Allocation of crankshaft bearing shells for cylinder block
WARNING: This page is about a different car, the 2010 Audi A8, 2009 Audi A8, 2008 Audi A8, and 2007 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.
- Bearing shells are allocated to cylinder block corresponding to color markings stamped into cylinder block.
- For used and reworked crankshafts, the main crankshaft journals must be measured in order to allocate the matching bearing shells.
- Crankshaft dimensions → Crankshaft dimensions .
- Thicker over-sized bearing shells are available for reworked crankshafts. These have the same color markings as the original-size bearing shells.
| Letter on cylinder block | Color of bearing | |
| R | = | Red |
| G | = | Yellow |
| B | = | Blue |