If your engine is running rough or is lacking power. Look down on the engine to figure out which.
Compression Test Maintenance Monday
How to test engine compression. Performing the test 1. Have someone sit in the drivers seat with the engine off the gearshift in park or neutral and the parking brake on. Pull the big wire that leads to the coil. Give it a tug to be sure that its on. A compression test is a good way to measure the condition of the rings cylinders and valves. Put the compression test adapter into the engines first cylinder.
The gauge displays engine compression. If youre testing a diesel engine make sure youre. With the testing tube firmly seated on the silver adapter youre ready to attach the test gauge. The next step depends on the type of distributor you have. Connect the compression gauge to the opposite end of the hose. All you have to do is connect the gauge in place of a spark plug and test each cylinder pressure in turn.
A compression test can also inform of an individual cylinder problem which can be repaired. Consider doing a compression test. To install it pull back the collar at the end of the gauge and slide it over the metal end of the tube. How to check an engines cylinder compression. You can compression test the cylinders with the help of a compression gauge. Crank the engine at least 4 times to.
Press the pressure release valve on the side of the gauge which will return the gauge to zero pressure for the next test. It is important to perform a compression test every time a tune up is done as part of preventative maintenance. Cylinder compression can inform you on how much wear an engine has on. On vehicles with distributors. Once you have the results you compare your gauge reading to manufacturer specifications and interpret your results.
Gallery of How To Test Engine Compression
