TH400 Disassembly For Dummies - C10 Muscle Truck Build
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- čas přidán 19. 09. 2022
- In This video we tear down the TH400 to see what parts we need to fix it.
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"I don't have no clue what I'm doin' , but I'm gonna figure it out." Spoken like someone that knows what they're doin'
Bob, you are a brave man sir. I've never had the guts to try and tear apart a trans. I've done a lot of work on cars and trucks in my years but the trans is one area I never wanted to mess. with.
I ain't scared. LOL
@@RatRodBobBuilds Hahaha! That's the spirit!!!!
The lazy robot could be handing you tools...
The trick is not being able to tear an automatic transmission apart. The trick is being able to put it back together and have it function properly the first time. The problem with so many automatics is that even the same model will have evolved in manufacturing from year to year, so to get the right documentation for the right year, and understanding the details, the subtle parts is what's important in order to put them back together so they shift right, shift at the right time, etc. All those little ball bearings are check values and must go in the right spots.
Good experienced transmission builders are worth their weight in gold.
I have no idea what I’m doing but I’m gonna watch rat rod Bob and I’m gonna learn from his school of rat rod Ology!!! Thanks Bob 👍🏻as always!!!!
Done worked 10 hrs. Drove an hour to feed the oldest sons cat and dogs as he is working in another state. Union Pipe Fitter. What ever it takes ; ))
What local?
Check the drum with a straight edge, if you can see light between the straight edge and the drum, replace it. If it's flat, use emery cloth to knock off the glaze. You're doing good Bob, just take your time, it's a fairly simple transmission.
Well Rick I'm pretty sure you can not only see light but probably could read the newspaper thru that straight edge. Gonna have to see if I have a better one in storage.
I rebuilt a 4l60 I found a you tube channel called the transmission bench the videos are great. I bought a kit from him and he answered my questions. I can't say enough good things about him.
Years ago I built a table that had sides and would drain the oil into a bucket. I worked on hydrostatic pumps and motors. That was years ago, now I would be taking a picture with my cell phone every 2 minutes. Good work Bob.
Dang Skippy I ain't never seen anyone tear apart on them transmissions my brother tried to do one for a mustang a long time ago it did not work and turn out too good for him let's pray you get that you'll go and going right I love the video thank you for showing us
I've never touched an automatic but I have rebuilt Manual transmissions from several manufactures. One thing I've found is to watch CZcams videos for pointers, you can spot a hack really quickly and you just search until you find a knowledgeable people.
I’ve been turning wrenches on all sorts of stuff for most of my 75 years Bob. I’ve never had an automatic transmission apart. Good for YOU!
That transmission was out of my 70 Chevelle before I passed it on to you. It worked. That converter is a loose one!! It was over 3000 stall behind my mild 454. I was wondering where my early oil pan went! The early pans have what looks like a heel print in them. I don't remember what year the actual trans is. The tag on the side of it will tell you. Looks like it will clean up ok. My advice would be to split the pump in half and inspect it. I don't remember if that's the one that made noise or not. Its been a long time! Also , inspect the way the center support fits the case. Turbo 400's are known for wearing out the case ridges that locate the center support. If the support fits loose front to back when the snap ring is in , you can buy oversized ones to take up the slack. If I remember right , one from a 727 torquflite is an old racers fix. I used to know a lot more about them , but its been 30 years since I last built a 400.
Thanks for that info and those tips. And of course for the transmission. You see I still have everything you sent me ... waiting for a new life. If you need that pan back I can make it happen. I have other later models ones I can use here.
That's ok Bob , thanks. All my cars are manuals now. @@RatRodBobBuilds
Great video as always Bob. Riveted as always! Keep them coming sir. Always look forward to the next video Bob. Totally love the channel. Keep On Motoring Brother!!! 👍🏻👍🏻👍🏻
Thanks for the hot rod transmission class Bob!
I’ve taken a thousand of these apart and back together but figured I’d go ahead and watch how you do it Bawb!
wayment ... a thousand ?
Iv watched probably 300 tear down videos on 400s n different kinds n yet to see that filter till now. That's a new 1.
that is an extremely early th400. Very few made like that.
@@timwiltse365 I looked into it. Pretty cool. I have a 475 that I'm rebuilding that I got from a motor home with I think 32 thousand original miles the kid said. I took it apart n it was perfect. Even the seals. Course still getting replaced anyway.
