What is the reason for the continuous rattling sound of the engine?
1 Answers
The reasons for the continuous rattling sound of the engine are: 1. Excessive wear of the cam causing tappet jumping during operation; 2. Impact between the rocker arm head of the overhead valve and the top of the valve; 3. Excessive carbon buildup in the valve guide; 4. Detachment of the valve spring seat; 5. Damage to the hydraulic tappet or tappet cylinder; 6. Aging or loosening of the engine mount rubber. The maintenance methods for car engines are: 1. Regularly change the oil and filter; 2. Use lubricating oil of appropriate quality grade; 3. Regularly clean the radiator; 4. Regularly clean the air filter, oil filter, and fuel filter; 5. Maintain good ventilation in the crankcase and clean it regularly; 6. Regularly clean the fuel system.