Why does my serpentine belt keep breaking?

Why does my serpentine belt keep breaking?

Serpentine belt problems usually result from one of three causes: a defective belt tensioner; misalignment of a pulley; or, defective bearings in the tensioner, idler, or one of accessories driven by the belt (including the water pump). Excessive cracking: Other than severe old age, defective tensioner.

How often do serpentine belts break?

How often does a serpentine belt need to be replaced? Serpentine belts are built to last—much longer than before because of advancements in rubber technology. Under ideal conditions, a belt should stick with you for an average of 60,000 to 100,000 miles.

How do you know if a tensioner pulley is bad?

Listen for a fluttering” noise while driving or while the car is idling. This indicates the tensioner is too loose. Other noises such as squealing or whirling from the front of the engine mean the spring inside the tensioner is weakening. In this case, the belt tensioner needs to be replaced.

Why does my car squeal when I start it up?

What Makes Your Vehicle Squeal when Starting. Most of the time, the squealing is do to something called a serpentine belt. When you open your hood, it’s the incredibly long belt that winds around multiple pulleys. It connects the crankshaft to other systems like the alternator, power steering, AC, and water pump.

How often should a Mazda 2 drive belt be replaced?

The serpentine belt of a Mazda 2 / Mazda Demio extends from the belt tensioner (left) to the alternator (right). It’s a 1840 mm belt. Its belt tensioner is automatic, meaning it applies its force onto the belt by the means of a spring. The drive belt should be replaced every 100,000 Km or whenever showing many cracks on its grooves’ edges.

Why does my Mazda Protege keep breaking its belts?

I have a 98 Mazda Protege that keeps breaking belts; the alternator belt squeals unless I run it really, really tight. Pulleys are perfect; alignment is perfect; there is not drag and there are no worn bearings on the alternator or the water pump.

When does my serpentine belt break the third time?

Hi-My serpentine belt has just broken for the third time. The car will seem sluggish and squeel quite loudly before the belt breaks. It only happens when it’s cold out. Its a 98 Protege and has been a perfect car besides this really annoying problem.

Can a Mazda Protege be a reliable car?

I also Have a 1998 mazda protege with the 1.5 liter engine and this will be my second belt i put on within THREE MONTHS other than the belt my car has also been very reliable. I Agree With elrjones it is very frustrating. If anyone has any advice please respond Oh wow. Well, I guess it sucks, but it’s nice to know I’m not the only one.

https://www.youtube.com/watch?v=zL02nL_Gmlk