× 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: GM Truck Fuel Pump Lifespan
Posted to Technical Discussion Forum on 2/26/2021

Ken, at this high mileage the alternator will soon fail because of warn down brushes, and possibly, but highly likely, bad slip ring wear. The brushes are very easy to change. Minor slop ring wear can be cleaned up with emery cloth. But I suspect there will be... Login to read more.