Positive Crankcase Ventilation Valve: Service and Repair

CLEANING
^ Cleaning of the positive crankcase ventilation valve is not recommended.
^ The positive crankcase ventilation valve should be replaced if needed.

INSPECTION
^ Shake positive crankcase ventilation valve and carefully inspect for splits or cracks.
^ If positive crankcase ventilation valve does not rattle or is damaged, replace positive crankcase ventilation valve.