Be aware of abnormal engine noise

A healthy and normal car will usually produce a smooth-sounding engine noise when turned on. Therefore, if you start to hear a voice or sound that strange and sourced from the engine of your car, try to do some checking. Unnatural sound on these machines is a sign of the existence of damage to that section. Try to notice things like the following.

1. Click-click sound, usually the cause is the movement of the valve. To fix it, take it to the garage and set Repeat the free slit valve.


2. The sound of clinking at the moment there is a load and rotation accelerated; usually the cause is a low-octane gasoline. Replace gasoline with a higher octane, clean carbon deposits and also set the one time the lighting properly.


3. The sound of tapping or thumping slow when the piston rises, usually the cause is a worn bearing in the piston, piston rod installation errors or less oil.


4. Metal beats sound twice that sounds when the machine without load, usually the cause is already worn piston pin or loose.


5. The vibrating sound at the time of acceleration, the cause is usually a piston ring or cylinder walls that have become worn or broken piston ring voltage, and low.


6. Voice squeaked short in the cylinder head, usually the cause is scraping piston in the cylinder wall, piston body broken, faulty installation of the piston rod, or less oil.


7. Rapping between metal clatter when the machine gets a load or accelerated. If his voice is regularly, usually the cause is the crankshaft launch pads have worn out. If his voice is not regular and impressed sharply, then the cause is the bearing seats are already worn out.