| Allocation of crankshaft bearing shells (classification) |
| Main bearing shells of the correct thickness are allocated to the cylinder block and crankshaft at the factory. Coloured dots are used to identify the thickness of the bearing shells. |
| If the cylinder block or crankshaft is renewed, the bearing shells must be reallocated. |
| Always insert bearing shell for cylinder block (upper bearing shell) with yellow colour marking. |
| Determine the correct colour marking for the bearing shell in bearing cap (lower bearing shell) with regard to the letters on the cylinder block and crankshaft. |
| The first letter is allocated to bearing cap one, the second to bearing cap two, etc. |
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