Oil pump and crankshaft frame — design description (Audi A2)

Oil pump and crankshaft frame:
1. Cylinder block
2. Oil injection nozzle for piston cooling, observe the installation position: screw the oil injection nozzle counterclockwise until it stops in the cylinder block and tighten it in this position.
3. 27 Nm, install without sealant
4. O-ring, replace
5. Crankshaft frame, before installation, make sure there is a centering sleeve in the cylinder block and a sealing ring in the crankshaft frame
6. Centering sleeve
7. Bolt, oil pump to crankshaft frame: 20 Nm + 90°; replace bolt. Crankshaft frame to cylinder block: 14 Nm + 180°; replace bolt
8. Replace the sealing ring, check the reliability of the fastening, lightly lubricate with oil for installation
9. Oil pump with pressure reducing valve 11.5 bar. Before installation, make sure that there are two centering bushings
10. Centering sleeve
11. Chain, observe the installation position
12. Oil pump sprocket
13. 20 Nm + turn 90°, replace
14. Balance shaft sprocket, installation is possible only in one position
15. Counterweight, installation is possible only in one position
16. 100 Nm + turn 90°, replace for loosening and tightening use the "T10061" nozzle
17. 20 Nm
13. Freewheel sprocket
19. 15 Nm
20. The front sealing flange is placed on the centering bushings
21. 8 Nm + turn 90°, replace
22. Chain tensioner with a bar, for removal fix with a locking pin "T10060 A" or "T10060".