Home >> Volvo >> 2003 >> C70 2.3 53, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Boost Pressure Control, Crankcase Ventilation - Cleaning, Inspection And Adjustment (Convertible) >> Checking And Adjusting The Boost Pressure Control (BPC) Valve On The Turbocharger (TC) (B5234T9; B5244T7; 2003-2004) >> Wastegate valve, adjusting