K 3500 Truck 4WD V8-454 7.4L VIN J SFI (1996)
Positive Crankcase Ventilation: Service and Repair
CAUTION: An engine can be damaged if it is operated without crankcase ventilation. Therefore, it is important to perform the "Functional
Check". Refer to System Diagnosis / Procedures. See: Testing and Inspection
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Replace crankcase ventilation components as diagnosis requires.
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Periodically, inspect the hoses and clamps and replace any showing signs of deterioration.
