Fleetwood Brougham V8-252 41L (1985) Crankshaft Main Bearing | TSB 816103B
The procedure necessary to establish which bearing (standard or oversize) should be installed in the # 1 or # 5 position is contained in Service Bulletin
T-84-5C as well as 1987 and later Service Information Manuals. This procedure applies to all 4.1L, 4.5L and 4.9L V8 engines.
Parts are currently available from GMSPO.