Throwing the belt can result in damage. If not at least a bigger bill than having the tensioner pulley adjusted to replace the belt. It depends what this belt operates, if it runs the water pump and the belt fails, the engine will rapidly overheat and the engine can suffer serious damage.

What happens if your fan belt is loose?

If there is not enough tension, a belt can slip, squeal or run hot. … Quick fact: If your serpentine belt is loose, you may have other mechanical problems like under-performing water pump, which can cause the engine to overheat. Avoid performance loss. Bring your ride in as soon as possible.

What will happen if you drive after the failure of fan belt?

A broken serpentine belt can lead to a sudden loss of power steering in your car, making your steering very difficult to turn. … A broken serpentine belt causes the water pump to stop circulating coolant through the engine’s cooling system, causing it to overheat.

How long can you drive with loose belt?

How long will my car run with a broken serpentine belt? There are a few variables involved in the answer, but it should be able to run between 20 to 90 minutes. If it is a hot summer day, your engine can overheat very quickly without the coolant being pumped through the radiator.

Can I drive with slipping fan belt?

It depends on what the belt drives. a squealing belt will not cause your crr to crash or explode, but… If it drives the power steering pump the slipping belt (that’s usually why they squeal) could cause the power steering to not function correctly.

How much is a fan belt for a car?

Of course, it depends on your make and model as well as labor costs, but in general a replacement serpentine belt costs around $70-$200 (plus taxes and fees), including around $50 for the belt and around $150 for the labor.

Is it safe to drive with a squeaky 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.

What would cause a belt to come off?

Belt coming off: Pulley misalignment, belt misalignment on pulley, defective tensioner, or bearing wear in tensioner, idler or driven accessories.

Can you drive on a tire with a broken belt?

You should NOT drive with a broken belt in your tire. Your tire(s) could potentially have a catastrophic failure such as a tire blowout, flat tire, or tire explosion.

Can a fan belt snap?

If there is only one, it is generally referred to as a serpentine belt. Although drive belts are designed to be durable, they may eventually wear and snap.

Article first time published on

What does a broken fan belt sound like?

Symptoms of a broken serpentine belt include loud slapping, squealing or knocking noises coming from under the hood. … This causes the belt to start slipping from time to time. You might hear it when the engine is started in the morning or in wet weather as squealing or chirping noises coming from under the hood.

Does my belt tensioner need to be replaced?

There is no recommended timeframe in which to replace your tensioner, especially as the belt itself usually needs replacing before the tensioner does. However, you should inspect your tensioner each time you service your car to monitor its condition and replace it if necessary.

Should I worry about a squeaky belt?

Any unusual engine or vehicle noise is cause for concern and should be looked at soon after the noise is first noticed. … Any reputable repair shop will inspect your belts at no charge and should be happy to ride along with you on a test drive if you notice the noise while driving.

How do I stop my fan belt from squealing?

WD-40 is a water displacement lubricant and should remove the moisture from the belt ribs. In most cases, removing the moisture will stop the squeal. Allow the engine to run for a few minutes, then spray rubber dressing, also known as belt dressing, onto the belt in the same manner employed above.

How long will a squeaky belt last?

Thanks to improvements in rubber technology, serpentine belts last much longer than they did back in the day. Most serpentine belts generally last between 50,000 and 100,000 miles.

Can serpentine belt affect transmission?

A Broken Serpentine Belt Could Ruin the Transmission Without the belt running, the water pump won’t be able to adequately cool your engine. When the engine overheats, your transmission may be damaged.

Is timing belt and fan belt the same?

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.

Why is my car wobbling when I drive?

The most common cause of vehicle wobbles in this speed range is a bent wheel or mildly out of round tire. … The most common cause of vehicle shakes at 50 mph or higher is tire balance. Again, transmission or drive lines can cause this, but the tires should be the first thing to have checked.

How do you fix a slipping belt on a car?

If your belt is slipping because the rubber is starting to dry out, then belt conditioner will stop the squeak by softening it and moisturizing it. If your belt is getting dried out, spray both sides with belt dressing and let it soak into the belt before spraying it again.

Can a belt tensioner making noise?

1. Grinding or squeaking noise from the belts or tensioner. The most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started.

Will a broken timing belt destroy my engine?

If a timing belt breaks, the engine will no longer work. … This may result in a heavy damage to the engine with broken or bent valves, damaged pistons and, possibly, destroyed cylinder head and block.

What does a loose belt sound like?

The most common sign of a loose drive belt is noise, and it can range from a barely audible squeak to an ear-shattering squeal. It could happen when you’re driving, or when your engine is idling.

How much does it cost to replace a belt tensioner?

To get the belt tensioner replaced, you will pay anywhere from $140 to almost $400. The price of parts and labor varies from one car to the next, with most labor costs coming in at about $70 or $80.

How tight should fan belt?

The required measure of tension in the serpentine belt is that it should not deflect more than ½ inch when twisted either way from the middle. If twisted more, the belt is loose, and if twisted less, the belt is too tight.

What does a slipping serpentine belt sound like?

The symptoms of a loose serpentine belt include a loud squealing noise when the engine is started or when the steering is turned all the way to one side. A serpentine belt that keeps slipping off the pulley is another symptom of a bad tensioner.