Replacing front crankshaft seal

Removing the front crankshaft seal 

• Drive in the crankshaft seal (1) in the marked area with a punch to approx. 1 cm deep.

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• 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.

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  Installing the front crankshaft seal 

• Prepare special tool 0 496 130 (11 8 803). 

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• 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). 

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  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.

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• 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 0496 127 (11 8800)  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.

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• 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).

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• Release the special tool 0 496 131 (11 8 804)  and remove.

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• Feed out and remove the special tool 0 496 130 (11 8 803)  on the special tool 0 496 128 (11 8801)  of the set of special tools 0 496 127 (11 8 800)  in arrow direction.

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• 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.

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• Check the crankshaft sealing ring (1) for correct installation on the crankcase (2).

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