问:没有石油导致打破和凸轮轴正时皮带

关注我,是发动机的机械没有提及你的汽车是一个干扰引擎。这意味着活塞和摄入量和/或排气阀占据同一个空间。正时皮带正如它的名字所暗示的,它负责确保阀和活塞移动在适当的时间,所以他们并不在同一个空间同时和接触。正时皮带断裂时,阀门将大满贯关闭的阀门弹簧张力。曲轴,活塞将继续将在短时间内从惯性和旋转力。活塞将阀门和弯曲。简单地更换正时皮带和/或凸轮轴最有可能导致不当完成后运行引擎。十有八九,会有低或缺乏压缩在一个或多个气缸由于弯曲的阀门。压缩会吹吧。如果事实上汽缸垫有异味,汽缸必须删除来取代它。 While the head is off the engine, it should be sent to a machine shop for testing before reinstalling it. If there is any indication that the valves and pistons made contact - which in all likelihood there will be - then the most cost effective repair would be to install a completely rebuilt cylinder head. It would be less expensive than rebuilding the existing head. In order to remove the cylinder head, the timing belt and possible intake and exhaust manifolds will have to be removed. If you go ahead with the repairs, any part that was removed to perform the repairs, should be replaced with new ones. For example, the water pump is in the way of the timing belt. No matter how old the water pump, thermostat, timing belt tensioner, etc are, now is the time to replace them. While everything is apart. There should not be any additional labor charges, just the cost for the new parts. Also, the pistons should be carefully inspected for damage as well. If any of them are damaged from contacting the valves, they will require replacement as well. If that happens and you want to repair the vehicle, consider a good used engine as an alternative to repairing the existing one. Just be sure that if a used engine is used, replace things like the timing belt, tensioner, water pump, etc, before it is installed. With the mileage listed and the fact that it ran out of oil, odds are that the cylinder walls and/or piston rings are worn, allowing oil blow-by. That alone makes installing a known good engine a more cost-effective alternative. Most used engine suppliers will offer some sort of warranty as well, anywhere from 30 days to one year..