Replacing the rear crankshaft seal

Preliminary work 

• Refer to REMOVING FLYWHEEL .

Removing the rear crankshaft seal 

• Provide a vacuum cleaner.
• Drill a hole into the crankshaft seal using a 2.5 mm drill (1).

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• Immediately remove the shavings from the crankshaft seal (1) carefully using a vacuum cleaner.

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• Screw in the special tool 0 491 454 (23 0 490)  into the crankshaft seal.
• Drive out the crankshaft seal using the special tool 0 491 454 (23 0 490) 

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  Installing the rear crankshaft seal 

  NOTE: TECHNICAL INFORMATION 
  The radial shaft seal must be installed dry. Do not use motor oil or lubricant.
• Install special tool 0 496 137 (11 8 815)  on the crankshaft.
• Pull off crankshaft sealing ring (1) in the arrow direction using special tool 0 496 137 (11 8 815)  so that crankshaft sealing ring (1) rests all around the timing case cover.

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• Guide the special tool 0 496 137 (11 8 815)  out and remove.
• 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 to special tool 0 494 028 (11 9 181)  in the arrow direction.

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• Position special tools 0 494 028 (11 9 181)  and 2 360 215  and bring into contact with the crankshaft seal in connection with special tool 0 494 030 (11 9 183). 
• Check the freedom of movement between the special tool 2 360 215  and the crankshaft sensor during installation.
• Screw in the crankshaft sealing ring up to the stop of the timing case cover using special tool 2 360 215. 

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Follow-up work 

• Refer to INSTALLING THE FLYWHEEL .