Remove right cylinder head
WARNING:
Working on 12 V electrical system.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
WARNING:
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Observe safety instructions on raising the vehicle using a vehicle hoist.
- For additional information see: 00... RAISING THE VEHICLE WITH A VEHICLE LIFT .
CAUTION:
Refrigerant circuit under high pressure.
Injury hazard!
Injury hazard!
- Note and follow safety instructions on containers.
- Avoid contact with refrigerant; wear safety goggles and hand protection.
- For additional information see: 64 50 SAFETY INSTRUCTIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A and 64 50 NOTES FOR REPAIR WORK ON AIR CONDITIONING .
NOTE:
RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS).
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults.
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS).
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults.
- Detach battery terminal from battery pole. Do not pry off using a tool.
NOTE:
RISK OF DAMAGE
Careless handling of tools and sharp-edged components.
Scratches, surface damage.
Careless handling of tools and sharp-edged components.
Scratches, surface damage.
- Protect working area.
- Handle tools and components carefully.
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE WHEEL .
- Refer to REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
- Refer to REMOVING THE LEFT COVER IN THE ENGINE COMPARTMENT and REMOVING THE TOP RIGHT COVER IN THE ENGINE COMPARTMENT .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING UPPER CROSS CONNECTION .
- Refer to REMOVING THE FRONT-END STRUT .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING THE INTAKE FILTER HOUSING ON THE LEFT .
- Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
- Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
- Refer to PARTIALLY DETACHING ACTIVATED CARBON FILTER LINE .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 5 TO 8 .
- Refer to REMOVING THE LEFT INTAKE SILENCER BRACKET .
- Refer to REMOVING THE LEFT UNFILTERED-AIR DUCT .
- Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
- Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
- Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 1 TO 4 .
- Refer to REMOVING THE RIGHT INTAKE SILENCER BRACKET .
- Refer to REMOVING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
- Refer to REMOVING THE CROSS OF THE TRANSMISSION WIRING HARNESS .
- Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
- Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
- Refer to REMOVING UPPER HEAT SHIELD .
- Refer to REMOVING UPPER CATALYTIC CONVERTER NEAR ENGINE FROM CYLINDER BANK 1 .
- Refer to REMOVING THE CATALYTIC CONVERTER NEAR THE ENGINE AT TOPPING OF CYLINDER BANK 2 .
- Refer to REMOVING THE LEFT AND RIGHT EXHAUST TURBOCHARGER .
- Refer to REMOVING FRONT HEAT SHIELD .
- Refer to REMOVING HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 1 TO 4 .
- Refer to REMOVING HEAT SHIELD OF CYLINDER HEAD COVER OF CYLINDERS 5 TO 8 .
- Refer to REMOVING BOTH EXHAUST MANIFOLDS .
- Refer to REMOVING HEAT SHIELD AT BOTTOM .
- Refer to REMOVING OIL FILLER NECK .
- Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
- Refer to REMOVING THE FAN COWL .
- Refer to REMOVING COVER FOR THE DME CONTROL UNIT ON LEFT .
- Refer to REMOVING THE DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
- Refer to REMOVING THE HOLDER FOR THE DME CONTROL UNIT ON THE LEFT .
- Refer to REMOVING SAFETY PRESSURE SWITCH .
- Refer to DISCONNECTING REFRIGERANT LINE ON THE CONNECTING PIECE .
- Refer to REMOVING THE PRESSURE LINE BETWEEN THE EVAPORATOR AND THE AIR CONDITIONING CONDENSER .
- Refer to REMOVING DRIVE BELT .
- Refer to REMOVING THE ALTERNATOR .
- Refer to REMOVING THE CROSS OF THE TRANSMISSION WIRING HARNESS .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE WHEEL ARCH COVER AT THE BOTTOM FRONT LEFT AND BOTTOM RIGHT .
- Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
- Refer to DRAINING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to REMOVING LEFT AND RIGHT CHARGE AIR COOLER .
- Refer to REMOVING LEFT THROTTLE VALVE ASSEMBLY .
- Refer to REMOVING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND HEAT EXCHANGER PARTIALLY .
- Refer to REMOVING IGNITION COIL OF CYLINDER BANK 1 .
- Refer to REMOVING THE IGNITION COILS OF CYLINDERS 5 AND 6 .
- Refer to REMOVING HIGH PRESSURE RAIL AT CYLINDER BANK 1 .
- Refer to RELEASING THE COOLANT LINE FOR THE EXHAUST TURBOCHARGER .
