Marking the location of the balls in relation to the distribution plate
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.
Position the distribution plate on the valve housing (strainers upwards) so that the balls can be seen. Mark the position of each ball beside the hole using a marker pen.
Turn the distribution plate and find each respective marking. Mark the hole. Check this side of the plate for leakage. See Check the balls sealing against the distribution plate .