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Learn how to diagnose squealing and chattering noises coming from under the hood of your vehicle! In this video, Len shows you the common causes of squealing and chattering noises from your engine: pulley bearings! He shows you how to check them out, and decide when it's time to replace one.

Check out our collection of other diagnostics you can do yourself in your own driveway:
   • Driveway Diagnostics!  

For More Info visit us at http://1aau.to/h/cdk/

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While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.