What kind of noise does a faulty timing belt make?
In particular, a faulty timing belt will make a noticeable ticking or clicking sound that is very distinct from any other noise you can expect to hear from your engine. This is the most definitive sign that you have a problem with your timing belt, in fact.
What makes a belt sound like a squeal?
If you have belt noise that sounds like a squeal or chirp, you’ve got an underlying problem that must be fixed. The #1 cause of serpentine belt noise is a worn automatic serpentine belt tensioner. Most people blame the belt and replace it only to find the belt noise returns.
What causes a serpentine belt to make noise?
The #1 cause of serpentine belt noise is a worn automatic serpentine belt tensioner. Most people blame the belt and replace it only to find the belt noise returns. You may think the belt tensioner is in good shape simply because it applies some tension to the belt—not true!. Automatic belt tensioners have a lifespan of about 100K miles.
What to do if your car belt is making noise?
And, despite the fact that many Internet sources tell you to spray WD-40 onto a belt to quiet the noise or detect the cause, DON’T do it. You will ruin the belt. VER apply ANY kind of lubricant or belt dressing to an automotive belt. It NEVER fixes the underlying problem and just damages the belt and pulleysthe underlying problem.
If you have belt noise that sounds like a squeal or chirp, you’ve got an underlying problem that must be fixed. The #1 cause of serpentine belt noise is a worn automatic serpentine belt tensioner. Most people blame the belt and replace it only to find the belt noise returns.
The #1 cause of serpentine belt noise is a worn automatic serpentine belt tensioner. Most people blame the belt and replace it only to find the belt noise returns. You may think the belt tensioner is in good shape simply because it applies some tension to the belt—not true!. Automatic belt tensioners have a lifespan of about 100K miles.
What should I do if my belt is making noise?
A belt can look perfectly fine, but make noise if it is old. If you have an automatic belt tensioner, check that for proper operation as well. You could also remove the belt and spin all the pulleys to make sure they are moving freely and not making noise.
How can you tell if a car belt is a chirp or a squeal?
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.