× 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: 4R70W Pump Failure
Posted to Transmission Forum on 7/6/2018

Just a failed bearing, inside the torque converter. Spinning converter acts like a lathe and the bearing like a bit. Seen it on various transmissions over the years. Login to read more.