Turbocharger components, assembly overview

1 - Oil supply line

• Fill connection with engine oil before connecting oil supply line
• Removing and installing

2 - Union nut

3 - 22 Nm

4 - Union 30 Nm

• Replace
• Coat threads and bolt head seating surface with G 052 112 A3  
• Fill connection with engine oil before connecting oil supply line

5 - Bolt

6 - Banjo bolt

7 - Seal

• Replace

8 - Intake manifold

9 - Seal

• Replace
• Note installed position

10 - Washer

11 - 25 Nm

• Replace

12 - Support

• Between turbocharger and cylinder block

13 - 40 Nm

• First hand-tighten all bolts

14 - Connecting pipe

• Air cleaner/exhaust turbocharger.

15 - Transition piece

16 - Turbocharger

• Can only be replaced with exhaust manifold
• To remove exhaust turbocharger disconnect right axle shaft at transmission: Refer to 40 FRONT SUSPENSION .

17 - Seal

• Replace

18 - Union 40 Nm

19 - Oil return line

• To cylinder block

20 - 17 Nm

21 - Connector

• Turbocharger (TC) vane position sensor -G500-

22 - Vacuum hose

• To Wastegate bypass regulator valve -N75-.
• Vacuum hose connection diagram. Refer to Vacuum hose connection diagram 

23 - 20 Nm

• First hand-tighten all bolts

24 - 20 Nm

• Replace

25 - Heat shield

26 - Front exhaust pipe

27 - Bracket

• Before installing secure oil supply line

28 - 22 Nm

• Replace

29 - Connecting pipe

• To exhaust gas recirculation cooler

30 - Connecting pipe

• From exhaust gas recirculation cooler