听9种汽车呼救声 轻松判断汽车故障（Listen to 9 kinds of car cry for help sound easily judge car trouble）.doc

听9种汽车呼救声 轻松判断汽车故障（Listen to 9 kinds of car cry for help sound easily judge car trouble） By listening to the cry for help from the car, the driver can identify the problem of the car and find the problem in time. The car usually has the following nine fault sounds. Crash: a heavier iron impact, probably because the engines fixed frame is worn for a long period of time, and is hit when the engine changes speed. But it could also be that the cars front and rear suspension is damaged. 2. Tap: sound like sound, but less sound. When the sound comes out, the car mainly thinks about whether it USES inferior gasoline, and if it USES bad oil, it can make a sound. 3. Click: it may be the universal joint of the driving shaft damaged or it may be caused by the bending of the tire or fan blade in the tire. Sizzling: like a balloon leak, mostly a cooling system. If the cooling system fails, you can see the liquid at the bottom of the car. This is also the case with a flat tire or an engine vacuum chamber. Clam: like a dull knock on the door. Most of the engine is internal, probably because of the aging of the vehicle, bearing or engine valve damage can also be caused. 6. Howling: most of them appear when the car turns, which may be loose or worn by the fan belt. Sometimes the tire is short and the sound is too. 7. A humming sound: the sound like the voice of the bees, it is likely to be some parts loose, the engine at the bottom of the plastic or metal parts and the air conditioning or compressor fixator looseness is most common. 8. Roar: from the car with a purr. It is likely that the ball bearings in the wheels, the compressor, or the pump are broken, and it is likely that the air conditioner or compressor has failed. 9. Variable tone: mainly the uncoordinated sound of motor aging. To reflect the recent period of time, many owners, their own car to start difficult, fuel consumption is too high, climbing a hill, or park a few days later cant start, after ignition key is not retu