Fixing Your Schrader Valve for Compression Tester
If your gauge is dropping to zero before you can even get a good look at it, you've probably got a bad schrader valve for compression tester use. It is a tiny, unassuming part, but it is basically the heart of the entire tool. Without a functioning valve, your compression tester is nothing more than a fancy, overpriced hose that tells you absolutely nothing about the health of your engine. ...