The Ultimate Guide to Idler Pulley Noise Diagnose and Resolve

My truck started making a squealing noise when running. After some investigation, I discovered it was the idler pulley. Remove the belt and check the pulleys by spinning them (listen for the noise) and rocking them back and forth to check for play. If you find ... HOW TO DIAGNOSE BAD IDLER PULLEY BEARING we shown how to find a worn idler pulley bearing noise on your accessory belt driver or serpentine ... Comments211 · Squealing from front of your car or truck's engine, not belts? · TOP 7 SYMPTOMS OF A BAD DRIVE BELT TENSIONER | SIGNS DRIVE BELT ... Chirping and squealing can be from a lose belt also. If the belt is even slightly loose - it'll squeak / chirp everytime it slips on the pulley. need to quiet this customer's loud fan belt tensioner pulley. It's a simple trick to grease idler pulleys. Don't buy a new idler pulley for ... I loosened it a bit.... same thing. After looking/listening, it sounds like it is coming from the idler pulley. I loosened the belt all the way, ... The noise is a "bearing-going-out" type noise, increases in loudness/pitch with acceleration, decreases to near-non-existent (but can still hear the slight ... Sounds like an idler pulley to me; my Civic made a very similar sound at idle before replacing it. If the bearings in your pulleys go bad, it ... Learn how to stop the whining noise coming from your engine idler pulley with this satisfying DIY repair video.