis blower motor no longer working?
This 2002 Mercury Grand Marquis came in with a customer complaint of a blower motor that no longer worked. The customer also stated that up until this point it would work sometimes and sometimes not. This repair is also for Crown Victoria and Town Car applications.
How can I tell if my blower motor is faulty?
Check for 12 volt power on the brown/orange wire (supplied through fuse 18, 30 amp in the interior fuse box) with the ignition on. Now check for ground on the orange/red wire. If both are present the blower motor is faulty.
Where is the blower motor on a Honda Accord?
To test locate the blower motor at the passenger side firewall under the hood. It is just outside the left side of the picture below. Check for 12 volt power on the brown/orange wire (supplied through fuse 18, 30 amp in the interior fuse box) with the ignition on.
Why does my Ford blower fan not work?
Worked perfect for about 8 months. The third time in the shop, the mechanic wired the blower directly to the battery and it worked fine so he knew it wasn’t the blower motor. He checked electrical continuity through the dash and said it was okay. He thought there could be a loose ground wire along the main branch of wires???
Check for 12 volt power on the brown/orange wire (supplied through fuse 18, 30 amp in the interior fuse box) with the ignition on. Now check for ground on the orange/red wire. If both are present the blower motor is faulty.
This 2002 Mercury Grand Marquis came in with a customer complaint of a blower motor that no longer worked. The customer also stated that up until this point it would work sometimes and sometimes not. This repair is also for Crown Victoria and Town Car applications.
To test locate the blower motor at the passenger side firewall under the hood. It is just outside the left side of the picture below. Check for 12 volt power on the brown/orange wire (supplied through fuse 18, 30 amp in the interior fuse box) with the ignition on.