Renaissance Man: a person with many talents and areas of knowledge.
Ok .... so what's the word for ... Jack of all trades but master of none? 😎
Just a compliment on your many talents. I learn something new with every video.
“A jack of all trades but master of none is still better than just a master of one.” I think this is the full quote.
That wear in the pan was fine, could've cleaned it & put in truck. Seeing how you did pull it apart, you should've taken end play checks front & rear (that book you got will give you acceptable clearance specs. The filter is different because you have an early model. If you've got another TH400 laying around with late model filter use that pan and order late filter (those early cans are junk and 3 times expensive to replace) Before ordering parts, check that tag on the case the first two numbers on the second row will give you the year. Nothing wrong with the surface on your reaction carrier (Don't try smoothing it out, It needs that rough surface for lo/rev band apply) you can hold a straight edge across it, hold it up to light while with your straight edge against it, don't see light under edge, it's good, re-use it. mic your frictions & steels (they come in different sizes to take up clutch clearance in drum.) Good rule of thumb for clutch clearance .010 for each clutch (if you got a 5 ct. clutch pack you want .050 on your cl. drum clearance 6 count .060 etc.) Replace the Intermediate sprag (they're cheap insurance to hold 2nd gear) Pull the pump apart to check gear wear, you going to replace pump bushing anyways. No hard part damage you good, just order paper & rubber kit, clutches if you want to freshen it up. Although them you pulled out of there would work fine. Yes it already has a shift kit installed by trans-tec.
Wow! I asked for help and you stepped up. I really appreciate all that information and tips. Pretty sure that "reaction carrier" will show light under a straight edge. Got it, on the clearances ... pretty sure they're both 5 ct packs. I'll have to get the book out for sure on assembly and I'll check the end play then ... I reckon since I didn't before disassembly. The pump bushing looked like new do I still need to change it? To bad I ain't your neighbor.
I think he got over his head that valve body doesn't even have a place to bolt the late filter
That drum is made that way it's not ruff
@@Louis-qi1gz I'm using the early filter because I already had a new one but thanks for your input.
Yep 👍
Anyone wanting to learn transmissions, the early 2 and 3 speeds are the way to go.. Not too complicated and there are books to really help you out. Patience is needed, can't buy that though, haha.
Nice to see you do transmission too Bob, Ain't Skeered! lol
Thanks for checking in Jimmy. I try to do it all ... key word here is "try". LOL
This guy says he's not a transmission mechanic but he explains every part and what it's purpose is while he's disabled it nice job sir
for those of us with sore backs...use an engine stand to hold any transmission up high enough to sit down in a chair--you can even spin it easily. you just won't be able to shove a torque converter onto it. Take the apparatus off the engine stand that you normally bolt the back of the block to, arrange it to bolt onto the transmission's bellhousing, and then just slide 'er onto the engine stand's male fitting (trying to hold the trans in the air while bolting the stand to it is just plain tiring)
Boy you are building my confidence on tearing into a transmission bob ! Great video!!!
Thanks For Showing Us Back Yard Mechanics How To Build A Turbo 400, Very Interesting, Keep Up The Great Work Rat Rod Bob 👍
Loved the video my friend, God Bless be safe and have a good one. Thump up.
Cotter pin tool or a radiator hose tool makes getting the big snap rings out a little easier but a big flat head screwdriver works too. Thx for sharing!
Like this guy loves old timer he knows alot like know what town and city just chat with him I have lot's old trucks and transmission
I'm seach him own Facebook
One thing you want to be oily is the trans inside. Thanks for the vid helps dummies like me. Smash that like people...I subbed to the other channel too bawb
My father used to say, if you can figure out an automatic transmission. Dealing with women will be a breeze. I've been married three times. But I'm still learning at 60. Thanks Bob.
Got so old I had to give up on the women so it's transmissions for me ... and I can't use the word trannies here. LOL
Hey Bob.... Tell Red old Elvira turned 71 this week....lol.
Very impressive Bob! I learned a lot!
It's all coming along great, all the best to you and your loved ones
Great video - thank you!
You are fearless, Bob. Good luck. 👊😎👍
Awesome Bob.
GREAT Video, and reason I WILL NEVER try to tackle this!!! Thank you 🙏🏻
Much respect to you and Transmission Experts!
