Install Crankshaft Main Bearing - AR03.20-P-4341-03MRH

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Engine 264

Specified engine oils (service) - Overview

BB00.40-P-0223-02A

Fig 1: Crankshaft Main Bearing Components Location - Engine 264

Courtesy of MERCEDES-BENZ USA

Assign crankshaft bearing shells (1, 3) to cylinders.
When reusing crankshaft bearing shells (1, 3), install them on the same cylinder and in the same direction.

Engine damage can occur otherwise.

When installing new crankshaft bearing shells (1, 3), only install matching color combinations.

Engine damage can occur otherwise.
Moisten crankshaft bearing shells (1, 3) with engine oil.
Insert lower crankshaft bearing shells (1) into respective crankshaft bearing caps (2).
The anti-twist lock (1a) must rest in the inner edge of the groove (2a).

Engine damage can occur otherwise.
Insert upper crankshaft bearing shells (3) into the respective crankshaft bearing seats (4).
The anti-twist lock (3a) must rest in the inner edge of the groove (4a).

Engine damage can occur otherwise.