选车指南(国外英文资料).docVIP

选车指南(国外英文资料) In the FAW Volkswagen three years of work experience, I know nothing by a car, began to have a deeper understanding of the car, here to say a digression, FAW Volkswagen training work well, here are some tips to share with you! Especially for novice car selection, oh! Selection speed of engine 1, engine ignition should be short and smooth, after starting, the engine speed should be smooth, no jitter and noise. Observe instrument indication, pay attention to the change of tachometer indicator during cold start. Under normal circumstances, the pointer should hit about 1200 rpm, and then slide down to 800 rpm smoothly. Observe all kinds of instrument and alarm device is working properly. 2, far listen to engine sound. This can only be felt. Methods of operation, and the adjacent two cars, you stand in the middle position, leaving the two equal distance, you feel the sound out (is significantly larger than the other car), can turn to, lest you two different hearing delusions; 3. Listen to the sound of the engine. Can open the front cover, with a screwdriver, one end on the engine, and the other end in the ear, listen to the sound of the engine, pick the car so fine expensive thing, or be careful, good, you are more serious, dealers dont dare to careless you. Its better to pick up the car with the stethoscope, and put a towel on the stethoscopes head, and listen to it on all sides of the engine. This is inside the engine sound can hear the noise, such as ring sound, knocking sound, valve beeps and so on. A good engine has only one snore sound, and there will be no other noise. First listen to the voice of the idle, should be smooth and continuous, there should be no metal percussion sound and other noise, clear without noise good quality car should hear only a small noise, and the noise should not be harsh, for a short time after starting the engine tachometer should remain at a certain value range (800-1200 left and right), the pointer should be very stable