Checking For Air Leaks In the Intake System: Connecting
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.
Remove fresh air hose from mass air flow (MAF) sensor.
Install tool
9995545
with pressure regulator
9995544
on fresh air hose and tighten hose clamp.
Use hose clip to seal crankcase ventilation hose.
Remove oil filler cap.
Remove the lower hose from the canister purge (CP) valve.