Installing the right cylinder head
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.
CAUTION:
Swirling dirt particles caused by compressed air.
Injury hazard!
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.
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.
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.
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.
- Check the fitting sleeves (1)
for correct seating and damage and replace if necessary.
- Close oil hole in the area (1)
with a classification B plug from the set of special tools 2 364 711
.
- Clean sealing surface (1) with special tool 0 495 103 (11 4 471) from set of special tools 0 495 102 (11 4 470)
.
- Clean sealing surface (1) with special tool 0 495 104 (11 4 472) from set of special tools 0 495 102 (11 4 470)
.
- 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.
- Clean sealing surface (1) with special tool 0 495 103 (11 4 471) from set of special tools 0 495 102 (11 4 470)
.
- Clean sealing surface (1) with special tool 0 495 104 (11 4 472) from set of special tools 0 495 102 (11 4 470)
.
- 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.
NOTE:
TECHNICAL INFORMATION
The work must be performed with vehicle care to prevent component damage.
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.
NOTE:
TECHNICAL INFORMATION
The work must be performed with vehicle care to prevent component damage.
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).
Tightening right cylinder head
Tightening the right cylinder head
- 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)
.
- Secure the screws (1) to the timing case cover.
TIGHTENING TORQUE SPECIFICATIONS
| Cylinder head bolt to timing case cover | ||
|---|---|---|
| M8x30 | tightening torque | 23 Nm |
- Replace sealing ring (1)
.
Parts: Sealing ring
- Position sealing ring (1)
on the bearing bolt (2)
.
- 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 |
- Clip in the line (2)
in area (1)
in the holder.
- Connect the quick-release coupling (1)
and lock.
- Connect and lock the plug connection (1)
of the throttle valve.
- 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.
- 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 |
Follow-up work
- Refer to INSTALLING BOTH RIGHT VANOS ADJUSTERS .
- Refer to REMOVING THE SPECIAL TOOL TO PRETENSION THE TIMING CHAIN AT CYLINDER BANK 1 .
- Refer to INSTALLING THE HYDRAULIC CHAIN TENSIONER OF CYLINDER BANK 1 .
- Refer to INSTALLING THE SEALING CAP ON THE CYLINDER HEAD OF CYLINDER BANK 1 .
- Refer to INSTALLING THE CYLINDER HEAD COVER ON THE RIGHT .
- Refer to INSTALLING VANOS SOLENOID ACTUATOR, EXHAUST OF CYLINDER BANK 1 .
- Refer to INSTALLING THE VANOS SOLENOID ACTUATOR INTAKE OF CYLINDER BANK 1 .
- Refer to INSTALLING RIGHT HIGH PRESSURE PUMP .
- Refer to INSTALLING FUEL DELIVERY LINE .
- Refer to INSTALLING THE INJECTORS FOR THE CYLINDERS 1 TO 4 .
- Refer to INSTALLING THE RIGHT HIGH-PRESSURE RAIL .
- Refer to INSTALLING THE IGNITION COILS OF CYLINDERS 1 AND 5 .
- Refer to INSTALLING IGNITION COILS OF CYLINDER BANK 1 .
- Refer to PARTIALLY INSTALLING THE GUIDE TUBE FOR THE OIL DIPSTICK .
- Refer to INSTALLING FRONT HEAT SHIELD .
- Refer to INSERTING THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 5 TO 8 .
- Refer to INSTALLING THE EXHAUST TURBOCHARGER FOR THE CYLINDERS 1 TO 4 .
- Refer to INSTALLING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
- Refer to INSTALLING CLEAN AIR PIPE OF CYLINDER BANK 1 .
- Refer to INSTALLING BOTH CHARGE AIR COOLERS .
- Refer to CONNECTING THE RIGHT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
- Refer to CONNECTING THE LEFT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
- Refer to CLOSING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT (CHARGE AIR COOLER) .
- Refer to SEALING OFF COOLANT FOR LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
- Refer to INSTALLING FRONT UNDERBODY PROTECTION .
- Refer to INSTALLING THE BOTTOM FRONT RIGHT SIDE COVER .
- Refer to INSTALLING BOTTOM FRONT COVER FROM THE SIDE .
- Refer to INSTALLING DRIVE BELT .
- Refer to INSTALLING FAN COWL .
- Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
- Refer to INSTALLING UPPER CROSS CONNECTION .
- Refer to INSTALLING BOTH FRONT-END STRUTS .
- Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
- Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 5 TO 8 .
- Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 1 TO 4 .
- Refer to RELEASING THE HEAT SHIELD .
- Refer to INSTALLING THE CENTER COWL UPPER PART .
- Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
- Refer to ATTACHING WINDSHIELD PANEL COVER .
- Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
- Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
- Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
- Refer to INSTALLING RIGHT HEAT SHIELD .
- Refer to INSTALLING LEFT HEAT SHIELD .
- Refer to INSTALLING HEAT SHIELD, TOP .
- Refer to INSTALLING THE RIGHT OXYGEN SENSOR MONITOR .
- Refer to INSTALLING THE LEFT OXYGEN SENSOR MONITOR .
- Refer to PARTIALLY INSTALLING THE RIGHT LAMBDA OXYGEN SENSOR .
- Refer to PARTIALLY INSTALLING THE LEFT LAMBDA OXYGEN SENSOR .
- Refer to INSTALLING THE RETAINING BRIDGE IN VEHICLES WITH A GASOLINE PARTICULATE FILTER .
- Refer to INSTALLING THE RETAINING BRIDGE .
- Refer to INSTALLING EXHAUST SYSTEM .
- Refer to INSTALLING CENTER STIFFENING PLATE .
- Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .
- Refer to INSTALLING REAR BUMPER PANEL .
- Refer to INSTALLING THE CONTROL UNIT BRACKET FOR CYLINDERS 5 TO 8 .
- Refer to INSTALLING THE COVER OF THE LEFT DME CONTROL UNIT .
- Refer to INSTALLING CONTROL UNIT HOLDER FOR CYLINDERS 1 TO 4 .
- Refer to INSTALLING THE COVER OF THE RIGHT DME CONTROL UNIT .
- Refer to INSTALLING BOTH EXHAUST COVERS .
- Refer to INSTALLING THE REAR BUMPER TRIM .
- Refer to INSTALLING THE REAR DIFFUSER .
- Refer to INSTALLING THE TAIL LIGHT ON THE LEFT AND RIGHT SIDE PANELS .
- Refer to INSTALLING COVER FOR WATER CHANNEL ON LEFT AND RIGHT .
- Refer to INSTALLING THE LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL ON THE LEFT AND RIGHT (PARTIALLY REMOVED) .
- Refer to INSTALLING LOADING EDGE TRIM .
- Refer to INSTALLING LUGGAGE COMPARTMENT FLOOR COVERING .
- Refer to CONNECTING ALL BATTERY GROUND LEADS .
- Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .