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Belt Squeals When Car Starts

Common Serpentine Belt Problems Over time, wear and tear can take a toll on the belt and the pulleys, which often results in that high-pitched chirping sounds when you start the car and accelerate. A worn belt can, therefore, begin to slip, which is one of the causes the squeal.

Why does my car belt squeal when I start it?

Your engine belts make a screech or squeal noise usually because the rubber belt is slipping on the metal pulley and just like your tires spinning on the road, this causes noise. The belt may be slipping due to improper tension or because it simply has gotten old and the surface has become glazed, cracked or brittle.

Can a bad alternator cause belt to squeal?

A squealing alternator pulley is not only annoying, it indicates a problem with the car’s belts or alternator. Left unattended, the problem that causes a pulley squeal will likely become worse and lead to expensive alternator or engine repairs.

Why does my car belt squeal when it’s cold?

The cold weather causes rubber to be less pliable and a bit brittle. As the engine pulleys turn the rubber belt at a very rapid pace, this will cause them to squeak a bit until the rubber material warms up and becomes more pliable. This may also happen when the belt needs to be tightened up.

How much does it cost to replace serpentine belt?

A typical serpentine belt start at around $25 and goes up to $75 at most. If you know some car repair basics, you could change the belt yourself, and it may save you paying labor charges somewhere between $75 and $120. All together, you’re looking at around $100 to $195 to replace your serpentine belt.

How long will a squealing belt last?

How long will a cracked serpentine belt last? Serpentine belts typically last between 60,000 and 100,000 miles (although some claim that they last anywhere between 30,000 to 150,000 miles).

What does a loose alternator belt sound like?

4) Chirping or Squealing Noise If the serpentine belt is loose, it often results in various noises coming from your engine. If you fail to replace your alternator/serpentine belt, the problem will only get worse and to the point that the belt may completely slip off a pulley or pieces of it start breaking off.

What does it mean when your serpentine belt squeals?

The serpentine belt in your car drives several accessories such as the power steering pump, alternator, air conditioning compressor, and the water pump. When you start to hear that squealing sound, that could mean that your pulley is misaligned, belt is cracked or your belt is slipping due to the loss of tension.

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. It is also possible for the tensioner pulley or bearing to wear out, in which case the vehicle will produce a grinding noise from the pulley.

How do I know if I need to replace my serpentine belt?

The easiest way to know that a new serpentine belt is needed is if you hear it squealing while the engine is running. A heavy rainstorm might cause a bit of squealing, but if there are any fluid leaks, it’s time to replace it right away.

How do I know if my drive belt needs to be replaced?

Common Signs of Drive Belt Replacement Strange Noises. One of the biggest signs that you probably need to take your vehicle to the dealership for a check is when you start hearing strange noises coming from your engine. Visual Signs of Wear. Mileage Indicators. Breakage is Bad.

How do you know if your serpentine belt is going bad?

If you suspect your serpentine belt is failing, watch out for the following symptoms: Squealing noise from the front of the vehicle. If you notice a squealing noise coming from the front of your vehicle, it could be from the serpentine belt. Power steering and AC not working. Engine overheating. Cracks and wear on the belt.

Will soap stop a squeaky belt?

Sometimes a belt will squeal upon starting a vehicle and will disappear shortly thereafter. That’s right, ordinary bar soap can usually stop the squealing when rubbed on a fan belt. Just a few rubs on the belt with bar soap can solve the bar squealing problem for quite some time and save money in the process.

Does belt dressing work on serpentine belts?

Should I use belt dressing on my serpentine belt? Yes. You should apply it to the grooved side of the belt every 3,000 miles or with every oil change. Doing this will help prolong the life of your belt and prevent any belt slip problems.

Can you drive with damaged serpentine belt?

It is best to not drive a car with a broken belt, even for a short distance. Get the car towed or get a mechanic to come to the car to replace the belt. Everything it turns will stop working. Power steering, AC, alternator, and most importantly, the water pump.

Can I drive with a slipping belt?

There are a couple of factors influencing the answer to this question, but on average, your car should be able to run between 20-90 minutes with a broken serpentine belt. The engine will overheat faster without a functioning cooling system on a hot day, so your driving window is less.

Can I drive my car if the serpentine belt is broken?

Can I Continue Driving My Car If the Serpentine Belt Is Broken? Technically, yes, you can continue driving your car, but not for long. For instance, without power steering, you’re likely to get exhausted very quickly from driving.

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.

Why does my front end squeak when I turn?

Why does my car squeak when turning? If you notice your car has started making a squeaking sound when you turn, there are three common culprits: a lack of lubrication in the suspension, low power-steering fluid, or friction between the steering wheel housing and the interior trim.