9-5 Aero (9600) L4-2.3L Turbo (2.3HOT) (2004)
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Crankshaft: Description and Operation
Crankshaft Assembly
The crankshaft is a forging and has ground journals, which are surface-treated by induction hardening. This produces a hard surface finish which is
highly resistant to wear. There are five main bearings, with the middle one also serving to locate the crankshaft axially. Oilways are drilled in the
crankshaft for lubrication. All main bearing shells are replaceable.
