What Is That Fan Belt Noise?

You may have a squeaky fan belt if, when you start your automobile, the sound of your engine is replaced by a loud shriek.

Fan belts should operate quietly and without interruption, so if you hear them grumbling, there may be a problem. Let’s examine what fan belts do and why it’s crucial to ensure that the belt in your automobile is in good functioning condition.

Obtrusive fan belt? What that might imply

Although fan belts are designed to resist heavy use, their rubber outer layer causes them to expand over time.
There are a few symptoms to look out for before your fan belt breaks

Fan belt squeaking:
A misaligned belt and pulley will make a squeaking or chirping sound. To silence the noise, you must loosen and realign it.

Squeaking of the fan belt:
Your belt is probably slipping if it is screeching. It is best to replace the rubber because this occurs as the material ages or loses tension.

Inconsistent headlights:
If you also notice that your headlights are flickering, it may be because the alternator isn’t getting consistent power from the slipping fan belt, which could create power fluctuations.

Cracks:
The average fan belt lasts for around 4 years before beginning to exhibit signs of wear. Examine the belt physically to check for fractures or fraying at the edges.

Eventually, your fan belt will break if you wait too long. The news is not good for your car.

What noise does a broken fan belt make?

Broken fan belts will have come off of your car and won’t have made a sound when they first failed. Your power steering belt may have snapped if you hear a loud, sudden noise and notice a difference in how you can drive, such heavy steering.

Making a straight edge on the belt between the pulleys will allow you to quickly determine if it’s just a loose fan belt if that’s what you think it is. Measure the distance between the belt’s lowest point and the straight edge by pressing down on the centre of the belt as far as you can. If it’s loose, you can compare this to your owner’s manual to determine whether it needs to be tightened.

You can do this yourself, but it can be a little challenging to get it perfect, and using a service is simple. Too loose and the issue still exists; too tight and the potential of stressing the bearings and snapping the belt exists.

A fan belt is what?

It’s likely that your older vehicle has a fan belt. Older cars feature a specific belt for each accessory, as opposed to more contemporary cars, which often have a single belt to power all the accessories.

The radiator fan in the engine and/or other ancillary components are driven by the fan belt, which is a thin rubber belt with internal steel reinforcing. It uses a pulley to connect the fan to the crankshaft, causing the fan to turn along with the crankshaft. The alternator is frequently connected to the belt as well.

Prior to 1990, when radiator fans were mechanically rather than electrically powered, this configuration was employed in automobiles. There were additional belts that operated independently and powered additional gadgets. Radiator fans are now powered by an electric motor in a shroud assembly that is directly mounted to the radiator. Modern cars employ what is known as a “serpentine belt,” a lengthy belt that runs all the accessories at once. Some people interchange these terms, however there is a clear distinction between the two.

What serves as a fan belt?

To prevent overheating, the radiator fan is kept rotating by the fan belt. Even though this is only one component of the cooling system, it is crucial that it is in good functioning order in order to prevent overheating in your vehicle. A noisy fan belt is bothersome, but it’s nothing compared to a hot car idling by the side of the road with a hefty repair cost on top of it!

Want to swap out the fan belt?

Fan belt maintenance or replacement is often a fairly rapid fix that takes less than 30 minutes. To ensure everything is operating as it should, your Tserv mechanics will check your pulleys and bearings simultaneously.

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