Replacing front crankshaft seal
NOTE:
DANGER
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
High-voltage system.
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:
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:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVE RESONATOR .
- Refer to REMOVE CHARGE AIR LINE .
- Refer to REMOVING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
- Refer to REMOVING THE DRIVE BELT FOR COOLANT PUMP .
- Refer to REMOVE THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
- Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
- Refer to REMOVE REAR THRUST FIELD .
- Refer to REMOVING THE ACOUSTIC COVER OF THE OIL SUMP .
- Refer to REMOVING STARTER MOTOR .
- Refer to REMOVING THE VIBRATION DAMPER .
Removing the front crankshaft seal
- Drive in the crankshaft seal (1) in the marked area with a punch to approx. 1 cm deep.
- Lever out the crankshaft sealing ring (1) with the special tool 2 298 505 .
- Make sure that the sealing surface on the crankcase is not scratched.
Installing the front crankshaft seal
- Prepare special tool 0 496 130 (11 8 803)
.
- Clean the special tool 0 496 128 (11 8 801) from the set of special tools 0 496 127 (11 8 800) and coat it with motor oil.
- Secure special tool 0 496 128 (11 8 801) to the crankshaft using special tool 0 496 129 (11 8 802) from the set of special tools 0 496 127 (11 8 800) .
NOTE:
RISK OF DAMAGE
Radial shaft seal damage.
Taping the sealing lip (inner) and applying oil to the radial shaft seal will lead to its destruction.
Radial shaft seal damage.
Taping the sealing lip (inner) and applying oil to the radial shaft seal will lead to its destruction.
- Do not tap the sealing lip (inner) of the radial shaft seal.
- Do not apply oil to the radial shaft seal.
- Install the radial shaft seal dry.
- Carefully slide the crankshaft sealing ring (1) straight in a rotational movement onto the special tool 0 496 128 (11 8 801) from the set of special tools 0 496 127 (11 8 800) until the crankshaft sealing ring (1) is positioned flush against the crankcase.
- Mount the special tool 0 496 130 (11 8 803)
on special tool 0 496 128 (11 8 801)
of the set of special tools 0 496 127 (11 8 800)
in arrow direction.
- Screw in the special tool (sleeve) 0 496 130 (11 8 803)
using the special tool 0 496 131 (11 8 804)
from the set of special tools 0 496 127 (11 8 800)
and a suitable tool until the sleeve is positioned flush against the crankcase (1).
- Release the special tool 0 496 131 (11 8 804)
and remove.
- Feed out and remove the special tool 0 496 130 (11 8 803)
on the special tool 0 496 128 (11 8 801)
of the set of special tools 0 496 127 (11 8 800)
in arrow direction.
- Release the special tool 0 496 129 (11 8 802) .
- Feed out and remove the special tool 0 496 128 (11 8 801) 0 496 129 (11 8 802)
on the crankshaft.
- Check the crankshaft sealing ring (1) for correct installation on the crankcase (2).
Follow-up work
- Refer to INSTALLING THE VIBRATION DAMPER .
- Refer to INSTALLING THE DRIVE BELT FOR THE COOLANT PUMP .
- Refer to INSTALL THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
- Refer to INSTALL CHARGE AIR LINE .
- Refer to INSTALL RESONATOR .
- Refer to INSTALLING ACOUSTIC COVER .
- Refer to INSTALLING STARTER MOTOR .
- Refer to INSTALLING THE ACOUSTIC COVER FOR THE OIL SUMP .
- Refer to CONNECTING NEGATIVE BATTERY CABLE .
- Refer to CHECK ENGINE OIL LEVEL .
- Refer to INSTALLING THE REAR THRUST FIELD .
- Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
- Refer to INSTALL THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .