If noise is easy to duplicate, find a safe place you can coast with engine off. Roll with transmission in gear, clutch depressed. Release bearing will not be rotating but input shaft will rotate in pilot bushing.
BC 1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc 1949 GMC 250 project in waiting 1960 C60 pasture art Retired GM dealer tech. 1980 - 2022