TH400 Build Series - Building Clutch Drums

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See what it takes to assemble the clutch drums in the GM TH400 automatic transmission.
With some know-how, these clutch packs can be fairly simple to assemble. However, overlooking some seemingly small details, during assembly, will likely result in headaches on the road test, and could result in a repeat transmission failure.
See what it takes to build the TH400 Clutch Drums:
1). Forward Clutch.
2). Direct Clutch.
Help This Channel Grow:
Coming Soon!
*****TH400 Build Series*******
TH400 Teardown: • TH400 Rebuild Series -...
TH400 Inspection: • TH400 Rebuild Series -...
TH400 Building Clutch Drums: You're currently watching it.
TH400 Building Clutch Drums (Continued): • TH400 Build Series - B...
TH400 Bushings: • TH400 Build Series - B...
TH400 Prepping Case for Assembly: • TH400 Build Series - P...
TH400 Planetary Gear Set - Assembly & Installation: • TH400 Build Series - P...
TH400 Intermediate Clutch, Band, Direct & Forward Drums: • TH400 Build Series - I...
TH400 Pump + Front End-Play: • TH400 Build Series - P...
TH400 Valve-Body + Servos: • TH400 Build Series - V...
TH400 Filter + Pan + Modulator + Governor + Speedo: • TH400 Build Series - F...
TH400 Different Cases (Chevy vs BPO): Coming Soon!
RESOURCES:
1) Apparel:
Eyes: amzn.to/2JguhZN
Ears: amzn.to/3uuVyOr amzn.to/3P7AerI
Lungs: amzn.to/3VGhLoD amzn.to/3FAFX6w
Hands:
Nitrile Gloves: amzn.to/2Y6XwSN
Work Gloves: amzn.to/3ux43IT amzn.to/3P9xtpN
Feet: amzn.to/2GD9eP7
Work Shirt: amzn.to/3HhDdMf
Work Pants: amzn.to/3Pfe8nq
3) TH400 Repair Manuals: 📕
amzn.to/30DYx6Y
4) TH400 Tools: 🔧
230-Piece Tool Set: amzn.to/2L0AtWv
Pump Puller: amzn.to/2VmhXgZ
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
Feeler Blades (Straight): amzn.to/3uwQTvi
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
Valve-Body Kit: amzn.to/2HwNAwE amzn.to/3iKqF67
Accumulator (Aluminum): amzn.to/3FhYxzt
Band (Front) (Intermediate): amzn.to/2EpgZGU
Band (Rear) (Low/Reverse): amzn.to/2QjqpbN
Intermediate Sprag: ebay.us/PA63ZL
Intermediate Roller: ebay.us/lK2SXd
Low Roller: amzn.to/3W17C5P
Pump Gears: ebay.us/uLDtbP
Bushings:
Kit: amzn.to/2QpxY0V
Upgraded Case Bushing: amzn.to/3Bjhy2L
Bearing Kit: amzn.to/30APEev
Washer Kit: amzn.to/2QgjPmx
Oversized Washer: ebay.us/H5BzBd
Governor Gear Kit: amzn.to/2WjQ7lU
Modulator (Red Stripe): amzn.to/2ErS99H
6) Shop Supplies: ✏️
Transmission Assembly Gel: amzn.to/2WrN7nT
Thread Locker: amzn.to/2YLtmFk
Brake Parts Cleaner: amzn.to/2HxQ1Pz
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 RU-vid channel.

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Опубликовано:

28 ноя 2022

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Комментарии : 44

@chuckym1068 2 месяца назад

Very informative videos. Thank you for the time you devoted to educate the rest of us.

@warrenmoore3006 Месяц назад

Very Smooth & Thorough! Thanks guys I Follow you Well 💥

@southshoreimaging3459 Год назад

Kudos to these guys that can make a living working on these old cars

@samkaplitz9036 2 месяца назад

It's hard to comprehend how they designed & manufactured such a complex unit! Appreciate the video.

@SouthpawAutoworks 2 месяца назад

It must require quite an imagination. Appreciate your comment.

@VRMN8R Год назад

What an amazing set of videos you have put together. Overwhelming amount of information and the time you have taken to do this. Thank you very mush for this series of videos.

@petergodinez6108 Год назад

As always great information thank you

@SouthpawAutoworks Год назад

Our pleasure!

@Fj-fe6co 10 месяцев назад

Like the last person said. Amazing. My dad ground crankshafts. Old school master at work..👍

@SouthpawAutoworks 8 месяцев назад

Crankshafts....Right on! Appreciate the feedback.

@Livetowrench Год назад

Great video thanks

@SouthpawAutoworks Год назад

Glad you enjoyed it. Thanks for dropping us a line!

@BigFun4Life Год назад

Great informative video thanks for sharing your knowledge..

@SouthpawAutoworks Год назад

Hey, good to see you on here, again! It's our pleasure. Thanks for paying us a visit, and dropping us a line. Have a great weekend, Kip.

@BestPriceSunCoastTransmissions Год назад

Excellent video.!

@SouthpawAutoworks Год назад

Thanks!

