buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Thermostatic Air Cleaner > < Positive Crankcase Ventilation|Description and Operation|Page 2137
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Positive Crankcase Ventilation: Service and Repair

GASOLINE ENGINES

    Replace PCV valve and filter element every 30,000 miles. If vehicle is driven under dusty conditions, replace filter element as necessary. Inspect and
replace any hoses that show signs of damage or plugged condition.

Thermostatic Air Cleaner > < Positive Crankcase Ventilation|Description and Operation|Page 2137