Gm Global Technolgoy Operations, Inc.

Luke Luehr

Dale Edward Murrish

Scott A Hucker

Jeremy T Demarest

Varoon Shankar

A crankshaft assembly for a vehicle, a method of operating a crankshaft assembly, and a method of manufacturing a crankshaft assembly. The crankshaft assembly includes a crankshaft, a first pin bearing journal and a main journal, an oil passage having a main passage wall, the oil passage extending from the first pin bearing journal to or through the main bearing journal, a crankpin exit hole located in the main passage wall, and a blocking element positioned in the oil passage, wherein the blocking element is located in a radially outward position with respect to the crankpin exit hole.

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Farmington Hills, MI, United States of America

Luke Luehr