Why is my belt making a clicking noise?
In most cases, this type of clicking sound is caused by a belt that is slightly frayed and hitting a shield or other mechanical component. It’s also common for a worn out pulley or idler tension pulley to cause a clicking sound as the belt spins.
Why does my serpentine belt keep snapping?
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 do you know when a belt pulley is bad?
- Rust bleed and cracks. Appearance: Rust is bleeding between arm and base or dripping from the tensioner.
- Pulley bearing wear.
- Pulley wear.
- Tensioner assembly misalignment.
- Tensioner noise.
- Tensioner arm misalignment.
- Excessive tensioner arm oscillation.
- Binding or grinding tensioner arm movement.
What sound does a bad tensioner pulley make?
When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises. If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise. Symptom 2: Knocking or slapping.
What does it sound like when a serpentine belt goes bad?
Although there are a few causes of a squealing engine, one of the most common is a bad or failing serpentine belt. Belt squeaking is also especially pronounced when accelerating, on startup, and when making a U-turn. The noise is loud and sounds like a squeal, loud chirp, or squeak.
Can you drive with a bad tensioner pulley?
Driving with a bad belt tensioner is unsafe since the tensioner is meant to guarantee ample tension that powers accessories. Wear on the belt tensioner will eventually cause the belt to slip, generate loud noise, and also create an unsafe level of heat along the accessory pulleys.
How much does it cost to fix a tensioner pulley?
It will cost between $125 and $380 to have your pulley replaced. The labor should cost between $45 and $155 and the parts should cost between $85 and $225.