Installing the right cylinder head

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

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

CAUTION: Swirling dirt particles caused by compressed air.
Injury hazard!

Collect dirt particles, e.g. when blowing out, use cloth to do so.
Wear safety goggles.

NOTE: RISK OF DAMAGE
Damage to guide rails.
The application of great force can damage the guide rails of the timing chain.

When removing and installing the cylinder head, make sure that the cylinder head does not damage the guide rail.

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.

NOTE: TECHNICAL INFORMATION
When assembling, it is essential to observe screwing sequences and tightening torques.
Failure to comply with the regulations can lead to leaks and damage.

Check whether there are fluids and foreign materials in the cylinder bores (1) , remove the fluids and foreign materials if necessary.

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Check the fitting sleeves (1) for correct seating and damage and replace if necessary.

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Close oil hole in the area (1) with a classification B plug from the set of special tools 2 364 711 .

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Clean sealing surface (1) with special tool 0 495 103 (11 4 471) from set of special tools 0 495 102 (11 4 470) .

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Clean sealing surface (1) with special tool 0 495 104 (11 4 472) from set of special tools 0 495 102 (11 4 470) .

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Clean bores of cylinder head bolts (1) with compressed air.
If there are foreign bodies or fluids in the holes, there is a risk that the tightening torque values will be incorrect.

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Clean sealing surface (1) with special tool 0 495 103 (11 4 471) from set of special tools 0 495 102 (11 4 470) .

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Clean sealing surface (1) with special tool 0 495 104 (11 4 472) from set of special tools 0 495 102 (11 4 470) .

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Replace cylinder head gasket (1) .
Parts: Cylinder head gasket
Replace screws.
Parts: Screws
Position cylinder head gasket (1) on the fitting sleeves on the engine block.
If the cylinder head was reworked, a thicker cylinder head gasket must be installed.

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NOTE: TECHNICAL INFORMATION
The work must be performed with vehicle care to prevent component damage.
Attach the special tool 0 490 561 (11 0 000) on the retaining tab (1) and on the special tool 0 494 116 (11 8 352) from the set of special tools 0 493 997 (11 8 350) .
Position cylinder head with a workshop crane.

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NOTE: TECHNICAL INFORMATION
The work must be performed with vehicle care to prevent component damage.
Carefully feed in and install the cylinder head with a workshop crane and three support persons.
When inserting and installing the cylinder head (1) ensure that the slide rails and the timing chains (2) are not damaged.
Detach the special tool 0 490 567 (11 0 020) on the retaining tab (1) and on the special tool 0 494 116 (11 8 352) from the set of special tools 0 493 997 (11 8 350) .

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Tightening right cylinder head

Tightening the right cylinder head

Fig 1: Right Cylinder Head Screws Tightening Sequence
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Tighten screws in the order (1) to (10) .

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head bolt
M11 Replace screws.	Joining torque	30 Nm
	1. Angle of rotation	90°
	2. Angle of rotation	140°

Detach the special tool 0 490 567 (11 0 020) on the engine mounting bracket and on the special tool 0 494 116 (11 8 352) from the set of special tools 0 493 997 (11 8 350) .
Loosen screw (1) .
Remove the special tool 0 494 116 (11 8 352) from the set of special tools 0 493 997 (11 8 350) (2) from the support (3) .

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Secure the screws (1) to the timing case cover.

TIGHTENING TORQUE SPECIFICATIONS

Cylinder head bolt to timing case cover
M8x30	tightening torque	23 Nm

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Replace sealing ring (1) .
Parts: Sealing ring
Position sealing ring (1) on the bearing bolt (2) .

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Position the slide rail.

Tighten the screw (1) of the slide rail on the cylinder head of cylinder bank.

TIGHTENING TORQUE SPECIFICATIONS

Slide rail to cylinder head
Bearing screw	Tightening torque	25 Nm

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Clip in the line (2) in area (1) in the holder.

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Connect the quick-release coupling (1) and lock.

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Connect and lock the plug connection (1) of the throttle valve.

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Connect the connector (1) to the pressure sensor on the intake plenum and lock it audibly.
Connect the connector (2) to the servomotor and lock audibly.

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Install the heat shield (2) on the rear of the cylinder head.

Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Heat protection plate
M6x16	tightening torque	10 Nm

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