Like a compression test, a leak down test is accomplished by replacing a spark plug with the tester hose. The tester then measures the volume of air needed to maintain, a predetermined pressure in the cylinder. A compression test is to determine how much pressure the engine makes, and a leakdown test measures its ability to hold pressure.
How To Perform A Compression And Leak-Down Test | FCP Euro
The cylinder leak down test is an advanced form of the compression test, providing more detailed and accurate information about the condition of an engine
A leak down test grants a deeper understanding by revealing where compression is being lost within an engine.
A compression test is typically done prior to a leak down test and is an easy way to determine the internal health of your engine A leak down test may also be called a cylinder differential test. If you stopped reading right now, a novice might choose a compression tester Cylinder pressure leak down tester in a cylinder leak down test the engine is placed on top dead centre (tdc), of the cylinder in question
Then, using a similar type of connector as the compression test, we fill the cylinder with pressure
