Replacing front crankshaft seal

Make sure that the grooves of the rotating arms (2) on the special tool 0 493 923 (11 9 410) to insert in the radial shaft seal (1) are at 90° angle to the spindle (3) .
Insert the special tool.

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Make sure that the grooves of the rotating arms (2) on the special tool 0 493 923 (11 9 410) to pull out the radial shaft seal (1) are at the spindle (3) .
Turn the spindle clockwise (arrow direction).
NOTE: Protect the special tool from falling.
Remove the radial shaft seal (1) .
Clean the contact surface of the crankshaft seal (1) .

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Replace radial shaft seal (1) at front.
Parts: Radial shaft seal
Position the radial shaft seal (1) .
Set and join the special tool 2 0 493 924 (11 9 420) with the central bolt (3) .
Use the special tool (2) 0 493 924 (11 9 420) and the central bolt (3) to screw in the radial shaft seal (1) flush.

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Unscrew the central bolt (2) counter-clockwise.
Remove the special tool (1) 0 493 924 (11 9 420) .

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The Woodruff key (1) must be in the crankshaft (3) and the sprocket (2) must be secured from twisting.
If the Woodruff key (1) is missing, it must be replaced and then the valve timings must be set.

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