× 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: Cummins M11 losing prime
Posted to HD/Fleet Forum on 6/20/2024

I do not have the magic answer but, you might start by putting some clear hose in the suction and return lines. This will allow you to see if air is getting into the system. The hoses may have to be moved to different lines to check them. If you can put one di... Login to read more.