F40 Transmission Complete Disassembly Guide (Saab, Buick, GM, Opel, and more)

In-depth teardown and internal breakdown of the GM / Saab F40 6-speed manual transaxle. Walking through the three-axis gear layout, dual intermediate shafts, synchros, differences between models, and common failure points. 00:00 Intro 03:30 Transmission overview 09:36 Opening the case 21:59 Input shaft 27:42 Lower intermediate shaft 49:02 Upper intermediate shaft IG: Aero_GTX