For More Info visit us at: https://1aau.to/h-cdp Did you know that squealing belts or pulleys may actually be the result of a bad belt tensioner? Check out this video where Len shows you how to identify a bad belt tensioner, and also discusses how improper belt tension can lead to worn pulley bearings and belts! Check out more of our great diagnosis videos in this playlist! http://www.youtube.com/playlist?list=PL17C5A3ED23485B90 Subscribe: https://www.youtube.com/channel/UCVvE8kQTuZEykvMFZBVzftg?sub_confirmation=1 Check out our playlist: Driveway Diagnostics!: https://www.youtube.com/playlist?list=PL17C5A3ED23485B90 📱 Download the 1A Auto Repair App for more videos, torque specifications, and car repair information: https://1aau.to/appdownloadyt 🚗 For More Info visit us at https://1aau.to/h-cdp ⚠ DISCLAIMER: 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.