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Reasons for Crankshaft Pulley Rubber Aging?

1 Answers

MacMia

07/30/25 9:57am

Crankshaft pulley rubber aging is primarily due to prolonged usage over time. Consequences of crankshaft pulley rubber aging: A damaged crankshaft pulley can affect the engine, leading to weakened vehicle power, engine idling or abnormal noises during acceleration, increased operational resistance and potential seizure. It may also snap the timing belt, cause valve damage, and necessitates immediate replacement as a faulty crankshaft pulley severely impacts engine performance. Replacement procedure for aged crankshaft pulley rubber: First, remove the air filter using a Phillips screwdriver and specialized tools. Detach the front grille with a Phillips screwdriver, then loosen the generator bracket bolts and the generator itself with tools. Remove the generator belt. Next, loosen the air conditioning compressor bracket bolts and detach the compressor belt. Insert a flathead screwdriver into the small hole at the transmission bottom to lock the flywheel, while simultaneously loosening the crankshaft pulley bolt with tools and removing it. At this point, the pulley should come off easily.

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