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Home >> Oldsmobile >> 1981 >> Toronado 4.1L Eng VIN 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Positive Crankcase Ventilation System (PCV) >> Service Procedures >> BUICK >> PCV Valve

PCV Valve

Remove from intake manifold or rocker arm cover and replace every 30, 000 miles.

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