Loud Screeching Sound From Your Car? It Might Be a Bad Idler Pulley

Mechanic diagnosing bad idler pulley

How to Diagnose and Fix Bad Idler Pulleys, Bad Tensioner Pulleys, and More

If you hear a chirping or screeching sound from your car, it could have a bad idler pulley, bad tensioner pulley, bad water pump pulley, or another type of bad pulley. These steps explain how to inspect a bad pulley in your car and what you can do to fix it yourself.

How to Tell If You Have a Bad Pulley

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Fix a bad engine component pulleys yourself with quality auto parts at 1aauto.com
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Is Your Car Chirping?

If you hear your car chirping or squealing, it could be from a worn belt or belt tensioner. Find out what belt tensioners are, what they do, and how to tell if yours is bad and is causing a chirping noise from the engine with these tips.

How to Diagnose and Fix a Bad Serpentine Belt Tensioner

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