Car Fan Making Noise | Causes and Fixing Procedures

Vehicle security is essential for you and other drivers. Any noise your car makes can signify that your vehicle isn't currently safe to drive. Many of the noise don't represent a direct safety concern; however, the outcome could be the vehicle unexpectedly stalling. Always be fully aware of your surroundings while driving your car.

Is your car fan making noise, particularly when you turn your car up? There can be different reasons behind the problem, but the most common is the blower motor issue. One can quickly get rid of this issue by using the right solution. Check the guide below for a detailed understanding.

Car fan making noise - Causes

Many things can cause noise while accelerating. We'll begin with the clearer ones. The first reason is belt noise. This often appears as a squealing or squeaking noise. This noise most frequently happens when you first begin to accelerate and sometimes while turning. Belt noise can mean the belt is worn or free.

Other causes of car cooling fan noise include worn bearings, unbalanced rotating assemblies, and broken or bent blades. Fortunately, switching out a damaged fan for a new one is not huge. If your car fan is too loud, then the first thing you need to check is that your car's recirculation button is not "on."

For those new to driving, the recirculation button is used to close off the intake temporarily. It is used when someone drives a car through a smoky area or gets stuck behind a diesel motor vehicle ejecting contaminants into the air around your vehicle. For getting better engine performance, your vehicle need good quality radiators to keep engine temperature at optimum level.

Radiator fan loud when AC gets on

If you turn your car's air conditioner on and hear some rattling noise, it may mean you have a bad or failing AC compressor. Any rattling or humming noises from your car's air conditioner as you accelerate signify that you need to replace your AC compressor.

The coolant temperature of the car's engine gets high, which affects the vehicle's performance with regards to fuel economy, acceleration, power, and more if not checked often. The AC condenser takes in heat from the neighboring air as it passes through it. All this keeps your vehicle cabin at a comfortable temperature.

If your vehicle cooling system seems to be running more robust than usual with AC on, this might signify that your vehicle needs service or something isn't right about your vehicle's A/C system.

Why is my car fan creating noise when accelerating?

One possible reason your vehicle's Dorman cooling fan is louder than it should be is that the car is making excessive noise when you accelerate. When the engine fires up, the air pressure in the framework also rises, making the fan spin faster and make more sound.

If your car makes excessive noise when accelerating, take it for a test drive and check things properly. Another possibility is that something is off about your vehicle's cooling system. A clogged or broken radiator hose, for instance, could keep the car from cooling down appropriately. However, insufficient coolant circling through the radiator might make your vehicle overheat while driving fast or under severe load conditions.

How to fix car fan noise?

Whether it's to upgrade driver comfort or comply with mounting emissions regulations, lessening fan noise has become one of the primary considerations while designing engines for trucks, mining equipment, construction machinery, generators, agricultural tractors, and more. One can quickly fix the car fan noise by following the three ways.

Use one size bigger fan

A fan can be the most significant source of engine noise in an application. The quicker it's turned, the louder it is. So, assuming there's room for a bigger fan, install it as it provides more airflow.

Select a fan that does not make noise

This is where the different customization choices for engine cooling fans can be helpful. By tweaking variables, such as material, cutting edge count, diameter, and a blade shape, engineers can control how much airflow goes through the engine. The proper equilibrium of cooling guarantees under-hood components stay protected from temperature swings - all while removing excessive noise.

Pair a car fan with a variable speed drive

Utilizing the most recent engine cooling technology, variable-speed drive conveys cooling when required and just as much as needed.

The pulse-width modulation signal got through the inputs from the car engine's ECU. This sign activates an internal valve, controlling the grip and permitting more precise cooling for frameworks like the hydraulic oil circuit, cooling unit, and, obviously, the engine coolant.

As soon as the cooling is optimized, the car fan doesn't twirl any faster than required and operates only at the top when necessary, resulting in lesser decibel levels.

FAQ’s

How do I stop my car fan from making noise?

One can solve the noise of their car fan by using the proper technique, i.e., selecting a fan that does not make noise, using a bigger fan, or pairing a fan with a variable speed drive.

Why does my blower fan make noise?

Broken blades, uneven rotating assemblies, and worn bearings of a car can cause excessive fan noise.

Can I drive my car if the fan is not working?

Yes, it is possible to drive your vehicle without a loud radiator fan; however, avoid doing it. Your car's cooling arrangement is vital to its performance, and each time your car's radiator overheats, it can cause damage to your engine.

How much does it cost to fix a blower motor?

It usually costs around $450 on average. In case of a warranty, you need to pay as little as $150 for labor only. However, keep this note that the price is higher for high-end models.

How much is a fan motor for a car?

A new fan motor for a car is about $50 to $100 for the part and around $80 to $100 in labor. This means the entire job can cost around $130 to $200.

Conclusion

There are different reasons behind a car fan making noise. It includes damaged bearings, wrecked blades, unbalanced turning assemblies, etc. However, switching out a damaged fan for a new one isn't a complex problem. One can easily do this by using the right set of techniques. This article contains a complete guide about fixing car’s engine fan noise. Check it for in-depth knowledge and understanding.