Installing turbocharger

CAUTION: Heavy component .
Heavy components can lead to injury or damage .

Remove and install heavy components with the aid of another person/other persons.

NOTE: RISK OF DAMAGE
Damage of the electric wastegate valve controller .
Excessive force when removing and installing a jammed turbocharger may damage the electric wastegate valve controller .

Do not pull on the electrical wastegate valve controller or on the coupling rod.
Apply force only at the turbine housing and exhaust manifold.
Do not pull on the compressor housing.

NOTE: TECHNICAL INFORMATION
Do not damage the thermal compensating elements. Disassembly and installation including intermediate storage of the turbocharger is only permitted with mounted special tool 2 466 919.

Check screw-in depth (A) of upper stud bolts (1).

TECHNICAL DATA SPECIFICATION

Screw-in depth of upper stud bolts on cylinder head
Dimension A	30 mm

If necessary, screw in or unscrew the stud bolts further.

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NOTE:
RISK OF DAMAGE
Damage to the surface .
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage .
- Do not use any metal-cutting tools.
Clean the sealing surfaces (1) on the cylinder head using special tool 0 495 102 (11 4 470) .

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Replace the seal (1).
Parts: Seal
Feed in the seal (1) in the marked area and install.

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NOTE:
RISK OF DAMAGE
Damage to the surface .
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage .
- Do not use any metal-cutting tools.
Clean the sealing surfaces (1) on the exhaust turbocharger using special tool 0 495 102 (11 4 470) .

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CAUTION:
Heavy component .
Heavy components can lead to injury or damage .
- Remove and install heavy components with the aid of another person/other persons.
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Insert and install the turbocharger (1).
Thermal compensating element of the turbocharger (1) or the exhaust manifold should not be bent or deformed.
Feed in and install the shifting strip (1).
Install the sliding rail (1) in such a way that the part number is visible .

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Tighten the nuts in the sequence (1) to (7).

TIGHTENING TORQUE SPECIFICATION

Exhaust manifold to cylinder head
Flange nut M7	Replace flange nuts 1. Joining torque	10 Nm
	2. Joining torque	10 Nm
	3. Joining torque	16 Nm
	4. Joining torque	16 Nm
	5. Joining torque	16 Nm

Fig 1: Exhaust Manifold To Cylinder Head Nuts Tightening Sequence

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Ensure that thermal compensating elements (A) are not damaged.
Loosen nuts (1) and (2).
Guide out the special tool 2 466 467 on the turbocharger (3) and remove.

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Release the nuts (1) and (2).
Guide out the special tool 2 466 467 on the turbocharger (3) and remove.

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Loosen screw (2).
Feed out the bracket (1) of the special tool 2 446 919 and set it aside.

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Release clamping lever (1) of special tool 2 446 919 in the arrow direction .

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Loosen screw (1).
Guide out the special tool 2 446 919 on the turbocharger and remove.

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Replace the sealing rings (1) on the coolant feed line (2) for the turbocharger using the special tool 0 496 714 (00 9 030) .
Parts: Sealing ring

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Feed in and install the coolant feed line for the turbocharger (3).

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATION

Coolant feed line to crankcase
M6X12	tightening torque	8 Nm

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Tighten down screw (2).

TIGHTENING TORQUE SPECIFICATION

Coolant feed line to crankcase
M6X12	tightening torque	8 Nm

Replace screws (1) and (2).
Parts: Screws
Feed in and install support (3).

Tighten down screws (2).

TIGHTENING TORQUE SPECIFICATION

Exhaust turbocharger support to crankcase
M8x20 Replace screws.	19 Nm

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Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATION

Exhaust turbocharger to support
M8x25 Replace screw.	19 Nm

Replace the sealing rings (1) at the oil feed line (2) for the turbocharger using the special tool 0 496 714 (00 9 030) .
Parts: Sealing ring

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Feed in and install the oil feed line (2) for the turbocharger.

Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATION

Oil feed line for exhaust turbocharger to crankcase
M6x12 Replace sealing ring	tightening torque	8 Nm

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Tighten screw (1) on the coolant return line (2).

TIGHTENING TORQUE SPECIFICATION

Coolant return line holder to crankcase
M6X12	tightening torque	8 Nm

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Connect and lock the coolant return line (1) to the coolant pump (2) for the turbocharger.
The coolant return line (1) must engage audibly.

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Feed in and install the heat shield (2).