Removing and installing crankshaft sealing ring - Flywheel side: Notes

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: When working on the engine, absolute cleanliness is essential. Even the smallest particles of dirt can damage engine components.

NOTE:

The sealing ring can be replaced on the installed engine in Tiptronic vehicles only up to and including model year 2001.
To replace the sealing ring in Tiptronic vehicles as of model year 2002, the complete engine/transmission unit must be removed.
In vehicles with manual transmission, the sealing ring can be changed on the engine, irrespective of whether it is installed or removed.