Put the vehicle in gear and. I wasnt able to get the tester to work correctly using the instructions provided with the tester so i made one.
Cylinder Leak Down Testing
How to use a leak down tester. How to use a leak down tester tool cylinder head leakage detector duration. Today its common practice to use a cylinder leakdown gauge to evaluate how well each cylinder performs in retaining pressure. Record leakage percentage for the cylinder. Chocks behind the wheels can also be useful. Remove the spark plugs and rotate the engine to put the cylinder to be tested at tdc. The crankshaft is then turned so that each piston is at top dead centre.
This video is about how to use a harbor freight leak down tester on a small engine. Plug the air line into the tester then use the yellow adjustment knob to change the airflow till the needle on the left gauge is on 100. Online auto parts 6637 views. Place the car into gear if you can but also engage the parking brake so it wont roll. Compressed air 80 to 90 psi is then fed into the cylinder. Step 1.
The process is simple enough pump a measured amount of air pressure. A cylinder leak down test requires the removal of all the spark plugs. To use the leakdown tester youll need an air compressor with an air tank. Remove the screwdriver and hook the leak down test tool into the spark plug hole. How to perform a leak down test. A threaded coupling is screwed into a spark plug hole.
Use the leak down test to know if you should be changing head gaskets valves piston rings or looking for a crack. Figure out which spark plug adapter works best and connect the gauge into the hole. If the compression is low in a cylinder its time to find out why. When the leak down test tool is attached to the cylinder the next task is to attach the tool itself to the air compressor.
Gallery of How To Use A Leak Down Tester
