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Look online for garages in Reading and schedule an appointment with a technician as soon as possible to diagnose if you hear a screaming noise when you start your car. A worn pulley or a slipping auxiliary belt are the two most frequent causes of idler pulley noise. A damaged pulley, which makes a loud noise, can possibly be the culprit.
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What Are Three Main Reasons of Idler Pulley Noise The engine belt begins to bind and rub against the pulley. Squealing sounds are produced by this contact, and they only become worse until the pulley is replaced. In addition, if a slipping belt is not changed right away, other engine parts may malfunction, necessitating additional expensive repairs. Find out what failed past MOT tests were for and whether there is a pattern by searching "check my MOT history" online.