× 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: 69 GM th400
Posted to Transmission Forum on 8/11/2015 1 Reply

Scott, The notches were GM's attempt at planetary noise reduction.

JPS Login to read more.

1 Replies Received (View Replies)