Replacing front crankshaft seal
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.
WARNING:
Hot fluids.
Risk of scalding!
Risk of scalding!
- Conduct all work in the vehicle wearing appropriate personal protective equipment only.
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.
Preliminary work
- Refer to SUCTIONING THE AIR CONDITIONING .
- Refer to DEACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
- Refer to REMOVING THE ENGINE COMPARTMENT COVER PANEL IN THE REAR LEFT AND RIGHT .
- Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
- Refer to REMOVING MOUNT OF HOOD SEAL ON THE LEFT AND RIGHT .
- Refer to REMOVING FRONT CROSS CONNECTION .
- Refer to REMOVING THE LEFT AND RIGHT FRONT-END STRUT .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING THE LEFT-HAND AIR DUCT .
- Refer to REMOVING THE RIGHT AIR DUCT .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
- Refer to REMOVING REAR 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 THE FAN COWL .
- Refer to REMOVING CHARGE AIR DUCT OF CYLINDERS 1 TO 3 .
- Refer to REMOVING THE CHARGE AIR DUCT OF CYLINDERS 4 TO 6 .
- Refer to REMOVING THE DRIVE BELT FOR THE ALTERNATOR .
- Refer to REMOVING THE ALTERNATOR .
- Refer to REMOVING THE AIR CONDITIONING CONDENSER PARTIALLY .
- Refer to PARTIALLY REMOVING THE AUXILIARY COOLANT PUMP .
- Refer to REMOVING AIR CONDITIONING COMPRESSOR .
- Refer to REMOVING THE COMPONENT CARRIER .
- 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 STARTER MOTOR .
- Refer to INSTALLING THE COMPONENT CARRIER .
- Refer to INSTALLING AIR CONDITIONING COMPRESSOR .
- Refer to PARTIALLY INSTALLING AUXILIARY COOLANT PUMP .
- Refer to PARTIALLY INSTALLING THE AIR CONDITIONING CONDENSER .
- Refer to INSTALLING THE ALTERNATOR .
- Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
- Refer to INSTALLING CHARGE AIR DUCT OF CYLINDERS 4 TO 6 .
- Refer to INSTALLING CHARGE AIR DUCT OF CYLINDERS 1 TO 3 .
- Refer to INSTALLING FAN COWL .
- Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
- Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
- Refer to INSTALLING FRONT CROSS CONNECTION .
- Refer to INSTALLING MOUNT OF HOOD SEAL ON THE LEFT AND RIGHT .
- Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
- Refer to INSTALLING THE COVER PANEL OF THE ENGINE COMPARTMENT ON THE REAR LEFT AND RIGHT .
- Refer to INSTALLING THE LEFT AIR DUCT .
- Refer to INSTALLING RIGHT AIR DUCT .
- Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
- Refer to ACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
- Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
- Refer to CHECKING ENGINE OIL LEVEL .
- Refer to EVACUATING AND CHARGING CONDITIONING .
- Refer to CHECKING THE HIGH-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
- Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
- Refer to INSTALLING FRONT UNDERBODY PROTECTION .
- Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
- Refer to INSTALLING UNDERBODY PROTECTION AT REAR .