Do belt squeal when too loose or tight?

A belt that is either too loose or too tight will often slip against the pulleys, causing the squeal. While the motor is running, pour water over the squealing belt. It the noise stops, it tells you the belt needs tightening.
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Will a loose serpentine belt squeal?

Common Serpentine Belt Problems

Worn/Cracked Serpentine Belt – Serpentine belts have grooves which fit into grooves in the pulleys. Over time, the friction wears down these grooves, resulting in a loose fit. A worn belt can, therefore, begin to slip, which is one of the causes the squeal.
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What happens if serpentine belt is too loose?

If the belt is too loose, it will cause the alternator to slip. This slipping can cause the alternator and the battery to work harder.
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Why is my brand new belt squealing?

Belt or pulley misalignment is a common issue that causes changed serpentine belts to still squealing. Misalignment means that the grooves on your belt are not aligned with the ones on your pulley. It also tells that you shift the belt a bit in or out in one of the pulleys.
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What are some potential problems if belt tension is too loose?

Improper Tension

A belt that's too loose on a pulley will cause slippage, which leads to heat build up from friction. This heat will damage your rubber belts and cause the belts to crack and break. A belt that's too tight can add stress to your bearings and cause your motor to over amp, leading to motor failure.
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How to Fix a Squeaky Belt (figure out where the squeak is coming from)



How tight should a belt be?

A lifting belt's tightness may vary slightly by exercise, however, in general, you should have about a finger width of room between the belt and your torso so it's tight enough where you feel it around your waist, but are still able to breathe comfortably.
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What noise does a loose belt make?

A loose drive belt will often be noisy, squeaking a bit, or emitting a high-pitched squeal. The most obvious sign of a loose drive belt, though, is in its appearance and tension. A loose belt, simply stated, looks and feels loose.
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Can a loose belt cause a whining noise?

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.
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Why is my car making a high pitched squealing noise?

1. You hear a high-pitched squeal when accelerating: If you notice a loud squeal when accelerating, especially if your car is just warming up, it could be that you have a loose or worn fan belt. Usually if your fan belts are worn, it could mean your timing belt needs replaced as well.
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What does a squealing belt mean?

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.
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Can a tight belt cause squeaking?

A Belt That Is Too Loose or Too Tight

A belt that is either too loose or too tight will often slip against the pulleys, causing the squeal. While the motor is running, pour water over the squealing belt. It the noise stops, it tells you the belt needs tightening.
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Will a new belt squeal?

If the replacement belt isn't installed properly, even a brand new belt and new belt pulley won't stop the squealing noise. Fortunately, it's quite easy to detect this issue. If you've just got a new serpentine belt installed and yet you hear the squealing noise, chances are your mechanic didn't do a good enough job.
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Can I put WD 40 on a squeaky belt?

If your alternator belt squeaks, or your power steering belt starts slipping, the noise can be infuriating. With this specially formulated spray from WD-40 Company, squealing belts are no problem at all. Just spray a little WD-40 Specialist Automotive Belt Dressing with the engine running.
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Why does my serpentine belt squeal when I accelerate?

A squealing noise, often heard at engine startup, sudden acceleration, air conditioning turn-on, or during a U-turn is typically caused by belt slippage due to improper tension and/or a badly glazed belt. Serpentine belt systems typically employ a spring loaded belt tensioning pulley and sometimes these can go soft.
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How tight do you want your lifting belt?

The belt should be tight, but not to the point you feel like you will explode. You want to leave enough room for your stomach to expand so you can create tension and brace. Your belt should be tight and snug but will be filled out once you begin to brace.
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How far should belt stick out?

HOW SHOULD THE BELT LOOK ONCE IT'S FASTENED. Once it's fastened, the belt should always have to be a few inches of leather sticking out. This should be just enough to tuck it under the first belt loop or the loop on the belt (if it has one).
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What are two problems that can cause a belt to squeal?

The belt squeals because there is improper tension in the belt drive system. This is usually caused by a worn automatic tensioner, but other causes can include a contaminated belt (oil, belt dressing, etc.) or a belt that is too long or worn out.
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What does a bad serpentine belt tensioner sound like?

One of 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.
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What does a loose alternator belt sound like?

Squealing Noise when cold

This is mainly due to a loose alternator belt, which will become more slippery and wet when it is cold and create a high pitch noise when it slips on the alternator. If you have a high pitch noise when you start the car for a few seconds, it is definitely time to check the alternator belt.
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Can wearing a tight belt cause problems?

Yes. A tight belt or waistband is like a tourniquet around your gut, disrupting the flow of your digestive system. "Tight-fitting pants increase abdominal pressure, making it difficult for gas and food to move downward," says Russell Yang, M.D., Ph.
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