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International Automotive Technicians Network
Re: Belt tensioner issue
Posted to Technical Discussion Forum on 4/8/2023 1 Reply

On most new cars , the alternator pulley is not solid to the shaft , it free wheel in one direction , like a rear wheel sprocket on a bicycle . When this pulley goes bad , it causes the belt to vibrate badly , and will self destruct . Will look on you tube how... Login to read more.

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