Installing the vacuum pump
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Check that the vacuum pump seal is undamaged.
Install the vacuum pump together with the connection piece. Use 3 x M7 screws. First tighten the 3 screws. Tighten to light contact. Tighten.
Connect both the vacuum hoses to the pump.