How do you replace the crank shaft pulley on a 1998 gmc sonoma 4.3?

To replace the crankshaft pulley on a 1998 GMC Sonoma with a 4.3L engine, first, disconnect the negative battery cable and remove any necessary components like the serpentine belt and harmonic balancer if required. Use a puller tool to remove the old crankshaft pulley, then clean the crankshaft snout before installing the new pulley. Align it properly and torque it to the manufacturer’s specifications. Finally, reassemble any components removed and reconnect the battery.