Removing the control valve and wiring

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Vacuum Pump And Hose

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove:

the relay terminal by the control valve. Pull the valve through the cable for the power brake booster
the quick-release connector by the vacuum pump
the clamp (turbocharged engines) on the cable for the intake manifold.
Release the cable from the clamp (naturally aspirated engines)
the hose connector in the intake manifold. Press the plastic ring in towards the intake manifold. Pull the cable out
the valves and wiring. Note the routing of the wiring.