How much does it cost to replace a blower fan resistor?

Author: Llewellyn Balistreri  |  Last update: Tuesday, February 18, 2025

In general, the parts themselves usually cost between $20 and $100. Labor costs for installation range from $50 to $200, depending on the complexity of the installation and the mechanic's labor rate. Therefore, the total cost can range from $70 to $300.

How much does it cost to replace a blower resistor?

The average cost for a Blower Motor Resistor Replacement is between $119 and $154. Labor costs are estimated between $43 and $54 while parts are priced between $76 and $99. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.

How much does it cost to repair a blower resistor?

A heater blower fan resistor replacement generally costs between £70 and £130 with an average price of £90. Pricing will depend on your location, car and what parts your car's manufacturer recommends using for the replacement.

Can you drive with a bad blower motor resistor?

Cost of Repair: While it may not be urgent, it's advisable to get it repaired soon to avoid more extensive repairs down the line. In summary, while it is safe to drive with a failing blower motor resistor, addressing the issue promptly can help maintain comfort and prevent further complications.

How to tell if it's the blower motor or resistor?

Blower Motor Resistor Test

Typically, if the fan will work on some speeds but not on others, the resistor is suspect. Okay, let's say there's no melting going on, but your fan doesn't work on all speeds. Typically, if the fan will work on some speeds but not on others, the resistor is suspect.

4 Signs of a Bad Blower Motor Resistor. How to Test & Replacement Cost

Can you run a blower motor without a resistor?

The blower motor pushes air through the vents - the resistor controls the motor's speed. Sponsored by Standard. When the heat is on, your customer's HVAC system needs to be up to the task. The blower motor is like the heart of the HVAC system, pushing air through the vents to cool or heat the vehicle cabin.

What causes a blower motor resistor to go out?

Normal wear and tear: Like all mechanical and electrical components, blower motor resistors wear out over time. Repeated heating and cooling cycles and the mechanical stress associated with adjusting fan speeds can cause it to gradually degrade.

How do I know if my cooling fan resistor is bad?

What common symptoms indicate you may need to replace the Cooling Fan Resistor?
  1. Cooling fan never stops running even with the ignition off.
  2. Cooling fan never kicks in and engine temperature increases abnormally.

How much does it cost to replace a blower motor?

Replacing a furnace blower motor costs $560, on average. Depending on the size and type of motor, most people pay $300 to $900. The average blower motor replacement cost is $560, but the final price depends on labor fees, as well as the cost of the parts.

Do I need a new blower motor or resistor?

The most common symptom of a bad blower motor resistor is that you will only notice that your blower is working on the highest speed setting or that it won't work at all. The main symptoms of a bad blower motor resistor include: Only One Speed From Blower Motor. Various Airflow Settings Not Working.

How much does it cost to replace a blower motor resistor on a Ford f150?

The average cost for a Ford F-150 Blower Motor Resistor Replacement is between $87 and $114.

How much is a car resistor?

The price of car parts within the auto Heater resistor category ranges from £10 to £52, depending on the vehicle type, manufacturer, and product specifications.

Can a bad blower motor ruin a resistor?

Premature resistor failure can result from a failed blower motor.

What are signs of a bad cooling fan relay?

Here are the key symptoms to look out for:
  • Engine Overheating 🌡️: One of the most obvious signs is your engine running hot. ...
  • Cooling Fans Not Working ❌🌀: If you notice that your cooling fans aren't turning on at all, this is a strong indicator that the relay may be bad.

How do I know if my fan capacitor is bad?

Signs of a failing capacitor include a fan that won't start, runs slowly, or only works on certain speeds. In some cases, a bulging or leaking capacitor is a clear indicator that it's time for a replacement.

How long do blower resistors last?

The blower motor resistor is designed to last till the end of the car's lifespan. However, due to multiple reasons, they tend to get damaged before. If you have a faulty blower motor resistor in your vehicle, it's best to replace it immediately.

Why does my blower motor keep going out in my car?

The most common reason why your blower motor won't work on any speed is that you have a bad or blown a fuse. A fuse is a small wire inside of a connector that is used to protect the motor itself from a surge of electricity.

What does a blower resistor control?

Blower resistors are resistors which are used to control the fan speed of automotive blowers. The fan speed can be changed either by switching the blower resistor resistance mechanically using a rotating lever, or electronically by the air conditioning system.

Why do blower motor resistors fail?

If it is badly plugged up it will restrict airflow and cause overheating of the resistor. The usual failure mode of the resistor is the thermal fuse built into it will open. This could also be caused by bad bearings in the motor which will result in excess current and heat.

Is the blower motor and resistor the same thing?

The heater resistor is also known as the heater blower motor resistor or blower speed controller because it fundamentally controls the fan speed of the interior heater. In this TechASSIST guide we look at the types of resistors, causes and symptoms of failure and offer advice on diagnosing faults.

Can I drive my car with a bad blower motor?

Therefore, a faulty blower motor can easily disable a fully functioning HVAC system of a vehicle. This leads to unpleasant driving experiences and uncomfortable passengers. Therefore, get the blower motor checked by a professional technician at the earliest.

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