S80 T6 Executive L6-2.8L Turbo VIN 90 B6284T (2001)
Positive Crankcase Ventilation: Testing and Inspection
Crankcase ventilation, check
Note! Some variation in the illustrations may occur, but the essential information is always correct.
Special tools:
999 7226 Pressure gauge See: Tools and Equipment/999 7226 Pressure Gauge
Check
Measuring the pressure in the crankcase
Note! Take readings at idle at operating temperature.
Warm up the engine until the thermostat opens.
Switch of the AC and other electrical equipment.
Reset the manometer using the adjuster screw.
Remove the dip stick and connect manometer 999 7226 Pressure gauge See: Tools and Equipment/999 7226 Pressure Gauge as illustrated.
Note! The pressure values are given for sea level. High levels can reduce the reading slightly.
Read off manometer value.
The value for a clean crankcase ventilation is -0.2 kPa or lower.
If the manometer indicates a value from -0.2 up to 0.0 kPa or a positive value, the crankcase ventilation is partially or completely blocked and must be
cleaned.
