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GMC Truck
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1983
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G 3500 1 Ton Van L6-250 4.1L VIN D 2-bbl
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Repair and Diagnosis
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Diagrams
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Vacuum and Vapor Hose Diagrams
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Emission Control Systems
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Positive Crankcase Ventilation
Positive Crankcase Ventilation
Fig. 3 Typical PCV system. 6-250 & 292:
