Removing the cylinder head cover
WARNING:
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
- All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
- For additional information see:
- For additional information see:
Preliminary work
- Refer to REMOVING THE FLAP IN THE RIGHT-HAND LUGGAGE COMPARTMENT TRIM PANEL .
- Refer to DE-ENERGIZING THE HIGH-VOLTAGE SYSTEM .
- Refer to CHECKING THAT NO VOLTAGE IS APPLIED .
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE .
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE OF THE VEHICLE BATTERY .
- Refer to REMOVING THE RIGHT COVER IN THE ENGINE COMPARTMENT .
- Refer to REMOVING THE COVER IN THE LEFT ENGINE COMPARTMENT .
- Refer to REMOVING BOTH WIPER ARMS .
- Refer to REMOVING COWL PANEL COVER .
- Refer to REMOVING TRAILING LINK AT TENSION STRUT TOWER .
- Refer to REMOVING THE SOUND INSULATION ON THE BULKHEAD UPPER PART AT THE CENTER .
- Refer to REMOVING THE LOWER RIGHT ENGINE BULKHEAD .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING CORROSION PROTECTION COVER .
- Refer to REMOVING BOTH ACTUATORS .
- Refer to REMOVING IGNITION COILS .
- Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
- Refer to REMOVING FUEL DELIVERY LINE .
- Refer to REMOVING THE INJECTORS .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
- Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
- Refer to REMOVING BOTH COOLANT EXPANSION TANKS .
- Refer to REMOVING INTAKE SILENCER HOUSING .
- Refer to REMOVING CLEAN AIR PIPE .
- Refer to REMOVING CHARGE AIR LINE .
- Refer to REMOVING ACOUSTIC COVER AT FRONT .
- Refer to REMOVING THE AUXILIARY COOLANT PUMP OF THE EXHAUST TURBOCHARGER .
- Refer to REMOVING FRONT ENGINE ENCAPSULATION .
Bolts of the cylinder head cover
1-15 Bolts of the cylinder head cover
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
- Have a rag ready and make sure that no motor oil drips onto the belt drive.
- Loosen screw (1).
- Detach the oil feed line (2).
- Unlock and detach the engine wiring harness (1)
in the highlighted areas.
- Unhook the two oxygen sensor cables (1) in the marked areas.
- Detach the positive battery cable (2)
in the highlighted area.
- Unlock both plug connections (1) and disconnect.
- Unlock and pull off the engine ventilation line (2).
- Detach the engine wiring harness (3)
in the highlighted area.
- Loosen both oxygen sensor connectors (1) from the carrier plate.
- Release screw (2) and keep the carrier plate aside.
- Detach the cables in the marked areas.
- Detach the engine wiring harness (3) in the highlighted area.
- Release screw (4)
and keep the fuel supply line aside.
- Release the screws in the order from (15) to (1).
- Remove cylinder head cover.