Installing the cylinder head (engine removed)
CAUTION:
Heavy component.
Heavy components can lead to injury or damage.
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 to threads.
Fluids in the threaded hole can damage the thread if screws in it are tightened.
Damage to threads.
Fluids in the threaded hole can damage the thread if screws in it are tightened.
- Dry threaded holes (e.g. using compressed air).
NOTE:
TECHNICAL INFORMATION
Do not remove screw coating.
Do not remove screw coating.
NOTE:
TECHNICAL INFORMATION
When replacing the cylinder head: The complete valve timing and the Valvetronic servomotor are already pre-assembled for new cylinder heads.
When replacing the cylinder head: The complete valve timing and the Valvetronic servomotor are already pre-assembled for new cylinder heads.
- Position the cylinder head (1) on the special tool 0 490 561 (11 0 000)
and on the workshop crane.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.
- Guide in and install the cylinder head (1) carefully using the workshop crane and the special tool 0 490 561 (11 0 000).
- Replace the cylinder head bolts (1) to (10).
Parts: Cylinder head bolts
- Do not wash off the coating on the cylinder head bolts (1) to (10).
- Oil the contact surfaces of the screw heads of cylinder head bolts (1) to (10) lightly.
There must be no coolant, water or engine oil present in the threaded holes of the engine block.
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. - Guide in and install the cylinder head bolts (1) to (10).
- Screw in the cylinder head bolts in the sequence (1) to (10).
- Tighten the cylinder head bolts with the special tools 0 490 504 (00 9 120)
and 0 495 747 (11 8 580)
in the sequence (1) to (10).TIGHTENING TORQUES SPECIFICATION
Cylinder head to crankcase M11
Observe tightening sequence!
Fit new cylinder head bolts.1. Joining torque 30 Nm 2. Angle of rotation 90° 3. Angle of rotation 180° - Tighten the cylinder head bolts in the sequence (1) to (5).TIGHTENING TORQUES SPECIFICATION
Cylinder head bolt to tinning case cover M8x40
Replace screws.Tightening torque 19 Nm - Insert and install the camshaft sensor wheel (3).
- Ensure that the camshaft sensor wheel (3) is correctly positioned on the guide pin (4).
- Affix the intake camshaft with an open-end wrench (1).
- Tighten down screw (2).TIGHTENING TORQUES SPECIFICATION
Camshaft sensor wheel to intake camshaft M6x16 Tightening torque 8 Nm - Position the guide rail (2).
- Replace bearing journal (1).
Parts: Bearing journal
- Thread in the bearing journals (1) and install.
- Make sure that the bearing journal (1) is correctly installed in the guide rail (2).
- Tighten the bearing pin (1) to the guide rail (2).TIGHTENING TORQUES SPECIFICATION
Bearing journal to cylinder head M16x1.5
Replace bearing journal.20 Nm - Insert slide rail (2) and install.
- Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Sliding rail to cylinder head M6x16 Tightening torque 8 Nm - Insert and position the wiring harness section (2) for sensor system 1.
- Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Wiring harness section for sensor system 1 to cylinder head M6X16 Tightening torque 8 Nm - Feed in ground cable (4) and position.
- Tighten down screw (3).TIGHTENING TORQUES SPECIFICATION
Ground cable to cylinder head M6x12 Tightening torque 8 Nm - Feed in and install coolant line (1).
- Insert and install the holder (2).
- Make sure that the lock (1) engages audibly.
- Insert and install the holder (2).
- Tighten down screw (1).
- Connect and lock the coolant line (1) to the cylinder head.
- Make sure that the coolant line (1) engages audibly.
- Connect connector (2) on the coolant temperature sensor and lock.
- Ensure that the connector (2) audibly engages on the coolant temperature sensor.
- Feed in and install coolant line (2).
- Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Coolant line to coolant pump/cylinder head M6x20 Tightening torque 8 Nm - Loosen the screws (1) from the special tool 2 459 012
- Guide the special tool 2 459 012
out and remove.
CAUTION:
Heavy component.
Heavy components can lead to injury or damage.
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 to threads.
