How to perform a cylinder leak-down test

How to perform a cylinder leak-down test

Ray Bohacz is a journalist in the automotive field and author of CarTech’s book “How to tune and win with Demon Carburetion”. He is also a monthly contributor to Hemming’s Muscle Machines magazine. Additionally, Ray writes short articles for the agriculture industry and is featured in a series of videos as the SF (Successful Farming) Engine Man. His videos introduce brief, informative features which apply to both farm and automotive equipment.

Ray-CylinderLeakDownTestA leak-down test measures air pressure that escapes around closed valves or piston rings in diesel or gasoline engines – information particularly useful for street engines.

Cylinder leaks greater than 15 – 20% are considered excessive and can result in lower power or an unstable idle. Here in fewer than 2 minutes, Ray shares valuable information on performing a cylinder leak-down test. Click here or on the video to view.

 

Submit a Comment

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>