Title: Demonstrate a cylinder leakage test.
Course: Motorsports Technology II (20105-II) > Section: Investigating Principles of Engines

Demonstration should include

- selecting the tools and equipment needed to remove the spark plugs
- removing the spark plugs
- positioning the piston to top center
- attaching air and setting gauge to zero
- installing the tool cylinder leak down tester and checking the percentage of leakage
- testing all cylinders and recording the percentage of leakage.

Process/Skill Questions:

- What is the purpose of the cylinder leakage tester?
- What can this test show about the engine?
- What could occur if the piston is not at top center?
- What safety items would be needed to perform the cylinder leakage test?