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Blower Motor

Frequently Asked Questions

The blower motor is a system that supplies air to the engine radiator. It is usually located at the base of the radiator. It consists of an electric motor and a fan. The motorized fan plays an important role in the proper operation of the air conditioning and engine cooling system: it cools the coolant. Its main function is to prevent the engine from overheating. It turns on automatically when the engine starts to warm up. The fan motor turns on when the thermo contact tells it that the coolant temperature is close to 90°C. It starts to run faster when the temperature approaches 100°C. The fan stops when the coolant temperature drops to 80°C.

Depending on vehicle type, product manufacturer and technical specifications, blower motor products range in price from $30 to $260.

There are several reasons why your car's fan may be making a lot of noise.

1. If the blades are bent or damaged, they will rub against the housing and make a loud noise.

2. If dirt or debris is blocking the airflow, the fan will have to work harder to move air through the system, resulting in a rattling noise when the fan is running.

3. Bearings help keep the blades spinning, but it's the bearings that allow the fan blades to rotate freely, and over time they can wear out.

4. The fan clutch controls the fan speed. If something goes wrong, the fan can spin too fast, making it very noisy.

5. If the bracket has any kind of defect or is worn, the fan motor may vibrate excessively, causing the fan blades to hit the radiator case, causing a lot of noise.

6. As the motor ages, it may begin to run less smoothly, resulting in noisy operation.

7. An imbalance causes the blower to wobble as it rotates, resulting in loud noises.

The cost to repair or replace a car's blower motor can vary widely depending on the make and model of your vehicle, the specific problem with the blower motor, and your location. Here are some average costs:

Blower Motor Repair: The cost to repair the motor assembly alone generally ranges from $100 upwards.

Blower Motor Replacement: The average cost of a blower motor replacement can range from $340 to $400. It can cost up to $300 for labor alone to replace a blower motor.

However, these are average costs and actual costs may vary.

The life of a blower motor can vary depending on many factors, including motor quality, operating conditions, maintenance practices and usage patterns. On average, a well-maintained radiator blower motor can last approximately 130,000 to 240,000 miles or more. It's important to note, however, that these figures are approximate and can vary widely. Some radiator blower motors may last much longer, while others may fail prematurely for a variety of reasons.

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