Engine Block: Crankshaft: Description: Description

Fig 1: Crankshaft, Bearings, Thrust Bearing & Engine Block

Courtesy of CHRYSLER GROUP, LLC

The crankshaft (1) for the 3.0L is a forged steel type design with four main bearing journals. The fourth crankshaft support controls crankshaft thrust.

Fig 2: Bearing Identification & Letters Stamped Into Crankshaft

Courtesy of CHRYSLER GROUP, LLC

The bearing identification for the upper crankshaft main journals is etched into the lower right side of engine block and the proper lower bearing selection can be found etched in the front of the crankshaft (1).