Main Bearing Shells Allocation
WARNING: This page is about a different car, the 2021 Audi RS 7 Sportback. However, it is still accessible from the selected car via links, so may be relevant.
Allocation of the Crankshaft Bearing Shells for the Cylinder Block
- Bearing shells with the correct thickness are allocated to the cylinder block in the factory. The colored dots on the sides of the bearing shell mark the bearing shell thickness.
- The allocation of the bearing shells to the cylinder block is indicated by a letter for each bearing shell on the cylinder block as shown.
| Letter on Cylinder Block | Color of Bearing | |
|---|---|---|
| R | = | Red |
| S | = | Black |
| G | = | Yellow |
| U | = | Green |
| B | = | Blue |
Allocation of Crankshaft Bearing Shells for Bearing Cap
- Bearing shells with correct thickness are allocated to bearing cap at factory. The colored dots on the sides of the bearing shell mark the bearing shell thickness.
- The allocation of bearing shells to bearing caps is identified by a letter on the rear crankshaft flange, as shown.
- The letter series begins with crankshaft bearing "1" (belt pulley side) and ends with crankshaft bearing "5" (transmission side).
| Code Letter on the Crankshaft Flange | Color of Bearing | |
|---|---|---|
| R | = | Red |
| S | = | Black |
| G | = | Yellow |
| U | = | Green |
| B | = | Blue |