TH400 Build Series - Bushing Replacement

See what it takes to replace the bushings on the GM TH400 automatic transmission. Replacing some of the bushings on this unit is pretty straight forward. However, there are a number of bushings that are not as easy to tackle. Over-looking some seemingly minor details can lead to problems during the build, and cause a repeat transmission failure. Learn about SOPs (standard operating procedures), tips/tricks, and upgrades. TH400 Bushings: 1). Pump bushing. 2). Stator bushing. 3). Direct Drum bushing. 4). Center Support bushing. 5). Intermediate Shaft bushing. 6). Front Planet bushing. 7). Output Shaft bushing. 8). Case bushing. 9). Extension Housing bushing. Help This Channel Grow: Coming Soon! How to read a DIAL CALIPER: https://youtu.be/yBKXO9l42lQ ******TH400 Build Series******** TH400 Teardown: https://youtu.be/UtFs24f7QQM TH400 Inspection: https://youtu.be/H6PAoMgM8q0 TH400 Building Clutch Drums: https://youtu.be/g4-6VbSfDM8 TH400 Building Clutch Drums (Continued): https://youtu.be/30W3bt9z6Yo TH400 Bushings: *You're currently watching it.* TH400 Prepping Case for Assembly: https://youtu.be/XzzpjcALjhc TH400 Planetary Gear Set - Assembly & Installation: https://youtu.be/OX3Q3XufQPw TH400 Intermediate Clutch, Band, Direct & Forward Drums: https://youtu.be/gwJ9Axv3_9Q TH400 Pump + Front End-Play: https://youtu.be/tfQiHPZlIQI TH400 Valve-Body + Servos: https://youtu.be/vNW2dkTn7ak TH400 Filter + Pan + Modulator + Governor + Speedo: https://youtu.be/t_pqgrpe8b0 TH400 Different Cases (Chevy vs BPO): Coming Soon! RESOURCES: TH400 - Parts, tools, & supplies: https://southpawautoworks.com/th400-build-series-parts 🚨 Don’t get left behind — join our email list. https://southpawautoworks.com/bypass-the-algorithm 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.