Part I

Charge Air System With Turbocharger

Turbocharger system components, removing & installing

Part I






1. 40 Nm
Coat threads with G 052 112 A3

2. Seal

3. 10 Nm
Must not be loosened

4. Vacuum diaphragm
For charge regulator valve in turbocharger
Can only be replaced in conjunction with turbocharger
Checking charge pressure regulation, refer to Testing and Inspection - Procedures Testing and Inspection

5. Circlip

6. Turbocharger
Checking charge air pressure control, refer to Testing and Inspection - Procedures Testing and Inspection
charge air pressure control valve and charge air pressure control valve vacuum unit are components of the turbocharger and cannot be replaced individually.
Fill turbocharger with oil via connection before connecting oil supply pipe.
After installing turbocharger run engine at idling speed for approx. 1 minute and do nut rev up, to ensure oil supply for turbocharger.

7. O-ring
Always replace

8. 10 Nm
9. Intake pipe

10. Gasket
Always replace
Note installed position

11. 20 Nm
12. Heat shield
13. 10 Nm
14. Banjo bolt, 30 Nm
15. Oil supply pipe

16. 30 Nm
Always replace
Coat threads and bolt head seating surface with G 052 112 A3

17. Exhaust manifold

18. Gasket
Always replace
Note installed position

19. 20 Nm
20. Banjo bolt, 30 Nm

21. 25 Nm
Always replace
Coat threads with G 052 112 A3

22. Banjo bolt, 35 Nm
23. Coolant return pipe
24. 25 Nm
25. Spacer sleeve
26. Banjo bolt, 35 Nm
27. 10 Nm

28. Coolant supply pipe
29. Banjo bolt, 35 Nm

30. 30 Nm
use only original bolts from parts catalog

31. Support bracket
Between turbocharger and cylinder block

32. 25 Nm

33. Gasket
Always replace

34. Gasket
Always replace

35. 10 Nm

36. Oil return pipe
To oil pan

37. 10 Nm

38. 10 Nm
Do not alter setting
Must not be loosened.