Oldsmobile Workshop Service and Repair Manuals > Cutlass Supreme FWD V6-189 3.1L (1989) > Engine, Cooling and Exhaust | Engine | Cylinder Block Assembly | Crankshaft Main Bearing | Component Information | Specifications

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Crankshaft Main Bearing: Description and Operation

Four steel-backed aluminum bearings are used, with the # 3 bearing being the end-thrust bearing.

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