Disclaimer2020 Porsche Boxster S (986) F6-3.2L Technical Service Bulletin # 14/05 Date: 050907
Engine - New Crankshaft Sealing Ring (Flywheel Side)
Boxster (986)
4/05
September 6, 2005
New Crankshaft Sealing Ring On Flywheel Side
Vehicle Type:
Boxster (986)/Boxster S (986)
Model Year:
As of 1997
Concerns:
New crankshaft sealing ring on flywheel side.
Situation:
Crankshaft sealing ring on flywheel side leaking.
A new crankshaft sealing ring can be supplied for the vehicles above-mentioned if the crankshaft sealing ring is leaking.
The new crankshaft sealing ring is made from a different material (PTFE). The modified sealing lip design is the same as that of the crankshaft
sealing ring used in Cayenne engines.
In the event of a customer complaint or when carrying out engine repair work that involves replacing the crankshaft sealing ring, the new
crankshaft sealing ring must always be installed.
Note
^ For information on the assembly tools to be used, refer to the Workshop Manual.
Note
^ The new crankshaft sealing ring (sports cars) can be identified not only by it's part No. but also by its green assembly sleeve.
^ The crankshaft sealing ring with a white assembly sleeve is only designed for Cayenne engines and must not be installed in the engines of
sports cars.
2020 Porsche Boxster S (986) F6-3.2L Page 19
Part Numbers
Enclosure:
Technical Manual
--> Group 1/No. 13-47, Supplement 81:
"Removing and installing crankshaft sealing ring - flywheel side"