× 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: Engine Blow By Or Normal
Posted to Technical Discussion Forum on 5/26/2016

Measure blowby at dipstick tube using a vacuum [...] over 5 inches of vacuum is not [...] this test must be done with fresh air inlet hose blocked off. Login to read more.