Replace the crankshaft seal

WARNING: Working on 12 V electrical system.
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.

CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

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.

Detach battery terminal from battery pole by carefully shifting. Do not pry off using a tool.

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING RESONATOR .
Refer to REMOVING THE FRONT ACOUSTIC COVER FOR THE ENGINE .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to IF INSTALLED: REMOVE THE UNDERBODY PLANKING OF THE TRANSMISSION ON THE SIDE .
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 STARTER MOTOR .
Refer to REMOVING THE HEAT SHIELDS .
Refer to REMOVING THE RETAINING PLATES .
Refer to PARTIALLY LOOSENING THE PROP SHAFT .
Refer to REMOVING AUTOMATIC TRANSMISSION (GA8HP51Z) .
Refer to REMOVING FLYWHEEL .

Removing the rear crankshaft seal

Drill a hole at the crankshaft seal.
NOTE: Use the drill (1) with a maximum diameter of 2.5 mm.
Remove the shavings immediately with the vacuum cleaner. Do not remove shavings with compressed air!

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Screw in special tool 0 491 454 (23 0 490) in arrow direction.
Drive out crankshaft seal with impact weight in arrow direction.

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Installing the rear crankshaft seal
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.
Preassemble special tool 0 496 137 (11 8 815) on crankshaft.
Carefully slide the crankshaft seal (1) straight off the special tool 0 496 137 (11 8 815) using a rotational movement until the crankshaft seal is positioned flush with the timing case cover.

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Secure special tool 0 494 029 (11 9 182) to the crankshaft using special tool 0 494 031 (11 9 184) .

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Connect special tool 2 360 215 onto special tool 0 493 881 (11 9 180) .

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Move in the crankshaft sealing ring with the special tools 0 494 028 (11 9 181) and 2 360 215 in combination with the special tool 0 494 030 (11 9 183) .

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Tighten the crankshaft seal ring using the tool (1) till reaching the stop.

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Follow-up work

Refer to INSTALLING THE FLYWHEEL .
Refer to INSTALLING THE AUTOMATIC TRANSMISSION (GA8HP51Z) .
Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
Refer to INSTALLING THE RETAINING PLATES .
Refer to INSTALLING THE HEAT SHIELDS .
Refer to INSTALLING STARTER MOTOR .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .
Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE, FRONT .
Refer to INSTALLING RESONATOR .
Refer to RECONNECTING ALL BATTERY GROUND LEADS
Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
Refer to IF INSTALLED: INSTALL THE UNDERBODY PLANKING OF THE TRANSMISSION ON THE SIDE
Refer to INSTALLING ACOUSTIC COVER .