Show TRACING A LEAK OF VALVES packing ve very ry frequently becomes becom es soft and trouble follows examine all gaskets in overhead valve engines chera the valves are cart earned led in removable capes cages gaskets are used to give a tight joint when the cage is screwed in place this packing very frequently becomes soft and the result Is a leak around the valve which may be difficult to loc locate ate unless on one is s a aware w a r L 0 of f this likelihood similarly Simil aily in engines the gaskets aed at the point where the intake m manifold joins the different cylinders should be care carefully fully examined whenever the manifold Is taken off as leaks are likely IL ely to develop here |