Posts Tagged: compression vs leakdown test

How to Perform a Cylinder Leakdown Test Like a Pro

Step-by-Step Cylinder Leakdown Test Guide for DIY Mechanics Quick Summary: What a Cylinder Leakdown Test Tells You Unlike a compression test, which only tells you that you have a problem, a cylinder leakdown test tells you where the problem is. Use this test if you’re diagnosing cylinder misfires, suspected piston ring damage, burned valves, or a possible head gasket failure. The test allows you to pinpoint whether the air is escaping past the rings, intake valves, exhaust valves, or into the cooling system. How I Perform a Cylinder Leakdown Test … Read More