A leak down test is a method of using compressed air and a specialized gauge set that reads differential pressure to evaluate the condition of an engine’s cylinders, pistons and rings, and valves and seats without disassembling the engine. If you’ve ever wondered what an engine cylinder leak down test is or how to perform one of these tests, don’t worry. You fill one of your cylinders with compressed air and measure how much of it is leaking out of the cylinder
How to Perform a Leak Down Test
Should allow you to quickly determine, the basic condition of any engine
So, a compression test is a “dynamic test” (engine moving).
Learn how it works, what the results mean, and how to diagnose engine health like a pro. The cylinder leak down test allows diyers and professionals to assess the integrity of an engine’s internal components This test, indispensable for measuring the capability of an engine to hold pressure, is an integral part of any thorough engine health assessment due to its ability to pinpoint issues that rob you of power and reliability.
