What happens when the crankshaft pulley goes bad?
What happens when the crankshaft pulley goes bad? But if the balancer starts to go bad for any reason, the vibrations won’t be absorbed anymore. This will cause the engine to shake profusely the faster you go. 2) Alternator Failure. The crankshaft pulley is responsible for powering the alternator. So naturally, if the crankshaft pulley goes bad, then you can expect the alternator to stop working. How much does it cost to replace a crankshaft pulley? Replacement Cost. The cost to replace a bad crankshaft pulley is anywhere from $350 to $400. The cost of labor is around $150 to...