无压缩现代矩阵压缩

Hello greetings to all my problem is that I have a Hyundai Matrix 2005 that the belly of time is revant ... We lower the cylinder head and there were 2 crooked valves we replace them we clean etc but now that we mounted the butt there is no compression in the engine we try outside the jiro of the camshafts and there are valves that remain open but when I remove the trees of
cams Canoso to think thanks ...

它是带有液压的发动机吗？如果是这样，则必须从内部压力下载它们。