TH400 Rebuild Series - Teardown (Disassembly)

Learn how to disassemble the GM TH400 automatic transmission. Get a bird's eye view on the basic Turbo 400 teardown techniques, along with some helpful disassembly tips and tricks. Equally important, also learn what NOT to touch during disassembly. See what it takes to remove all of the TH400 sub-assemblies from the transmission case: 1). Pump. 2). Input Drum (Forward Clutch). 3). Direct Drum (Direct Clutch). 4). Intermediate Clutch. 5). Planetary gear set. 6). Intermediate Band & Low-Reverse Band. 7). Valve-body, governor, and modulator. Help This Channel Grow: Coming Soon! *****TH400 Build Series******* TH400 Teardown: You're currently watching it. TH400 Inspection:    • TH400 Rebuild Series - Inspection (A succe...   TH400 Building Clutch Drums:    • TH400 Build Series - Building Clutch Drums   TH400 Building Clutch Drums (Continued):    • TH400 Build Series - Building Clutch Drums...   TH400 Bushings:    • TH400 Build Series - Bushing Replacement   TH400 Prepping Case for Assembly:    • TH400 Build Series - Prepping Case for Ass...   TH400 Planetary Gear Set - Assembly & Installation:    • TH400 Build Series - Planetary Gear Set (A...   TH400 Intermediate Clutch, Band, Direct & Forward Drums:    • TH400 Build Series - Installing Intermedia...   TH400 Pump + Front End-Play:    • TH400 Build Series - Pump + Front End-Play   TH400 Valve-Body + Servos:    • TH400 Build Series - Valve-Body + Servos   TH400 Filter + Pan + Modulator + Governor + Speedo:    • TH400 Build Series - Filter + Oil Pan + Mo...   TH400 Different Cases (Chevy vs BPO): Coming Soon! RESOURCES: TH400 - Parts, tools, & supplies: https://southpawautoworks.com/th400-b... 🚨 Don’t get left behind — join our email list. https://southpawautoworks.com/bypass-... Want to send something cool? Stickers, tools, stories… - Mail it here: Southpaw Autoworks LLC 3298 N Glassford Hill Rd, Ste. 104 - 167 Prescott Valley, AZ, 86314 Disclaimer: This video is for educational and entertainment purposes only. Always follow proper safety procedures and consult a qualified technician before attempting any automotive work. Use this information at your own risk. Questions and discussion are welcome, but I do not provide professional repair advice or one-on-one diagnostics. Proper diagnosis requires a hands-on inspection by a certified technician. Always verify that any tools, parts, or procedures are appropriate for your specific situation. These videos are here to build confidence and clarity — but the responsibility for repairs lies with you. No warranty or guarantee is expressed or implied. All video content is the intellectual property of Southpaw Autoworks LLC and may not be reproduced without written permission.