Turbocharger With Attachments
Turbocharger With Attachments, Removing And Installing
Part 1
1. 40 Nm
- Always replace
- Coat threads with G 052 112 A3 high-temperature lubricant
2. Seal
- Always replace
3. 10 Nm
- Must not be loosened
4. Pressure unit
- For Boost Pressure Regulation Valve
- Can only be replaced together with turbocharger
- Checking boost pressure regulation
5. Circlip
6. Turbocharger
- Checking boost pressure regulation
- The boost pressure regulation valve and vacuum diaphragm for boost pressure regulation are part of the exhaust turbocharger and cannot be replaced individually.
- Before connecting oil supply line, fill turbocharger with oil at filler tube
- After installing turbocharger, let engine idle for approx. 1 minute without increasing engine speed. This ensures adequate oil supply to the turbocharger.
7. O-ring
- Always replace
8. 10 Nm
9. Intake manifold
10. Gasket
- Always replace
- Note installed position
11. 20 Nm
12. Heat shield
13. 10 Nm
14. Banjo fitting, 30 Nm
15. Oil supply line
- Before connecting oil supply line, fill turbocharger with oil at filler tube
16. 30 Nm
- Always replace
- Coat threads and bolt contact surface with G 052 112 A3 high-temperature lubricant
17. Exhaust manifold
18. Gasket
- Always replace
- Note installed position
19. 20 Nm
20. Banjo fitting, 30 Nm
21. 25 Nm
- Always replace
- Coat threads with G 052 112 A3 high-temperature lubricant
22. Banjo fitting, 35 Nm
23. Coolant return line
24. 25 Nm
25. Spacer sleeve
26. Banjo fitting, 35 Nm
27. 10 Nm
28. Coolant supply line
29. Banjo fitting, 35 Nm
30. 30 Nm
- Use only original bolts from parts catalog
31. Bracket
- Between turbocharger and cylinder block
32. 25 Nm
33. Gasket
- Always replace
34. Gasket
- Always replace
35. 10 Nm
36. Oil return line
- To oil pan
37. 10 Nm
38. 10 Nm
- Do not change orientation
- Must not be loosened
Part II (Vehicles with engine code APH)
1. Deceleration shut-off valve
2. Connection hose
- Check for secure seating
- To recirculating valve for turbocharger -N249-
3. Pressure regulator valve
- For crankcase ventilation
4. Connection hose
- Check for secure seating
5. To crankcase breather valve
6. From air filter
7. Upper air guide pipe
- Note installation position of heat shield mat
8. Bracket
9. 25 Nm
10. 10 Nm
11. From turbocharger exhaust tube
12. Connection hose
- Check for secure seating
13. Connection hose
- To vacuum diaphragm for charge pressure regulator valve
14. Retaining clip
- Check for secure seating
15. O-ring
- Always replace
16. Intake hose
- Check for secure seating
- To intake tube of turbocharger
17. Wastegate bypass regulator valve -N75-*
Part II (Vehicles with engine code AWP, AWV, BKF, BNU)
1. Pressure regulator valve
- For crankcase ventilation
2. To crankcase breather valve
3. Deceleration shut-off valve
4. Connection hose
- Check for secure seating
- To recirculating valve for turbocharger -N249-
5. Connection hose
- Check for secure seating
6. From air filter
7. Upper air guide pipe
- Note installation position of heat shield mat
- With quick-release connection (with O-ring and retaining clip)
8. Bracket
9. 40 Nm
10. 25 Nm
11. To connection hose for lower connection sleeve/charge air cooler
12. O-ring
- Always replace
13. Retaining clip
- Check for secure seating
14. 10 Nm
15. From turbocharger exhaust tube
16. Connection hose
- Check for secure seating
17. Connection hose
- Check for secure seating
- To vacuum diaphragm for charge pressure regulator valve
18. Retaining clip
- Check for secure seating
19. O-ring
- Always replace
20. Intake hose
- Check for secure seating
- To intake tube of turbocharger
21. Connection hose
- To suction jet pump
22. Wastegate bypass regulator valve -N75-*