Remove exhaust turbocharger
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:
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.
Electrostatic discharge.
Damage to or destruction of electrical components.
- Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
- Read and comply with user information on using the associated special tool 12 7 060.
- Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
- Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
- For additional information see: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .
NOTE:
TECHNICAL INFORMATION
Prior to replacing the exhaust turbocharger: Observe the notes on troubleshooting on the exhaust turbocharger.
Prior to replacing the exhaust turbocharger: Observe the notes on troubleshooting on the exhaust turbocharger.
NOTE:
TECHNICAL INFORMATION
For exhaust turbocharger damage: Check the pressure pipes, charge air cooler and intake plenum for foreign matter, damage and correct functionality.
If the oil return line is exchanged, then the connecting pipe to the oil sump must ALWAYS be cleaned, as the connecting pipe can coke.
For exhaust turbocharger damage: Check the pressure pipes, charge air cooler and intake plenum for foreign matter, damage and correct functionality.
If the oil return line is exchanged, then the connecting pipe to the oil sump must ALWAYS be cleaned, as the connecting pipe can coke.
Preliminary work
- Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
- Refer to REMOVING BOTH FRONT-END STRUTS .
- Refer to REMOVING FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING FAN COWL .
- Refer to REMOVING THE INTAKE FILTER HOUSING (TENSION STRUT ON SHOCK TOWER REMOVED) .
- Refer to REMOVING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
- Refer to REMOVING BOTTOM CLEAN AIR PIPE .
- Refer to REMOVING CHARGE AIR LINE .
- Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
- Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
- Refer to REMOVING THE FRONT THRUST FIELD .
- Refer to REMOVING THE STIFFENING PLATE .
- Refer to REMOVING REAR UNDERBODY PROTECTION .
- Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
- Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
- Refer to CONNECTING THE COOLANT LINE OF HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
- Refer to IF INSTALLED: REMOVING THE TORSION STRUT ON THE RIGHT AND LEFT WHERE REQUIRED .
- Refer to REMOVING THE REAR AXLE COVER .
- Refer to REMOVING THE REAR DIFFUSER .
- Refer to REMOVING COMPLETE EXHAUST SYSTEM .
- Refer to REMOVING CATALYTIC CONVERTER .
- Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
Exhaust turbocharger
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 of the electric wastegate valve controller.
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller.
Damage of the electric wastegate valve controller.
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller.
- Do not pull on the electrical wastegate valve controller or on the coupling rod.
- Apply force only at the turbine housing and exhaust manifold.
- Do not pull on the compressor housing.
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.
- Unlock and loosen coolant line (1) .
- Catch and dispose of leakage coolant.
- Loosen screw (1)
.
- Loosen screw (1) .
- Feed out the oil feed line (2) for the exhaust turbocharger and set it aside.
- Catch and dispose of emerging motor oil.
- Loosen screws (1) and (2) .
- Feed the coolant feed line for the exhaust turbocharger (3) out of the crankcase and place aside.
- Catch and dispose of leakage coolant.
- Loosen screws (1) and (2) .
- Feed out the support (3)
and remove it.
- Unlock and loosen connector (1)
.
- Loosen screws (1) .
- Feed out and remove the heat shield (2)
.
- Release the nuts (1) .
- Loosen screws (2) .
Follow-up work
- Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
- Refer to INSTALLING CATALYTIC CONVERTER .
- Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
- Refer to INSTALLING THE REAR DIFFUSER .
- Refer to INSTALLING THE REAR AXLE COVER .
- Refer to IF INSTALLED: INSTALLING THE TORSION STRUT ON THE RIGHT, AND ON THE LEFT WHERE REQUIRED .
- Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
- Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
- Refer to INSTALLING LAMBDA OXYGEN SENSOR .
- Refer to INSTALLING CHARGE AIR LINE .
- Refer to INSTALLING BOTTOM CLEAN AIR PIPE .
- Refer to INSTALLING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
- Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
- Refer to INSTALLING FAN COWL .
- Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
- Refer to INSTALLING FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
- Refer to INSTALLING BOTH FRONT-END STRUTS .
- Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
- Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to CHECKING ENGINE OIL LEVEL .
- Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
- Refer to INSTALLING THE STIFFENING PLATE .
- Refer to INSTALLING FRONT STIFFENING PLATE .
- Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
- Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
- Refer to INSTALLING REAR UNDERBODY PROTECTION .
- Refer to INSTALLING ACOUSTIC COVER .
- Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
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.
- Guide out and remove the exhaust turbocharger (1) .
- Guide out and remove gaskets (1) .