问:细小的声音在后方的车辆司机一侧引擎。

嗨。你听到的声音是一个连杆轴承磨损,松动,或者损坏。去除油和油底壳的引擎。你可以把连杆轴承与曲轴旋转一次。安装新的连杆轴承有白色的锂基润滑脂。确保你得到一个建筑商指南扭矩的扭矩规格连杆家臣。然后把油底壳回到新锅垫,把新机油。启动发动机燃油喷射和点火禁用防止引擎实际上开始。这将使石油通过新的轴承和撇油系统。然后把燃油喷射和点火启动引擎。 If the sound went away, then you fixed the issue. If the sound is still there, then you may have a connecting rod coming apart from a piston. Then the engine would need to be rebuilt or replaced. If you need further assistance with your引擎制造噪音,然后寻找一个专业的,比如从你的机械师,来帮助你。