Allocation of crankshaft bearing shells for cylinder block
WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- Bearing shells with correct thickness are allocated to cylinder block in the factory. Colored dots on sides of bearing shells serve for identifying bearing shell thickness.
- Allocation of bearing shells to cylinder block is marked by a letter on respective bearing on guide frame
Through engine no. BKH 033 000:
On engines through no. BKH 033 000 another allocation of letters on guide frame to bearing shell color applies to bearing 1 (front).
| Bearing no. | Letter on guide frame | Color of bearing | |
|---|---|---|---|
| 1 | G | = | red |
| B | = | yellow | |
| S | = | Blue | |
| 2 to 4 | G | = | yellow |
| B | = | Blue | |
| S | = | black | |
From engine no. BKH 033 001:
| Letter on guide frame | Color of bearing | |
|---|---|---|
| R | = | red |
| G | = | yellow |
| B | = | Blue |
| S | = | black |