S4 V8-4.2L (BHF) (2004)
Crankshaft Main Bearing: Service and Repair
Allocation of Main Bearing Shells For New Crankshafts
Allocation of main bearing shells for new crankshafts
Allocation of crankshaft bearing shells for cylinder block
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Bearing shells with the correct thickness are allocated to the cylinder block in the factory. Colored dots on sides of the bearing shells serve for
identifying bearing shell thickness.
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Allocation of bearing shells to cylinder block is marked by one letter each at front left on cylinder block (can be read from outside) as shown in the
illustration.
Note: In addition, the letters are also stamped on the guide frame.
Allocation of crankshaft bearing shells for guide frame - crankshaft manufactured by Alfing
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Bearing shells with the correct thickness are allocated to the guide frame in the factory. Colored dots on sides of the bearing shells serve for
identifying bearing shell thickness.