Assign Crankshaft Bearing Shells - AR03.20-P-4360-01MR
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Engine 133, 260, 270, 274
- Read off assignment numbers of the upper crankshaft bearing shells (1a) on the crankcase position (arrow A).
Location of the assignment numbers matches the sequence of the crankshaft bearing point in the crankcase.
- Use the fitting upper crankshaft bearing shells (1a) on the basis of the read off assignment numbers.
Upper crankshaft bearing shells (1a) marked blue must be used for assignment number 1, upper crankshaft bearing shells (1a) marked yellow must be used for assignment number 2, and upper crankshaft bearing shells (1a) marked red must be used for assignment number 3.
The color coding is applied at position (arrow B).
 Courtesy of MERCEDES-BENZ USA
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- Read off the assignment letters of the lower crankshaft bearing shells (1b) on the front crankshaft journal (6).
The location of the assignment letters matches the sequence of the crankshaft bearing points.
- Use fitting lower crankshaft bearing shells (1b) based on the read off assignment letters.
Lower crankshaft bearing shells (1b) marked blue must be used for assignment letter B, lower crankshaft bearing shells (1b) marked yellow must be used for assignment letter G, lower crankshaft bearing shells (1b) marked red must be used for assignment letter R, lower crankshaft bearing shells (1b) marked white must be used for assignment letter W, and lower crankshaft bearing shells (1b) marked violet must be used for assignment letter V.
The color coding is applied at position (arrow C).
 Courtesy of MERCEDES-BENZ USA
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