Removing fuel draining unit

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.

Fig 1: Identifying Adapter Hose And Fuel Pressure Line Nipple

Courtesy of VOLVO CARS OF NORTH AMERICA.

Corrective actions:

Remove adapter hose from the engine.
Wait a minute or so for the hose to empty.
Turn off the draining unit.
Remove the measurement equipment and hoses from the car.

Fig 2: Identifying Fuel Rail Protective Cap

Courtesy of VOLVO CARS OF NORTH AMERICA.

Reinstall the protective cap on the fuel rail.