Mercury MerCruiser D2.8L D-Tronic Service Manual page 334

ENGINE MECHANICAL
5. Lubricate crankshaft journal and bearing with clean engine oil. Install rear main bearing
carrier into cylinder block, align marks previously made. Always be certain lubrication
holes on block and carrier align, especially when or if marks are not present.
6. Install new O-ring into groove of thrust plate (crankshaft side).
7. Install thrust plate with O-ring towards crankshaft. Tighten retaining screw securely.
Page 3A-134
a - Rear Main Bearing Carrier
b - Marks Aligned
a - Thrust Plate
b - O-ring
b
a
SERVICE MANUAL NUMBER 22
a
b
90-860074--1 FEBRUARY 2002
70409
70304