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.
NOTE:
RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .
- Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
Preliminary work
- Refer to DEACTIVATING ELECTRICAL SYSTEM .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE CLEAN AIR PIPE WITH THE RESONATOR .
- Refer to REMOVING CHARGE AIR LINE .
- Refer to REMOVING THE FRONT ACOUSTIC COVER FOR THE ENGINE .
- Refer to RELEASING THE ELECTRIC AUXILIARY COOLANT PUMP FOR THE CHARGE AIR COOLER AND/OR AIR CONDITIONING CONDENSER .
- Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR .
- Refer to IF INSTALLED: REMOVING THE UNDERBODY PROTECTION OF THE STEERING SYSTEM .
- Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
- Refer to REMOVING REAR UNDERBODY PROTECTION .
- 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 DRIVE BELT FOR ALTERNATOR .
- Refer to ATTACHING THE ELECTRIC AUXILIARY COOLANT PUMP FOR THE CHARGE AIR COOLER AND/OR AIR CONDITIONING CONDENSER .
- Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE, FRONT .
- Refer to INSTALLING CHARGE AIR LINE .
- Refer to INSTALLING THE CLEAN AIR PIPE WITH THE RESONATOR .
- Refer to INSTALLING ACOUSTIC COVER .
- Refer to ACTIVATING ELECTRICAL SYSTEM .
- Refer to CHECKING ENGINE OIL LEVEL .
- Refer to IF INSTALLED: INSTALLING UNDERBODY PROTECTION FOR THE STEERING .
- Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR .
- Refer to INSTALLING FRONT UNDERBODY PROTECTION .
- Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
- Refer to INSTALLING UNDERBODY PROTECTION AT REAR .