S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
Pump air out until the vacuum valve opens. This should occur between minus (-) 4 and minus (-) 12 kPa.
Leak test, pressure
Set the selector to position PRESSURE.
Slowly pump in the air to plus (+) 3 kPa. Wait until the pressure has stabilized. Pressure reductions of 1 kPa per 30 seconds are permitted.
Replace any fuel filler cap that fails this test.
Testing relief valve
