Put the compression test adapter into the engines first cylinder. Double check that you disconnected the appropriate stuff so the engine doesnt actually start.
Stopping Fuel Leaks When Performing A Diesel Compression Test
How to compression test engine. On vehicles with distributors. A compression test can also inform of an individual cylinder problem which can be repaired. You can compression test the cylinders with the help of a compression gauge. A compression test is a good way to measure the condition of the rings cylinders and valves. Crank the engine at least 4 times to. Once you have the results you compare your gauge reading to manufacturer specifications and interpret your results.
If youre testing a diesel engine make sure youre. On vehicles with. Now turn the key and crank the engine over for about 10 seconds. Look down on the engine to figure out which. Press the pressure release valve on the side of the gauge which will return the gauge to zero pressure for the next test. Cylinder compression can inform you on how much wear an engine has on.
It is important to perform a compression test every time a tune up is done as part of preventative maintenance. All you have to do is connect the gauge in place of a spark plug and test each cylinder pressure in turn. Connect the compression gauge to the opposite end of the hose. Youre all set up now and ready to actually do the compression test. The next step depends on the type of distributor you have. If your engine is running rough or is lacking power.
Heres how to use a compression gauge. Have someone sit in the drivers seat with the engine off the gearshift in park or neutral and the parking brake on. Performing the test 1. Pull the big wire that leads. Consider doing a compression test. The needle on the compression gauge will stay at the highest indicated compression reading.
Gallery of How To Compression Test Engine
