What are the main types of engine abnormal noises?
1 Answers
The main types of engine abnormal noises include: 1. Hydraulic tappet noise; 2. Timing belt noise or timing chain noise; 3. Valve spring noise; 4. Intake timing automatic control mechanism noise; 5. Valve noise caused by excessive carbon deposits during high-speed engine operation; 6. Noise caused by loose fasteners; 7. Noise caused by excessive clearance between components. During regular vehicle use, we should pay attention to proper engine maintenance, such as using high-quality engine oil, qualified coolant, regularly cleaning radiator scale, periodically removing carbon deposits from the vehicle, timely replacement of the three filters, and maintaining reasonable engine speed.