Installing the air cleaner (ACL) housing
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.
Install the air cleaner (ACL) housing, including all hoses and electrical terminals.
Fill up with new oil, part number - 1161540-8 in the amount as noted before, see Draining the gearbox fluid
Top up and check the oil level.
NOTE:
After replacing the transmission oil, the "Transmission oil change" counter must be reset. See, Transmission fluid, replacing