A8L V8-4.2L (BFM) (2004)
^
Unscrew the connection piece -1- from the residual pressure retention valve -2-. Air will escape when doing this.
Note: The residual pressure retention valve -2- must not, usually, be loosened or removed.
^
Seal both connections, making sure no particles of dirt enter the connections.
^
Undo bolt -1- of self-leveling sensor.
^
Unscrew nut -3-.
^
Press wheel bearing housing down manually and remove bolt-4- from air spring damper/transverse link.
^
Insert square timber in subframe -arrow 1- and support on wheel bearing housing -arrow 2-.
^
Press wheel bearing housing down with square timber -arrow 3-, until the fork -arrow-4- of the air spring damper can be detached from the rear.
This requires the assistance of a second technician to pull the fork of the air spring damper from the rear.
^
Place a folded cloth between the air spring damper and the transverse link.