Home >> Volvo >> 2003 >> C70 2.3 53, Standard >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Boost Pressure Control, Crankcase Ventilation - Cleaning, Inspection And Adjustment (Convertible) >> Crankcase Ventilation (B5244T; 2000) >> Crankcase ventilation, check