Fluids in the threaded hole can damage the thread if screws in it are tightened.
Damage to threads.
Fluids in the threaded hole can damage the thread if screws in it are tightened.
- Dry threaded holes (e.g. using compressed air).
NOTE:
TECHNICAL INFORMATION
Do not remove screw coating.
Do not remove screw coating.
NOTE:
TECHNICAL INFORMATION
When replacing the cylinder head: The complete valve timing and the Valvetronic servomotor are already pre-assembled for new cylinder heads.
When replacing the cylinder head: The complete valve timing and the Valvetronic servomotor are already pre-assembled for new cylinder heads.
- Position the cylinder head (1) on the special tool 0 490 561 (11 0 000)
and on the workshop crane.NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.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.
- Guide in and install the cylinder head (1)carefully using the workshop crane and the special tool 0 490 561 (11 0 000).
- Replace the cylinder head bolts (1) to (8).
Parts: Cylinder head bolts
- Do not wash off the coating on the cylinder head bolts (1) to (8).
- Oil the contact surfaces of the screw heads of cylinder head bolts (1) to (8) lightly.
All the threaded holes in the engine block must not have any coolant, water or engine oil.
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. - Guide in and install the cylinder head bolts (1) to (8).
- Screw in the cylinder head bolts in the sequence (1) to (8).
- Tighten the cylinder head bolts with the special tools 0 490 504 (00 9 120)
and 0 495 747 (11 8 580)
in the sequence (1) to (8).TIGHTENING TORQUES SPECIFICATION
Cylinder head to crankcase M11
Observe tightening sequence!
Fit new cylinder head bolts.1. Joining torque 30 Nm 2. Angle of rotation 90° 3. Angle of rotation 180° - Tighten the cylinder head bolts in the sequence (1) to (5).TIGHTENING TORQUES SPECIFICATION
Cylinder head bolt to timing case cover M8x40
Replace screws.Tightening torque 19 Nm - Insert and install the camshaft sensor wheel (3).
- Ensure that the camshaft sensor wheel (3) is correctly positioned on the guide pin (4).
- Affix the intake camshaft with an open-end wrench (1).
- Tighten down screw (2).TIGHTENING TORQUES SPECIFICATION
Camshaft sensor wheel to intake camshaft M6x16 Tightening torque 8 Nm - Position the guide rail (2).
- Replace bearing journal (1).
Parts: Bearing journal
- Thread in the bearing journals (1) and install.
- Make sure that the bearing journal (1) is correctly installed in the guide rail (2).
- Tighten the bearing pin (1) to the guide rail (2).TIGHTENING TORQUES SPECIFICATION
Bearing journal to cylinder head Bearing journal Replace the bearing journal! Tightening torque 20 Nm - Insert slide rail (2) and install.
- Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Sliding rail to cylinder head M6x16 8 Nm - Insert and position the wiring harness section (2) for sensor system 1.
- Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Wiring harness section for sensor system 1 to cylinder head M6X16 Tightening torque 8 Nm - Feed in ground cable (4) and position.
- Tighten down screw (3).TIGHTENING TORQUES SPECIFICATION
Ground cable to cylinder head M6x12 Tightening torque 8 Nm - Feed in and install coolant line (1).
- Insert and install the holder (2).
- Make sure that the lock (1) engages audibly.
- Connect and lock the coolant line (1) to the cylinder head.
- Make sure that the coolant line (1) engages audibly.
- Connect and lock connector (2) on the coolant temperature sensor.
- Ensure that the connector (2) audibly engages on the coolant temperature sensor.
- Feed in and install coolant line (2).
- Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Coolant line to coolant pump/cylinder head M6x20 Tightening torque 8 Nm NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details. - Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Engine mount to cylinder head M10X45 Tightening torque 41 Nm - Tighten down screws (1).TIGHTENING TORQUES SPECIFICATION
Right engine mount to cylinder head M10
Replace screws.Joining torque 40 Nm Angle of rotation 90° - Disassemble the special tool 2 414 691
with the special tool 2 357 071.
- Loosen the screws (1) from the special tool 2 459 012
- Guide the special tool 2 459 012
out and remove.