Install the drive shaft seal
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Clean thoroughly before installing the new seal
Apply a small amount of grease to the sealing lip.
Use drift 9995729 .
Carefully tap the drive shaft seal in until the drift is in contact with the transmission housing.