S15/T15 Sonoma P/U 2WD V6-262 4.3L VIN Z TBI (1995)
Positive Crankcase Ventilation: Service and Repair
Crankcase Ventilation System
Crankcase Ventilation System
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. See: Computers and Control Systems/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.