A3 Mk2
| Crankshaft - exploded view |
| 1 - | Bearing shell |
| q | For cylinder block (with oil groove) |
| q | Do not interchange used bearing shells (mark positions) |
| 2 - | Drive chain sprocket |
| q | For oil pump |
| q | Removing and installing → Chapter |
| 3 - | Bearing shell |
| q | For bearing cap (without oil groove) |
| q | Do not interchange used bearing shells (mark positions) |
| 4 - | Thrust washers |
| q | For bearing No. 3 |
| q | Different types for cylinder block and bearing cap |
| q | Note location |
| 5 - | 65 Nm + 90° (1/4 turn) further |
| q | Renew |
| q | For measuring radial clearance of crankshaft, tighten to 65 Nm but not further |
| 6 - | Bearing cap |
| q | Bearing cap 1: Pulley end |
| q | Bearing cap 3 with recesses for thrust washers |
| q | Retaining lugs of cylinder block bearing shells / bearing caps must be on the same side of the bearing |
| 7 - | Crankshaft |
| q | A needle bearing must be fitted in the crankshaft on vehicles with direct shift gearbox; install needle bearing if not yet fitted → Chapter. |
| q | Axial clearance when new: 0.07 ... 0.17 mm; wear limit: 0.37 mm |
| q | Check radial clearance with Plastigage |
| q | Radial clearance when new: 0.03 ... 0.08 mm; wear limit 0.17 mm |
| q | Do not rotate the crankshaft when checking the radial clearance |
| q | Crankshaft dimensions → Chapter |