- Refer to PARTIALLY RELEASING FUEL FEED LINE .
- Refer to REMOVING FUEL DELIVERY LINE .
- Refer to REMOVING HEAT SHIELD OF THE CRANKCASE VENTILATION FOR CYLINDERS 1 TO 4 .
- Refer to REMOVING RIGHT HIGH-PRESSURE PUMP .
- Refer to PARTIALLY RELEASING THE WIRING HARNESS SECTION FOR THE INTEGRATED POWER SUPPLY MODULE .
- Refer to REMOVING WIRING HARNESS SECTION FOR THE IGNITION SYSTEM OF CYLINDER BANK 1 .
- Refer to REMOVING RIGHT CYLINDER HEAD COVER .
- Refer to REMOVING THE SEALING CAP ON THE CYLINDER HEAD OF THE CYLINDER BANK 1 .
- Refer to REMOVING THE BELT PULLEY ON THE TORSIONAL VIBRATION DAMPER .
- Refer to MOVING THE CRANKSHAFT INTO THE INSTALLATION POSITION OF CYLINDER BANK 1 .
- Refer to CHECKING THE VANOS ADJUSTER OF CYLINDER BANK 1 .
- Refer to RELIEVING THE CHAIN TENSIONER AT CYLINDER BANK 1 FOR CHECKING OR SETTING THE VALVE TIMINGS .
- Refer to REMOVING HYDRAULIC CHAIN TENSIONER OF CYLINDER BANK 1 .
- Refer to PRELOADING THE TIMING CHAIN OF CYLINDER BANK 1 .
- Refer to SECURING THE ENGINE IN INSTALLATION POSITION AT CYLINDER 1 .
- Refer to INSTALLING THE SPECIAL TOOL TO SECURING THE CAMSHAFTS OF CYLINDER BANK 1 .
- Refer to REMOVING BOTH RIGHT VANOS ADJUSTERS .
- Refer to REMOVING THE SPECIAL TOOL TO PRETENSION THE TIMING CHAIN AT CYLINDER BANK 1 .
Prepare special tool (8.5 mm diameter)
- Prepare the special tool 0 494 116 (11 8 352) from the set of special tools 0 493 997 (11 8 350) in a vice.
- Mark special tool 0 494 116 (11 8 352) in area (A) = 50 mm.
- Set a punch in the center of the marked area.
- Drill a hole with a diameter of 8.5 mm.
- Loosen hose clamp (1) .
- Remove coolant hose.
- Release the wiring harness mountings (1) below the intake system.
Remove both exhaust manifolds
- Loosen screws (1) .
- Remove exhaust manifold (2)
.
- Loosen screws (1) .
- Remove exhaust manifold (2)
.
- Remove gaskets (1) .
Release the cylinder head bolt at the timing case cover
- Release the screws (1) the timing case cover.
Unscrew the screw of the slide rail on the cylinder head of cylinder bank 1
- Release screw (1) of the slide rail on the cylinder head of the cylinder bank.
NOTE:
RISK OF DAMAGE
Damage of the engine and installed parts.
Non-compliance with the instructions for mounting and disassembly may lead to damage to the engine and installed parts.
Damage of the engine and installed parts.
Non-compliance with the instructions for mounting and disassembly may lead to damage to the engine and installed parts.
- Comply with the regulations for the installation and disassembly.
- Perform work with vehicle care.
- Position the special tool 0 494 116 (11 8 352) (4) from the set of special tools 0 493 997 (11 8 350) in such a way that the special tool 0 494 116 (11 8 352) (4) is located on the cylinder head in the area (3) of centering sleeve on the drilled hole.
- Use standard nuts M8 (2) as distance element to protect the blind holes in the cylinder head.
- Use standard nuts M8 (2) as distance element to protect the centering sleeve in the cylinder head from deformation.
- Hand-tighten the screw (1) of the cylinder head cover.
Loosen right cylinder head
Releasing the right cylinder head
- Loosen screws (1) to (10) .
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 0 490 567 (11 0 020) on the retaining tab (1) and on the special tool 0 494 116 (11 8 352) from the special tool kit 0 493 997 (11 8 350). NOTE: TECHNICAL INFORMATION
The work must be performed with vehicle care to prevent component damage. - Make sure the tensioning rails and slide rails move freely.
Risk of breakage.
- Carefully lift the cylinder head using a workshop crane.
- Turn the cylinder head to the V-area and feed out.
- Remove cylinder head gasket (1) .