Alternator pulley replacement
Dec 17, 2020
3 minutes
uxiliary drivebelt problems generally range from annoying ticks to a high-pitched squealing, with assorted noises in between. If you’re lucky, most can be fixed with a new belt or adjustment of the tensioner. A number of VAG engines seem to have one common problem associated with the auxiliary drivebelt, which is caused by the alternator pulley. This pulley isn’t a traditional solid design, which is simply secured onto the rotating shaft of the alternator. Instead, it has a one-way clutch mechanism to reduce unwanted noise at idle/ low-speed and
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