Replacing front crankshaft seal
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:
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 REMOVE 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.- 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) 0496 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 nd remove the special tool 0 496 128 (11 8 801) 0 496 129 (11 8 802) on the crankshaft.
- Check the crankshaft seeing 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 INSTALL 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 .