Removing Crankshaft-Flywheel Sealing Ring

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To prevent damage to the crankcase -2- when removing the sealing ring, fit drift punch at the position -arrow- underneath the crankshaft -1-

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Crankshaft sealing ring
Use > Nr.167 - drift punch. 1 -mm tip to tap a small hole at a non-rubberised spot frectangular window in the ring) on the sealing ring. > Drift punch

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Drift punch
Remove sealing ring.
Screw in extractor tip and use the > Nr.168 - slide hammer kit to knock out the sealing ring.

Alternatively, you can screw in a suitable tapping screw and pull out the sealing ring using a pliers.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Punching out sealing ring
Clean the crankshaft flange.
The crankshaft flange must be free of rust and dirt

If necessary, clean it with brake cleaner and grind off any rust with a metal-polishing pad (e.g. Never Dull)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Cleaning crankshaft flange