What are the symptoms of a faulty crankcase ventilation valve?
1 Answers
The symptoms of a faulty crankcase ventilation valve are: 1. Contamination of the engine oil in the crankcase; 2. Oil leakage from the oil pan gasket; 3. Unstable engine operation; 4. Abnormal oil consumption; 5. Increased carbon deposits in the intake tract; 6. Changes in intake manifold vacuum and abnormal mixture concentration, immediate repair is recommended. The functions of the crankcase ventilation system are: 1. Preventing oil deterioration; 2. Preventing leakage from the crankshaft oil seal and crankcase gasket; 3. Preventing various oil vapors from polluting the air. The components of the crankcase ventilation system include the ventilation chamber, oil-gas separation system, crankcase pressure control system, oil return chamber, and breather pipe.