Description & Operation: Engine: Crankshaft
WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
The crankshaft is cast nodular iron with eight counterweights. The number five counterweight is also the ignition system reluctor wheel. The main bearing journals are cross-drilled, except #5, and the upper bearings are grooved. The crankshaft has a pressed-on balance shaft driven sprocket. Number three main bearing is the thrust bearing. A harmonic balancer is used to control torsional vibration.