Q: my alternator belt keeps breaking what could cause this
My alternator belt has snapped 3 times This last time it started smoking when i started it and when i looked the belt was broken.
My car has 100000 miles.
My car has an automatic transmission.
Hi Paula. Thanks for contacting us today. 95% of the time, frequent alternator or serpentine belt breakage is caused by either faulty pulley’s or misaligned or un-properly adjusted belts. Belts that are not properly adjusted to tightness can also explain the smoke issue. I would recommend having a different mechanic complete this job, replace all pulley’s and any tensioners as well.
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