You know what you are doing. Respect.
Look forward to seeing the re-assembly Bob 👍
Great video as always Bob, I love your productions! Great eye for tasteful smooth cars unlike that badChad guy...
Right! I was laughing m. a .o. when he was trying to do some "pipefitting" on that 1948 truck.
Well I like Bad Chad because he ain't scared to do it the way he wants.
@@RatRodBobBuilds I totally respect that and realize we all have different tastes and we stretch budgets when needed but so many parts are just plain next level dangerous. Could be a tool for building subscription base too.
First time seeing the inside of a automatic transmission. You're making it look fairly simple, not too scary 😉. Looking forward to seeing the reassembly. At least Red did the camera work for you 😂🤣✌️.
Reds getting pretty good with that camera .... right?
Most GM automatic transmission are fairly simple even the 700 r4 I built one for a retired Colonel Vietnam vet on the back of S10 tailgate for his Cadillac front wheel drive 15 years ago and it is still rolling,,,,he said his mind was blown lols 😎 I told him it was just transmission nothing major Colonel lols.old man Bailey Roger's God rest his Soul.
Awesome job Professor Bob!!
Great video Bob, thanks for showing us how it is done. Can't wait to see you put it all back together man..
Going back as we speak ... give me a week. LOL
Awesome video Bob I appreciate you 👍
I really enjoyed this video. As all of them I don’t think I’ll ever try to rebuild one but I appreciate knowing that maybe I can. Thanx much Bob
I enjoy your videos Bob.
Nice work Bob , If you never try you never succeed.
Great video Bob
That filter came from an older trans. The newer ones have a bolt that hold the filter on. The bolt hole is in the valve body, you might need to swap in a newer valve body because it has the tapped hole for the bolt.
Fantastic video.
Hi Rat Rod Bob 😁 again from here in the D Michigan 😎 hey Thanks for your time and video of the rebuild of a Automatic Transmission, I really appreciate it.
Enjoyed watching Bob! Can't wait to put it back together!
Heard that!
Great job Bob 👍👍🇨🇱
THIS IS THE VIDEO FOR ME ,AS I AM A BIG DUMMY!
LOVE BOTH CHANNELS BOB
GOD BLESS YOU AND YOUR LOVED ONES
GODSPEED
I'm learning Professor!! Preciate ya Bob!!!
Great Video Bob! Greetings from Sweden!
Hey, thanks!
Great video...best on the internet
Good job Bob, first and only time i did this i had to go to a bigger hammer, It came apart real easy then.
Really good video Bob, i know way more about an automatic transmission now than i did 35 minutes ago, which still isn't much, lol, but you look like a pro, you ain't afraid of nothing, catch you on the assembly video
Don't get no simpler than with a 400. Great one to start with!!!
Isn't a 2 speed Power Glide simpler?
That’s the way to do it. Want it done right, do it yourself. I rebuilt a C4 with the help of a video, can’t believe it works great. No big deal, just check your tolerances.
Good video. Like you say recording the disassembly makes it simpler to put it back together. Be safe and stay well.
Man I hope so .... LOL!
New modulator look clean
Hey Bawb, Your doing good!!!! When I worked in the transmission shop, drove towtruck and pulled em back in, then pulled the trans out, big guy did the rebuilding, then i stuck them back in. Couple of times he would get backed up and i would help put clutch pack together and a few other things, never could seem to get the little balls back in the right pockets, and several times ballpoint pens donated their springs for me, so i just stuck to pulling and putting!!! But i've got faith in you to get it back together with everything in the right place the first time!!!!
Great video Bob! I've never had the balls to do a trans. I can't wait to see you put it back together.
I hear ya. Videoing the process will not be easy but I'll do my best. It's just components ... build one at a time and stick em all together in the correct order. LOL
One of these days I'm just going to have to try it I guess. After I watch you do it first! Lol
Thanks Bob 👍
Thanks for sharing 👍😀
I like a educational video like this one
There's nothing to it but to do it.
I like to say. Great video Bob. I notice ole Red is MIA when there is work to be done. 😆 see ya next time.....
Worth the watch man! Interesting to see it come apart.. always heard don’t do it, I’ve got a couple of these kicking around and usually pay the 1100 for rebuild because it’s over my head.. maybe one day I’ll get the balls to try? Great trany never really had many problems with TH350/400.
