C 3500 1 Ton Pickup 2WD L6-292 4.8L VIN T 1-bbl (1984)
Fig. 3 Typical PCV system. 6-250 & 292
GMC Workshop Service and Repair Manuals
Positive Crankcase Ventilation|Locations|Page 1795 >
< Thermal Vacuum Valve, EGR|Testing and Inspection
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