TH400 rebuild: Direct drum #SouthpawAutoworks

Southpaw Autoworks
Southpaw Autoworks
33,975
0
Published 2014-09-11
This video covers the Direct Drum of the TH400 transmission. It covers the common areas of wear and tear to look for on the drum. The video reveals the assembly procedure, along with some helpful tips. Also, learn how to make your own tools for the job!

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*****UPDATED TH400 Build Series*******
TH400 Teardown:    • TH400 Rebuild Series - Teardown (Disa...  
TH400 Inspection:    • TH400 Rebuild Series - Inspection (A ...  
TH400 Building Clutch Drums:    • TH400 Build Series - Building Clutch ...  
TH400 Building Clutch Drums (Continued):    • TH400 Build Series - Building Clutch ...  
TH400 Bushings:    • TH400 Build Series - Bushing Replacement  
TH400 Prepping Case for Assembly:    • TH400 Build Series - Prepping Case fo...  
TH400 Planetary Gear Set - Assembly & Installation:    • TH400 Build Series - Planetary Gear S...  
TH400 Intermediate Clutch, Band, Direct & Forward Drums:    • TH400 Build Series - Installing Inter...  
TH400 Pump + Front End-Play:    • TH400 Build Series - Pump + Front End...  
TH400 Valve-Body + Servos:    • TH400 Build Series - Valve-Body + Servos  
TH400 Filter & Modulator: Coming Soon!
TH400 Governor & Speedo: Coming Soon!
TH400 Different Cases (Chevy vs BPO): Coming Soon!

RESOURCES:
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3) TH400 Repair Manuals: 📕
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3-Ton Arbor Press (12 inch working height): amzn.to/2Reqmyx
Lip Seal Installer: amzn.to/2Gz4KI5
Lip Seal Installer (Huge Time/Headache Saver): amzn.to/2MxUC8O
Pump Alignment Band: amzn.to/2J13lNF
Universal Clutch Spring Compressor (Use in trans & drums): amzn.to/2YHQGn6
Adjustable Clutch Spring Compressor (Use with shop press): amzn.to/2W2DAQs
Universal Bushing Driver Kit (Larger Sizes): amzn.to/2M1aQHn
Universal Bushing Driver Kit (Smaller Sizes): amzn.to/2Et1ON3
Snap Ring Pliers (Clutch Spring Compressor Snap Ring): amzn.to/2GwwixP
Snap Ring Plier Set (Pump Circlip Snap Rings): amzn.to/2IUxpdu
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Feeler Blades (Offset): amzn.to/3Y3ehy1
Pick Set: amzn.to/3F9ezL7
Pocket Screwdriver: amzn.to/3FfsCiC
5) TH400 Parts: 🔩
Overhaul Kit (Includes Bushing Kit, Bearing Kit, Bands, etc): amzn.to/2MhK4e7
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Band (Front) (Intermediate): amzn.to/2EpgZGU
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Intermediate Sprag: amzn.to/2Er0gDg
Low Roller: amzn.to/2QpzOPn
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Bushings:
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Upgraded Case Bushing: amzn.to/3Bjhy2L amzn.to/2M1Ywqk
Bearing Kit: amzn.to/30APEev
Washer Kit: amzn.to/2QgjPmx
Governor Gear Kit: amzn.to/2WjQ7lU
Modulator (Red Stripe): amzn.to/2ErS99H
6) Shop Supplies: ✏️
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DISCLOSURE: 🕵
Links provided are affiliated links with the associated websites. While there is no extra cost to the purchaser, a small portion of the sale goes to support this YouTube chan
All Comments (21)
  • @REPOOCNITSUJ
    Awesome video!! There are so many transmission videos where it ONLY SHOWS DISASSEMBLY!!! Thanks a million for showing in detail how to assemble, and having great camera work!!
  • @nv1493
    You've got knack for clear explanations.
  • @johnnyb7825
    I have watched so many th400 video's and non of them is as clear in speech and view as your presentations! I would like to see a complete build on the th400! Along with some modifications, Like a shift kit And a tranny brake! Very nice details in your video's.
  • @SSRsGarage
    Dude some of the absolute best instructions on these transmission rebuilds !!
  • @tommysadventures
    Thank you you did a complete direct drum video. Many just toss it together and miss important steps. You however seemed to have touch on every step :-)
  • @hackjobgarage9289
    I really like how thorough and straight forward your videos are. I am trying to get myself familiar with my TH400 and ran across your videos. Great job man, I just wish you had more on the TH400!
  • @CORVAIRWILD
    I only help my former mechanic rebuild 1 transmission every few years, but it's still informative to watch your video, you're right to the point and direct and clear. Great video. I'll be rebuilding a 2001 4 4L80E shortly. It shifts perfectly but has 260,000 miles, and I brought the truck for heavy towing, so we'll see what's inside and we'll see how it works once it's rebuilt. I'll be posting on YouTube under the name corvairwild
  • @bobbrawley9439
    Dat was one heck of viideo. Audio and lighting very good. yep, uh hum. A supper detailed demo and explanation . Tight editing is always appreciated. Oh yea. And color marking the tangs and ends are top notch presentation
  • @kevincrowley5064
    Nice set of videos. Thanks for taking the time to create & post them.
  • @skrattedieratte
    Awesome video and great advice. Sub'ed. As I am also currently rebuilding a TH400, it is really helpful to see videos like this! Cheers!
  • @TheBDD1970
    Very well done. You are a very good presenter/instructor.
  • @toddgreen8976
    bought a rebuild kit from Portland trans their kit came with a cd looking piece of plastic for those lip seals pretty slick enjoy your vids great job