Question: How Do I Know If My Belt Tensioner Is Bad?

How much does it cost to fix a tensioner pulley?

You will pay somewhere between $125 and $380 to have your tensioner pulley replaced.

The labor should run between $45 and $155, while parts can cost as little as $85 or as much as $225..

How long does a tensioner last?

It’s always best to check your owner’s manual to find out exactly how long your particular timing belt’s last but it’s worth noting that in general they are expected to last between 60,000 miles and 100,000 miles.

What causes a belt tensioner to bounce?

A bad belt tensioner spring will often cause the tension arm to bounce up and down with the cycling of the motor. … These are definite signs that the tensioner needs replaced.

What causes tensioner to fail?

Dirt or mud can also jam the tensioner housing. A loose or worn pivot arm can allow unwanted movement; that results in belt noise and misalignment. Over time, this will increase belt wear and lead to premature belt failure. A worn bushing in the tensioner pulley can cause vibrations and noise.

What does a bad tensioner sound like?

Symptom 1: Squealing, rattling, or chirping. 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.

How much does it cost to replace a belt tensioner?

If the tensioner goes out, then your belt is going be loose or fall off, and your engine won’t work as it should. To get the belt tensioner replaced, you will pay anywhere from $140 to almost $400. The price of parts and labor varies from one car to the next, with most labor costs coming in at about $70 or $80.

What kind of noise does a bad idler pulley make?

Squealing. When the engine is idling, a bad pulley may make a squealing sound. This is due to the bearings in the pulley going bad. The bearings may also make various other sounds such as clattering or even a rumbling sound, making the vehicle sound as if there was much more wrong than a bad pulley.

What are the symptoms of a bad belt tensioner?

Symptoms of a Bad or Failing Drive Belt TensionerGrinding 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. … Unusual belt wear. Another symptom of a potential problem with the drive belt tensioner is unusual belt wear. … Belt-driven accessories fail.

When should I replace my belt tensioner?

The drive belt tensioner can wear down over time, just due to normal wear and tear. It’s a good idea to have it inspected each time you have your belt system looked at. The goal is to replace it before it actually breaks down, and causes your vehicle to run less than perfectly.

Can you drive with a bad tensioner pulley?

So, how long can you drive with a bad idler pulley? The safety recommendation is not to drive the car at all and take it to a mechanic immediately. You should be concerned if the vehicle makes squeaking or rattling noises. The car can still run for months or break after a few days.

What are the signs of a bad idler pulley?

For auditory cues, squealing noise from the engine belt can be a tell-tale sign. As the pulley wears, the engine belt may squeal as it rubs against the surface of the pulley. The issue will worsen with time. Generally, idler pulleys will eventually require a replacement.

How much does it cost to replace idler pulley?

Idler Pulley Replacement Cost The cost to replace the idler pulley of your driver belt will usually be somewhere between $80 and $200. The cost for the new part should only be anywhere from $40 to $90, while the cost of the labor will be anywhere from $40 to $110.

Can a bad tensioner cause engine vibration?

Serpentine Belt Tensioner Issues with the belt operated stuff or the belt itself, are another typical reason for engine vibrations in automobiles.