928 S V8-4957cc 5.0L (1985)
Crankshaft Main Bearing: Technical Service Bulletins
Crankshaft Main Bearings - Modifications
Group
1
Number
8410
Model
928S
Part Identifier
1350
December 17, 1984
Subject:
Crankshaft Main Bearings
Various modifications have been made to crankshaft bearings and related engine parts. These changes have been introduced into production in steps.
A Thrust bearing 3 (1st modification)
B Thrust bearing 3 (2nd modification)
C Crankcase
Upper and lower section, assembling
Tightening procedures
D Crankshaft
E Main bearing, bottom 2, 4 and 5
F Main bearing 1
The following changes to the No. 3 thrust bearing, crankcase and crankshaft were made beginning with engine number:
81 E 00148 (manual trans.)
81 E 05344 (automatic trans.)