Installing the exhaust turbocharger (cylinder head removed)

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

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

TECHNICAL DATA SPECIFICATIONS

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

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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.

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• Clean the sealing surfaces (1)  on the cylinder head using special tool 0 495 102 (11 4 470) .
• Replace gaskets.

  Parts:  Seals

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• Position the seals (1)  on the cylinder head.
• Make sure the seals (1)  are positioned correctly.

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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 on the exhaust turbocharger (1) using special tool  0 495 102 (11 4 470)  .

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• Insert and install the exhaust turbocharger (1)  .
• Protect the exhaust turbocharger (1)  from falling.

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• When replacing nut (1)  , use the changed version of nut (2)  .

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• Replace nuts (1)  .

  Parts:  Nuts

• Insert the nuts (1)  .
  NOTE: Insert nuts in 360 degree increments.
• Tighten nuts (1)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Exhaust turbocharger to cylinder head
  M7 Replace nuts.	1. Snug torque	5 Nm
  	2. Tightening torque	18 Nm
  	3. Tightening torque	18 Nm

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• Feed in and install the heat shield (2)  .
• Replace screws (1)  .

  Parts:  Screws

• Tighten down screws (1)  .

TIGHTENING TORQUE SPECIFICATIONS

Heat shield of exhaust turbocharger to cylinder head top
M8X12 Replace screws.	tightening torque	19 Nm

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