Quick Answer: How Do You Know If Your Fan Belt Is Broken?

When should a fan belt be replaced?

A belt should easily last three or four years, if adjusted to the proper tension.

It’s a good idea to have all of the belts replaced routinely every 30,000 to 40,000 miles when you have the engine tuned up.

And you should also carry a spare fan belt in the trunk..

How do you know if you need a new serpentine belt?

An unfamiliar noise or screech from the engine compartment is just one indication that your belt could be frayed, split, or worn out. Our technicians visually inspect your serpentine belt for fraying, splitting, glazing (the working edge of the belt becomes shiny from age and wear), or any other damage.

How do you diagnose a squealing belt?

One method to determine if the noise is a chirp or squeal is to use a water squirt bottle and spray the rib side of the belt while the vehicle is running. If the noise gets louder, it’s a squeal. If the noise goes away, it’s a chirp.

What are the 2 belts in a car?

There are two belts you need to be familiar with when talking about car maintenance — the serpentine belt and the timing belt.

Can I replace serpentine belt myself?

Serpentine belt replacement is easy because today’s automatic drive belt tensioners eliminate the need to loosen bolts or pry components into position for retensioning. Just rotate the tensioner, remove the old belt and install a new one.

What happens if my fan belt breaks?

The serpentine belt is also known as an alternator belt, fan belt, or accessory drive belt. A broken serpentine belt may stop the water pump from circulating coolant through the cooling system, causing the engine can overheat. …

Why does my fan belt squeal when I start my car?

Belt Slippage Cold and dew can affect the shape and grip of a serpentine belt. So if you start your vehicle and it squeals for a little while and then stops, this is your issue. This is more likely to occur in older belts, so replacing the belt is the easiest way to go about fixing it.

Is fan belt same as timing belt?

The fan belt is used to transfer rotational power from one place to another in the engine. It works in a very similar way to the timing belt; the only real difference is that it connects a different set of rotating shafts together.

Is it safe to drive with a squeaky fan belt?

That’s why it’s recommended that the serpentine belt is replaced early when the squealing symptoms are first noticed. Although it may be safe to drive with the squealing for a few days or weeks, the belt will eventually need to be replaced, and for safety, the earlier it’s repaired, the better.

How much does a timing belt cost?

A typical timing belt will only cost between $25 and $50, but the repair takes at least a few hours. The labor cost to replace a timing belt can range from $200 – $900.

What causes a serpentine belt to break?

The most serious failure is when the serpentine belt breaks completely. This is usually the result of a belt in poor condition, or a problem with one of the accessory components being driven by the belt. A failed bearing in a pulley being driven by the serpentine belt will also cause the belt to break.

What are the safety precautions when replacing the drive belt?

The following precautions will make belt drive inspection and maintenance easier and safer . Wear Proper Clothing Never wear loose or bulky clothes, such as neckties, exposed shirttails, loose sleeves or loose lab coats around belt drives . Remove jewelry and tie up or restrain long hair .