FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Turbocharger and Components Overview






Turbocharger and Components Overview

Particulate filter with NOx absorption catalyst overview. Refer to => [ Particulate Filter with NOx Reduction Catalytic Converter Overview ] Particulate Filter With NOx Reduction Catalytic Converter Overview.






1 Bolt

8 Nm

2 Warm Air Collector Plate

For the warm air connecting hose (- item 12 - in the=> [ Air Filter Housing Overview ] Air Filter Housing Overview) on the air filter housing.

3 Bolt

10 Nm

4 Oil Supply Line

22 Nm

Do not change the angles of the oil supply line.

Install without tension.

From the oil filter adapter.

Removing and installing, refer to => [ Turbocharger Oil Supply Line ] Service and Repair.

Before installing, check the oil supply line for clear passage.

Fill with engine oil before installing the turbocharger oil supply line to the connections.

5 Vacuum Hose

Make sure it is seated correctly and is routed free of kinks.

To the wastegate bypass regulator valve.

Vacuum hose connection diagram. Refer to => [ Vacuum System Overview ] Vacuum System Overview.

6 Vacuum Diaphragm

With the charge pressure actuator position sensor.

Unit with the turbocharger/exhaust manifold (cannot be replaced separately).

7 Heat Shield

Replace if damaged.

8 Heat Shield

9 Bracket

For the wiring harness.

10 Seal

Always replace.

11 Clamp

7 Nm

Always replace.

Note the installed position, refer to => [ Particulate Filter with NOx Reduction Catalytic Converter Overview ] Particulate Filter With NOx Reduction Catalytic Converter Overview.

12 to the Particulate Filter

See, => [ Particulate Filter with NOx Reduction Catalytic Converter Overview ] Particulate Filter With NOx Reduction Catalytic Converter Overview.

13 Gasket

Always replace.

Pay attention to the installed position.

14 Turbocharger

Unit with the exhaust manifold and vacuum diaphragm (cannot be replaced separately).

Removing and installing, refer to => [ Turbocharger ] Turbocharger.

15 Nut

23 Nm

Always replace.

Coat the stud bolts in the cylinder head with hot bolt paste (G 052 112 A3).

16 Heat Shield

17 Stud Bolt

20 Nm

18 Nut

23 Nm

Installed on the stud bolt (- item 17 -) on the turbocharger.

19 Nut

23 Nm

Secures the control line and the heat shield (- item 16 -) to the cylinder head studs.

20 Control Line

23 Nm

Do not change the angles of the control line.

Between the Exhaust Gas Recirculation (EGR) housing (- item 16 - in the => [ Exhaust Gas Recirculation System Component Overview ] Service and Repair) and the exhaust pressure sensor 2 (- item 1 - in the => [ Particulate Filter with NOx Reduction Catalytic Converter Overview ] Particulate Filter With NOx Reduction Catalytic Converter Overview.

To loosen at the housing (- item 16 - in the => [ Exhaust Gas Recirculation System Component Overview ] Service and Repair) remove the EGR filter (- item 9 - in the => [ Exhaust Gas Recirculation System Component Overview ] Service and Repair).

Install without tension.

21 EGR Filter

For the EGR system.

See - item 9 - in the => [ Exhaust Gas Recirculation System Component Overview ] Service and Repair.

22 Support

For the turbocharger.

23 Seal

Always replace.

24 Banjo Bolt

60 Nm

Always replace.

25 O-ring

Always replace.

26 Oil Return Line

Install without tension.

27 Bolt

15 Nm

28 Damper

To the hot side upper charge air (- item 13 - in the => [ Charge Air System Components Overview ] Service and Repair).

29 Connecting Pipe


Make sure the connecting pipe coupling element does not bend or stretch. Cracks could develop.

Between the exhaust manifold/turbocharger and the EGR valve.

Always replace.

Install without tension.

30 Nut

20 Nm

Coat the stud bolts on the exhaust manifold/turbocharger with hot bolt paste (G 052 112 A3).

31 Connecting Pipe

From the EGR housing (- item 16 - in the => [ Exhaust Gas Recirculation System Component Overview ] Service and Repair.

To remove and installing, also loosen the connecting piece (- item 33 - on the turbocharger.

32 Seal

Replace if damaged.

33 Adapter

34 O-ring

Replace if damaged.

35 Adapter

Make sure it is secure.

Clean if there are contaminants.

From the intake hose (- item 1 - in the => [ Air Filter Housing Overview ] Air Filter Housing Overview) to the air filter housing.

With the positive crankcase ventilation heating element.

Removing:

- Disconnect the crankcase ventilation hose at the adapter.

The crankcase ventilation hose is destroyed when it is removed.

- Remove the bolt - item 36 -.

- Rotate the adapter clockwise and remove it from the connecting piece - item 33 -.

Installing:

- Clean the adapter. It must be free of oil and grease.

- Slide the adapter onto the connecting piece - item 33 - and rotate it counterclockwise until it engages.

- Tighten the bolt - item 36 -.

- Install a new crankcase ventilation hose.

36 Bolt

8 Nm

37 Exhaust Gas Temperature Sensor 1 (G235)

45 Nm

Note the installed position, refer to => [ Installed Position of the Exhaust Gas Temperature Sensor with Angled Shaft ].

Coat only the threads with hot bolt paste (G 052 112 A3).

Installed Position of the Exhaust Gas Temperature Sensor with Angled Shaft





Always adhere to dimension - a - 3 to 5 mm to the threaded connection on the turbocharger support when installing the exhaust gas temperature sensor with an angled shaft.