What Are the Causes of Engine Knocking Sound?
1 Answers
Car engine knocking sound is caused by: 1. Bent or twisted engine connecting rod; 2. Excessive carbon deposits in the engine; 3. Poor engine lubrication conditions; 4. High cylinder pressure at high speeds. The solutions for car engine knocking sound are: 1. Replace the engine connecting rod; 2. Clean carbon deposits in the engine; 3. Add lubricating oil; 4. Replace the cylinder liner, piston, and piston rings. Car engine maintenance methods include: 1. Regularly change engine oil and filter; 2. Regularly clean the radiator; 3. Regularly replace the air filter and fuel filter; 4. Maintain good crankcase ventilation; 5. Regularly clean the fuel system.