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Home >> Buick >> 1991 >> Reatta V6-231 3.8L VIN L SFI >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Positive Crankcase Ventilation >> Testing and Inspection >> PCV System Checking
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PCV System Checking

PCV Valve:






PROCEDURE
1. Remove Positive Crankcase Ventilation ([1][2]PCV) valve from engine.
2. Shake valve and listen for rattle. If valve does not rattle or is clogged with sludge, replace it.
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