× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Old-school running compression test help needed
Posted to Technical Discussion Forum on 3/10/2021

I an actually not doing a leak DOWN test per se, as a percentage. I am doing a leak test - close the valves and put 120 psi of shop air directly into the cylinder with no gauges. I am looking for BIG problems, BIG leaks. Login to read more.