What are the causes of abnormal engine noise?
1 Answers
Causes of abnormal engine noise include: 1. Aging engine mounts; 2. Deteriorated engine mounts; 3. Severe carbon buildup in the engine; 4. Malfunction in engine cylinders; 5. Poor lubrication; 6. Excessive wear between pistons and cylinder walls; 7. Engine overheating, cooling system failure; 8. Blocked exhaust system, vacuum tube leakage or breakage; 9. Loose belts. The main components of an engine are: 1. Engine block; 2. Crankshaft and connecting rod mechanism; 3. Valve train and intake/exhaust system; 4. Fuel supply system and governor; 5. Starting device; 6. Cooling system; 7. Lubrication system.