Conquer Idler Pulley Noise A Step-by-Step Guide

How to diagnose engine pulley, belt tensioner, belt accessory noise. If the belt is on the engine and the engine is operating there my be a rattling or metal on metal screeching sound. Check your valve timing lately? Definitely something driven by the belt also making a noise. Would look closer at water, AC and alternator as ... Any problem in the system will create idler pulley noise, indicating there is something wrong with the pulleys. A bad pulley may create plenty of troubles, ... Learn how to stop the whining noise coming from your engine idler pulley with this satisfying DIY repair video. To narrow down chirps or squeals, you can take a spray bottle full of water and spray a stream onto each belt just ahead of each pulley. When ... It's possible to squirt some Inox or similar stuff into the noisy idler pulleys which I have done, however this tends to dry out rather quickly. I am also experiencing an intermittent rumbling noise at highway speed. There is no vibration in the steering wheel, just a low droning noise. Replace entire belt tensioner and might as well replace the idler too. Tensioner is short. Also, aftermarket belts are more prone to noise. 22:13 Go to channel How to Find Squeaking Whining Engine Noise. alternator, fanbelt, hydraulic pump. etc Mr. DIYer•45K views