Remove exhaust turbocharger
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 PROTECTION (ELECTRO STATIC DISCHARGE) .
Preliminary work
- Refer to BRING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING RIGHT FRONT-END STRUT .
- Refer to REMOVING INTAKE SILENCER HOUSING .
- 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 .
- Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
- Refer to REMOVING THE FRONT RIGHT LOWER WHEEL ARCH COVER .
- Refer to DRAINING THE COOLANT FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to CONNECTING THE COOLANT LINE TO THE RADIATOR .
- Refer to REMOVING TANK COVER ON LEFT AND RIGHT .
- Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
- Refer to REMOVING EXHAUST SYSTEM .
- Refer to REMOVING CATALYTIC CONVERTER .
- Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
- Refer to REMOVING THE FRONT SECTION OF THE COOLANT RETURN LINE .
- Refer to REMOVING THE COOLANT FEED LINE (COOLANT RETURN LINE IS REMOVED) .
- Refer to REMOVING HEAT SHIELD FOR CYLINDER HEAD COVER .
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.
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.
NOTE:
TECHNICAL INFORMATION
If the exhaust turbocharger is damaged, it is imperative to observe the additional information.
If the exhaust turbocharger is damaged, it is imperative to observe the additional information.
- Unscrew the guide pin (1).
- Unlock plug connection (1) and disconnect.
- Loosen screw (1).
- Release screw (2) and remove the support.
- Loosen screw (1).
- Detach oil feed line from engine block.
- Install the special tool 2 446 919 on the exhaust turbocharger and secure it with the bolt (1).
- Make sure that the special tool 2 446 919
is flush with the exhaust turbocharger in the marked area.
- Secure the special tool 2 446 919 by turning the clamping lever (1) in the direction of the arrow.
NOTE:
The clamping lever that is shown in the graphic is already in its end position.
- Position the holder (1) and fasten it with the bolt (2).
NOTE:
Holder 1 is used for the final mounting of the special tool 2 446 919.
- Position the retainer (1) and secure it with the nuts (2).
TIGHTENING TORQUES SPECIFICATION
| U bolt to special tool 2 919 (446) | ||
| The tightening torque must be observed! Risk of damage to the exhaust manifold! | Tightening torque | 1 Nm |
- Position the retainer (1) and secure it with the nuts (2).
TIGHTENING TORQUES SPECIFICATION
| U bolt to special tool 2 919 (446) | ||
| The tightening torque must be observed! Risk of damage to the exhaust manifold! | Tightening torque | 1 Nm |
- Release nuts in the order (7) till (1) in semicircular pattern.
- Secure exhaust turbocharger against falling down.
- Remove the sliding rail (1).
NOTE:
TECHNICAL INFORMATION
Do not damage the thermal compensating elements. Disassembly and installation including intermediate storage of the exhaust turbocharger is only permitted with mounted special tool 2 466 919.
Do not damage the thermal compensating elements. Disassembly and installation including intermediate storage of the exhaust turbocharger is only permitted with mounted special tool 2 466 919.
- Thermal compensating element of the exhaust turbocharger (1) or exhaust manifold should not be bent or deformed.
- Carefully guide out and remove the exhaust turbocharger (1).