Oh and this Louis character that knows so much in these comments of your thread Bob , I know guys like this there a know everything do nothing thanks for sharing what you do know keep these videos coming sir!
Thank you great job..👍👍👍
Good good stuff.
Cool, thank you.
It's easy and the main things that I can point out are make sure you clean everything very good, especially the valve body as metal from the clutches can make a shift valve stick. Next is when you put the new seals in the drums and the clutches make sure to reassemble the clutch pack then use a magnetic base dial indicator set to zero touching the last clutch disc or friction disc then lift the clutches with a pick to get the end play up and down of pack and compare the spec. from factory. When you put the pump back in with all the roller bearings and shims against the pump housing between the first drum and all the other goodies then with your dial gauge on zero touching the very end of the input shaft then lift the shaft towards the converter and pump while watching what the end play. End play of input shaft, clutch pack play, and a clean valve body will get you there. Upgrade and planetary gear from 3 to 5 planetaries and the drum that look like 1/8" steel is the weak point! If power is involved put the upgrades in. Best option to add holding power is to add an extra friction and steel to clutch drums, machining the drums is the only way other than buying drums that hold extra steel and friction. Good luck and Haynes manual and a positive attitude will be all you need to get threw it successfully. Oh, and if the harder seals give you trouble going in put them in the hot sun on a black piece of plastic and let the sun warm them up or very HOT water to submerse them in to get them flexible.
Great tips ... especially heating the seals. Thanks.
Mr. rat ,you have balls of cast iron ! That’s waaay too much stuff to keep track of and then re assemble ! I have to remind myself that old guys really do rule!
Done my first turbo 350 years ago and it was in a chevy 4 wheel drive and no go. pulled all back out transfer case and all to fine 1 check ball in wrong spot. Lesson learned check the check ball location, take pics, read the book. But now all you have to do is watch Rat Rod Bobs and you can do it.
That's the only A/T I've ever done. Ive got the getrag 360 out of the beast and puting it back together today. Almost done but not yet. lol Take care brother.
I've rebuilt several engines but never had the nuts to tackle the automatic transmission. I paid a pretty penny to have my TH400 built for my BB Camaro in the 80's too.
Weavers auto is the best trans man around me just great work
Rossler ... up here in O hi o - Girard
If I get a Turbo 400 trans and combine the parts to build my A-904 trans , I could have a TA-1304 transmission. All jokes aside very good demonstration on how to remove and keep the parts in the order removed. That will help tremendously when it comes time to reassemble.
Man I need u as a dad
Enjoyed your lesson on TH 400 trans disassembly a lot. Not sure I'm ready to dive into auto trans rebuilds yet though. Your video coverage is excellent. Was Red the cameraman ? LOL! Thanks for the educational look into auto trans teardown, looking forward to the assembly lesson. Thank you for informative videos, all of which are excellent .
I agree. Transmissions aren’t really all that hard to work on. They’re hard to understand so if you’re going to design some sort of modification that would be difficult but a friend needed to rebuild a 700 R4 and neither of us had a clue what we were doing and I just said let’s wing it And we grab the book like a Chilton manual or some thing and we pulled everything apart and Summit had a kit that was a rebuild that had almost everything but we had to buy two gears and I think there were a couple O-rings or something we had to get. I don’t remember but it took us the weekend but we figured it out from a book and it wasn’t too horribly confusing. He did most of it but he wasn’t too mechanical and Mechanic I probably wasn’t at the time either and it came out working pretty good.
700’s aren’t bad, I rebuilt one in a college class, worked perfectly on the transmission dyno.
I agree , most people see an exploded view and say no way! But ounce you tear one down and see it's not that bad. I've done 7 and not had 1 fail yet. Good book is a must.
I had no idea how much the inside of an auto transmission was like the inside of my Model T transmission... triple gears and bands!
Th 400 we used Cadillac high gear so it will hold more clutchs ,trans specialty NY made a great full manual valve body
The one special tool you should have is a ''Universal Transmission Lip Seal Installer & Protector'' (search this for a picture). Not some thing you have to buy you can make your own with guitar strings. All it is, is a piece of brake tubing with a .016 and a.035 hard wire loops smashed in the ends. But it will make installing the piston seals so much easier with out damage.
Turbo 400 and its son the 4l80e are actually pretty easy to tear down and rebuild.
