Unleashing the Power Idler Pulley Noise Diagnosis and Repair

After tens of thousands of miles of use, the shaft bearings inside the idler pulley become worn causing a vibration that produces a loud noise. Similar noises ... 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, ... Using the old "screwdriver as a stethoscope" trick I have determined the noise is coming from the bearing in the top pulley immediately to the ... I'm trying to track down a noise from what I think is coming from an islet pulley or the tensioner pully on the serpentine belt. It's kind of a cross between a ... example vehicle 2002 Dodge Ram 1500 5.7L Hemi how to figure out which pulley on car is bad or squeaking #Dodge #HowTo #Automotive. One common bad idler pulley symptom is unusual chattering, chirping, or squealing sound from the car. A chattering loud noise typically indicates a loose or ... My truck started making a squealing noise when running. After some investigation, I discovered it was the idler pulley. Most likely it is the idler.. I think there are two... Replace them both along with a new belt and the WP and thermostat if you have the time and money. A lot of times that little idler pulley will give you all kinds of little signs that it's going to go bad. You hear squeaking, squealing, ... One of the common bad idler pulley symptoms is when the engine belts start producing a squealing sound.