How do you tell if the blower motor is bad or the resistor?
How do you tell if the blower motor is bad or the resistor?
Symptoms of a bad heater blower motor resistor
- Fan does not work at all, so no air comes out of the vents.
- Fan only works on some speeds and not others.
- Fan only works on the highest speed.
- Fan runs all the time and can’t be controlled with the fan switch.
- You see smoke coming out of the vents.
How much does it cost to replace a blower motor?
Replacing a blower motor costs $450 on average with a typical range of $250 to $800. With a warranty, you might pay as little as $150 for labor alone. For high-end models, like those with large motors or access issues, you might pay as much as $2,000.
Why is my blower motor making noise in my car?
Loud noises you hear when your car’s heater or air conditioner are on typically indicate a blower motor issue. The good news is that a blower motor problem like this can be the result of something as simple to fix as debris or trash that got caught in it.
How do I test a blower motor resistor?
Place one lead of the Ohmmeter on terminal 1 of the resistor. Place the other lead on terminal 2 and check against specifications. If this circuit is open, showing infinity on the Ohmmeter, the blower resistor must be replaced. Move the lead from terminal 2 to terminal 3 and check this reading against specifications.
How much is a blower motor for a Nissan Sentra?
Nissan Sentra Blower Motor Replacement Cost Estimate. Labor costs are estimated between $118 and $148 while parts are priced at $215. This range is based on the number and age of Nissan Sentra’s on the road.
What happens when blower motor resistor goes bad?
If the resistor shorts or fails, it may cause the blower motor to remain stuck on one fan speed. The heating and air conditioning systems may still function at one speed, however the resistor will have to be replaced in order for full functionality to be restored.
How long does a blower motor last?
10 to 20 years
The blower motor in your home or office should last anywhere from 10 to 20 years. Modern sealed bearings and sealed bushings can push the lifespan to its maximum of 20 years.
How long does it take to replace a blower motor?
Blower Motor Installation Cost An HVAC technician runs $75 to $125 per hour. It typically takes 1.5 to 2.5 hours to do the job, including inspection, diagnosis, removal, installation and final testing.