A valve is opened in the oil filter housing when oil drain adapter -T40057- is screwed in. When oil drain adapter -T40057- is removed, the valve closes again.
Special tools and workshop equipment required
t
Oil drain adapter -T40057-
Procedure:
–
Unscrew dust cap from oil filter housing -arrow-.
–
Hold hose of oil drain adapter -T40057- in a catch pan and screw oil drain adapter -T40057- into oil filter housing.