I recently noticed that my BMW 5 Series is making a loud screeching noise whenever I accelerate. It started suddenly and it seems to be coming from the engine. What could be causing this and how can I fix it?
ReplyIt is possible that the serpentine belt in your engine is worn out and needs to be replaced. This can cause a screeching noise when the belt slips against the pulley while the engine is running. It is important to have this fixed as soon as possible as a worn out belt can cause damage to other parts in the engine.
Another possible cause could be a faulty tensioner pulley that is not keeping the belt taut. This can also cause the belt to slip and make a screeching noise. You will need to have the tensioner pulley checked and replaced if necessary.
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