@kenchaffin4946 Год назад

Wonderful video

@SouthpawAutoworks Год назад

Thank you, Kenny! Cheers!

@patveltri8531 Год назад

Great videos, looking forward to the remaining parts.

@SouthpawAutoworks Год назад

More to come...soon!

@metalworksmachineshop Год назад

😎

@jraydelatorre Год назад

Enjoyed the video very useful information

@SouthpawAutoworks Год назад

Glad it was helpful. Thanks for dropping us a line!

@TheNachoDaddy 10 месяцев назад

Appreciate the extra detail on the snap ring installation at 21:32

@rrip1 Год назад

Great video. I rebuild about 10 TH400s a year and have trouble finding good used pumps and reaction carriers.

@SouthpawAutoworks Год назад

10 per year, right on. Definitely getting harder to come by some of these things. I cringe at the thought of how many older, but still sought after, transmissions have been sent to the crusher/scrap. I picture a trans with some smoked clutches, but perfectly good hard parts, that could be salvaged.

@flinch622 Год назад

While I do like the amazon links, I notice a perennial problem over the years: listings die where part numbers may still be good. It might be a bit of trouble, but listing actual oem and part number will stand up better over time. Great vid series, and the attention to detail is excellent. .

@SouthpawAutoworks Год назад

It has been an ongoing problem, for sure. That's a great idea. Unfortunately, there's a character limit for the video description...and it's already up against the limit. A few years ago, I was building an online store, to sell transmission parts. However, I quickly realized that there was not enough time in the day to operate the store and simultaneously operate this YT channel. When I can get more hands on deck, I hope to revisit the idea of an online store. This way the links will be more dependable. Thank you for your input regarding the links. Appreciate your feedback on the video series.

@TheNachoDaddy 10 месяцев назад

@@SouthpawAutoworksMaybe you could just link your own website in the description, then use your site to publish the Amazon/eBay links w/ part description. I’m using your Amazon links where ever possible, but like the previous poster mentioned, some are dead already.

@greg2469 Год назад

A couple of things: This is a very good series. I'd never seen the inside of a transmission but my RV lost forward movement. Using your series and a rebuild kit from NAPA that only included seals and friction plates I'm sitting in the American Legion parking lot and rebuilding it. I'm reassembling and had 2 wavy rings left over. Google lens identifies them as fwd and direct apply rings. I don't see them in your video. I found a schematic so I have an idea where they go and I have to open the drums again to install them. Are they necessary? Also, since I'm doing this to become mobile again and I don't have the TransGo shift kit I wish you had identified the location of the check balls directly instead of in reference to the shift kit. Thanks for your effort in supplying these videos. Well done!

@lawrencetrapani5623 7 месяцев назад

Your channel is the BEST of them All! Makes it a little confusing as to some things like how does one get all the necessary things from one source. And is there a preference on what company to purchase their rebuild parts from?

@DavidFloer 2 месяца назад

Neither one of my pistons has a check ball, this transmission is a rebuild from somewhere else. I bought the truck as is. The transmission went out. As I take it apart, I discovered both pistons don't have check ball holes in neither of them! What do I do now?

@ijteague Год назад

Do the pistons come in different thicknesses? I tore one apart and it has a dished steel at the bottom where the wave plate would go. If I replace to a wave plate, I am way off on the play. I have way too much even with all thick steels.

@davidreed6070 Год назад

Will an aluminum drum hold up with teflon seals if it doesn't have a liner in it.

@yellowgas66 10 месяцев назад

Great series for someone like me. I’m going to build my first 400 one part,if I need it,is the accumulator from Amazon not available.can you recommend another? Thank you

@SouthpawAutoworks 8 месяцев назад

Glad you're enjoying the series. Bummer about Amazon. Wish there was a more reliable method.

@lawrencetrapani5623 7 месяцев назад

Do you bench build transmissions and ship them back? Where are you located? And.......do you sell kits for the TH400? And parts?

@tommyspencer7891 Год назад

The link for the upgraded case bushing is for a faucet splash pad. Lots of other items are unavailable, like the sprag and pump gears. Any other sources for these parts you can suggest? Thank you.

@SouthpawAutoworks Год назад

Thank you for the heads up. I'm looking into this right now.

@SouthpawAutoworks Год назад

All of the TH400 links have been inspected. The ones that were listed as "currently unavailable" have been updated. And yes, the kitchen faucet one, too. Unfortunately, it looks like this may be an ongoing issue. A number of the listings that were updated, stated that they only had a few in stock...sometimes even showing only "1 in stock." When time permits, I'll see about partnering with a company that can reliably provide parts/tools. Thanks again for the heads up.

@anthonymaresca4839 Год назад

Is it possible to get new parts to make a new thm400? I have an old 86 Chevy G30 and my transmission is going. Just want to know how much building a new one would cost me.

@SouthpawAutoworks Год назад

G30, right on. Overhaul kits are readily available. You can find links to overhaul kits, and other items, in the video description. Current pricing can be identified by clicking on the links. 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 RU-vid channel.