What Are the Consequences of a Broken Engine Crankshaft Pulley?

1 Answers
NoahFitz
07/29/25 3:19pm
A broken crankshaft pulley can lead to weakened vehicle power, engine idling, abnormal noises when accelerating, increased operational resistance, seizing, and even snapping the timing belt, causing valve damage. Below is an introduction to the crankshaft pulley: 1. Function: The crankshaft pulley is the power source that drives other engine accessories, relying on the drive belt to operate components such as the alternator, water pump, power steering pump, and air conditioning compressor. The original design of the crankshaft pulley was to drive the camshaft, with the timing belt connecting them. 2. Advantages: Pulley drive can mitigate load impact; it operates smoothly with low noise and vibration; the structure is simple and easy to adjust; manufacturing and installation precision are not as strict as gear drives; it provides overload protection; and it allows for a wide range of adjustments in the distance between the two shafts.
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