Enjoyed the video Bob! One task I would never try is to tear apart a transmission. I purchased a new 700 R 4 from Monster for my 39 olds. They don’t give them away….😂 have a great day Bob. 👍🇺🇸🙏
Yea I drool over those built trannies ... but the prices ... dangit!
@@RatRodBobBuilds i believe they hit me for $3200.00 which includes all hoses, torque converter, cooler, etc. You can have them painted purple, green or silver….I went with the silver and is built to handle 450 Hp. Took 8 weeks to get it which I went there to pick it up and they gave me a tour of their facility, tossed in a couple cool T shirts and a hand full of stickers…..their facility is located in Brooksville Florida which is a little over an hour from my house in Clearwater florida. They recently broke ground there to build a 1/8 drag strip and they already have a burn out pit where you sign a waiver and can burn the tires off of the rims if you want..😂😂 nice facility…I
am
Running a ZZ4 350 4 bolt main which puts out around 395 HP. Just purchased an original Bat wing air cleaner which looks great…slowly I am putting the old girl back together and hoping to be finished by the November Turkey Rod Run in Daytona florida……take care Bob and tell Red to tighten up! Have a great rest of the week and have a bitchen weekend ole boy! 👍👍👍🇺🇸🙏
Thank you
Far as I ever got on a transmission is a shift kit once you get past taken that valve body Damn that's where I say that's enough way to go Bob Thanks for the video
If I can get the assembly video done with some details maybe things will look a little easier. They are a little stressful to think about though ... right?
You Doing Good Bob, Transmission's are about the Only thing I don't know how to fix, Thanks For This Video Bob, Put That Lazy Ol Red to Work at least Handing You Tools LOL Keep'em Coming 👍
Lol heck I ain't no "transmission guy" 😁 I was lost when you pulled the governor off. And those steel balls you pulled out 🧲 had me assured that I'll never tear a transmission down without supervision. But I would %100 like to learn how so I can know how. I ain't NEVER enjoyed having to pay someone else to do something for me, especially on my vehicles.
Wish you were my neighbor we would never leave the garage 👍👍👍👍👍💯
Ha haa ... sounds like lots of work. I already wanta take the rest of the day off with pay. LOL
Looks to be an early THM 400, I've seen early Cadillacs (68-72) with the metal filter.
Yeah but that would be a BOP trans
@@charlesbranum1661 same guts
This is why you are the professor and we are the students, there no way im doing that lol , , wow not for me.. your awesome professor Bob
I had to rebuild a 4l60 but with my wife on Google showing me pictures it went pretty smooth, I think the grey matter in the pan is from the clutches bedding in but that's just a guess, nice work Bawb
Yea those clutches bedded in pretty hard. Probably budget clutches and lots of Horse Power! Got reds coming for it.
The good thing about videoing the pull down is you can watch it again to make sure that washer is in the right place and orientation.
YES!
💪🏾💪🏾💪🏾💪🏾💪🏾💪🏾🔧ing 💙
Got out of shower. Was gonna crash. Then i ceen your channel )
Thanks for this Bob👍🏽😀 , because I want to do it to a auto one day, I did manual box before but never a auto , the one in my 1996 Rav4, may need doing at some stage ? Plus a project car at a later date 👍🏻🤙🏼
Excellent video and instruction Bob. I really enjoyed it. Thank you ! Thank you ! The film crew did nice work also !
When I was 19 I tore apart a turbo 350w/ short tailshaft, came out of a early 70's Nova, it had a small block in it, 307 maybe? Anyways, yeah I tore that transmission apart right on a girl's kitchen table, went and got a rebuild kit for it and put it back together, then put it back in the car, I think she didn't have first and second gear or may have been second and high gear, anyways the thing wasn't shifting right so I took it out and took it apart, put that kit in it and then put it back in the car for her, that fixed it, it shifted like it suppose to. Oh, put new fluid in it to, along with some Wynn's friction proofing, you remember that stuff? Wynn's made some good stuff. Yeah I was 19 when I tore that one apart and put it back together, that my first one, so yeah, I dang sure wasn't no expert or anything, I went to school at Ft Knox to be a mechanic but it wasn't for no Chevrolet transmissions, or GM transmissions but I kindly watched my old man work on transmissions some when I was a kid.
Some folks got what it takes. Sounds like you have it!