How much does it cost to replace a tensioner pulley?

Once that pulley is damaged or loose, then you are going to have some issues with your car’s performance. 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. What Is Tensioner Pulley Replacement?

What does the pulley on a belt tensioner do?

The pulley is what allows the movement of the drive belt. The spring keeps the drive belt in its correct tension. The tensioner arm is a mechanism that allows for the adjustment or the removal of the drive belt. It delivers enough slack on the drive belt for easier adjustments. The base is what holds all the different parts together.

When do you know you need to replace your belt tensioner?

If you notice that there is resistance, roughness, or noise every time you turn the pulley, then there’s a chance that the problem is in the pulley bearings. You might think of replacing only the pulley bearings in this case. Mechanics will tell you to replace the entire belt tensioner system.

What causes a serpentine belt pulley to squeak?

The serpentine belt in your car powers the accessories such as air conditioning, power steering, the alternator, and waterpump. Tensioner pulley wear will cause your pulley to squeak.

How do you remove a tensioner pulley?

Hold the tension from the belt, and slip the belt off the auto tensioner pulley to remove the belt and pulley system. Slowly release the tension to avoid damage or injury, and then remove the tool from the belt auto tensioner.

How much does it cost to replace a pulley?

At AutoZone, for instance, a complete kit, including the idler pulley, can cost $75 to $130 , but the idler pulley on its own will cost $17 to $35+ . The best sellers on Amazon retail for about $15 to $35 .

What are the signs of a bad belt tensioner?

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.

What noise does a bad tensioner pulley make?

Any noise that sounds like a squealing, whirling, or chirping might be a sign that the tensioner is weakening. The pulley bearings should be ruled out first because loose bearings can also cause such a noise.