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发动机部件在不良的运转状况下或在产生故障时会发出异常响声。本文对异常响声进行了分类叙述,从而使人们根据异常响声判断出发动机出现故障的部位。1.敲缸响这是一种清脆而有节奏的金属敲击的“当、当”声,响声在气缸的上部。怠速时响声明显,冷车响声大,热车响声较轻或消失。突然加大油门,响声会变成“嗒、嗒”声。将有响声的缸断火,响声会明显减弱或消失。
Engine parts emit abnormal noise under poor operating conditions or in the event of a malfunction. This article describes the abnormal noise classification, so that people according to abnormal noise to determine the engine failure of the site. 1. Knock ring This is a crisp and rhythmic metal percussion “when, when” sound, sound in the upper cylinder. When the idling sound obvious, cold car loud, hot car noise lighter or disappear. Suddenly increase the throttle, the sound will become a “da, da” sound. There will be sound cylinder off fire, the sound will be significantly reduced or disappeared.