What a joke this is people!!! We have barely 70k miles on this 6L80E and of course it’s not good!!! 

Today: "After these videos, you guys ought to be doing 6 speeds at home in your garage" Next month: "This looks like something somebody put together in their garage"

We are good at taking them apart but someone never shows videos on how to put them together.

After seeing the footage, I would feel absolutely confident of disassembling one of these. However, putting it all back together again would be a completely different situation, indeed, after the first set of bolts were removed, I was completely lost.. :D You're clearly a master mechanic and years of experience and my hat is tipped in your direction for your ability, but looking at all that complex parts on the bench has stunned me. Reassembling something like this is impossible for anyone other than a qualified mechanical engineer and there's more chance of me going to the moon than to attempt something like this.. Brilliant to watch, still got a headache from the miriade of parts, but I was transfixed the whole time..

All those parts in a pile made me very anxious. This guy could put it back together blindfolded. Clearly a master.

That check ball is supposed to be there. That is a version 2 type 2 spacer plate. Look further into the shift kit instructions they will show you how-to ID the spacer plate.

GM. The new gm is now like Garbage Motors when it comes to quality control & life expectancy issues

The longer I live, the more thankful I am for techs and engineers with minds like this man’s mind. Bravo, sir. And thank you for sharing your knowledge with such calm demeanor.

I find it hilarious that there are still those that state these vehicles today are designed to go 300000 plus miles "with proper maintenance" is the key words used in order to pin the fault back on the customer. In reality they've over engineered these vehicles with multiple design flaws to the point I have to say it's intentional.

Thanks Richard, you always make it look so easy. I appreciate the explanations you put with all the tear downs. I know it's lots of work to put these video's out, I wanted to say thank you.

Until I subscribed to your channel, transmissions were the only part of a vehicle that was alien to me. Won't be long and I will be comfortable enough to do one at home. Thank you so much for all the invaluable information you provide. Keep the videos coming Richard! Thank you

Only true modern "bulletproof" transmission is the Aisin transmissions used by Toyota/Lexus...

I'd like to see a video on doing the mods and reassembly. You make it look like cake tearing them down and slinging parts all over! Love watching and learning!

I'm going right outside and pulling my transmission from my car..........NOT!!!!!! My wife saw the video. She just sat there the whole time with her mouth open. She's found a new respect for her car and people like you who work on them.

That "spare check ball" is the ball check valve for CBR1, helps to smooth downshifts a bit. the earlier 6Ls didnt have it but they added it later for shift quality concerns.

I'm in awe of how skilled you are. It also reminds me that someone designed this in the first place and they were pretty smart too. 😔

Every time I watch a Precision Transmission video, I get the urge to go outside and start unbolting my 6L80E out of my truck in the driveway, even though it works fine!

Richard, I am still waiting on 8L90 overhaul.😀 It was good to see you guys last year!

Richard, do you have a “Precision Transmissions Approved” list of other shops in other states? Might be hard to get my transmission to Amarillo from Phoenix in one piece. You can go to these other shops and watch them tear apart abs rebuild transmissions and give them the Annie Seal Of Approval.

GM trans. has always been a joke. I remember my best friend in high school in the early 80's, defending his GM truck. Calling it normal to replace the transmission every 70k. Some things never change.

Amazing to me someone even came up with an automatic transmission. Looks like a maze.

That transmission makes the internal components of a Swiss watch look simple by comparison.

I love these videos. Shows your craft and how a person could do it yourself. However in doing so, the majority of us realize we're better off just having you do it. :)

I rebuilt my own 6L80 at home and did just fine. My advise if any one tries to do one on their own you need to know when Richard tears these transmission apart he does not show you the how to replace the bonded pistons or o-rings in the drums. I had my biggest problem with putting a Sonnex Zip Kit in my valve body. Get yourself a ATSG book for the 6L80 it will help out a lot, I got my book from amazon. Richard is right it is something you can do yourself at home if you are mechanically inclined but you will have to buy a few tools to do it.

It looks so simple opening it up and tearing out bits.. Getting it back together so everything still works is the reason I'd never do it at home.. Sort of like abdominal surgery.

Your videos are always educational. Much respect for your years of experience. Just lost the 6L80E in my 2018 Silverado 120,000 miles and never towed anything. Changed fluid at 50,000 and 100,000. Guess it wasn’t often enough. Thanks again Richard. 🙏♥️

mines at 110k i did a flush at 100k and i’m still doing just fine 🤷🏼‍♂️ 2014 1500

The sweet music coming from that air gun makes my toe jump up in my boot.

I work as a gm tech 70 to about 100k seams to be the mileage they go out if they are going to go.

Another genuine american automotive engineering marvel!. this is why Japan has excelled!

As an aspiring automotive technician, I’ve recently found myself gravitating toward transmissions… I’m curious if you guys have any suggestions for accelerating my knowledge, other than going to school. Would applying at transmission shops be completely out of the question? Love your channel! Thanks for teaching us!

That's a cool table! Its like an autopsy table for transmissions. 😅

ha ha ha I am totally lost on trans's like this you do this every day I have a 2014 silverado 1500 4x4 and it needs a over haul can't find any one in northern MI I cant trust with my truck and don't want it sitting at a shop for 3-4 months .

I like the fact that you went back to the air tools. I knew you were going to when you switched. Doing a job like you have for so many years you get used to the way something works. I must say the air tools are faster IMO. Thank you for the video! I guess the advantage would be a person would not need a air compressor but once you have you won't need worry about battery going dead.

The 8th check ball is not necessary. Frankly you can remove 3 of the check balls and trans will be rough but will work fine. The 8th ball is for the low reverse clutch which has so much wave plate on it, it's fine. However it "should" help with the 1st engine braking clunk some people get. I don't know, never had a 6l80 with it.

I own (bought new) a 2019 Chevy Silverado 4x4 1500, took it to the dealership (29,672 mileage) for service (30,000 mile) and was told I needed 4 new tires, they are worn down (factory Michelins). I guess things made today are not meant to last.

That’s why I went to the 4L80 instead of the 6L80. To much problems at short mileage.

GM used to make great automatic transmissions. Now they are junk.

I am going to have trouble rebuilding one in my driveway without the yellow snap ring tool!

Wonder if you really needed to tear this down that far for a shift problem? More time someone has to pay for labor if not needed? Do you ever do CVT or the dual clutch failures in a 2016 Tuscon they could never fix? You talk about kits but not sure what is included and what is extra parts above and beyond. My younger brother could never put back together anything he took apart!🤣

This guy thinks way to highly of his viewers.. Ain't nobody doing what he can do in their garage. bravo man!!!

what a pile of junk transmission intercollegiate to bell housing extreme goofy gm had to have knew it even looks week

Today's gm trans is the old 80's dodge trans

As I can't drive to Texas to have my trans done, do you recommend any shops that build and ship with warranty? I'm mechaninicaly inclined and would triple check everything

Ahhhh yes. " dodges trannys are terrible"! Haha dodge zf 8sp is best tranny on ths planet!

When I see low mileage/km transmissions damaged, I suspect the driver has a fair bit of involvement with the premature wear?

Thank you for all of this incredible and invaluable information you are a gift to the rest of humanity both you and your wife/SO thank you!!

Sign of a good mechanic or rebuilder,,, When tearing down the components he was looking for not only the standard things but the unusual things that many would not see until during clean up or reassembly,,, He is not just in a hurry to tear everything down but using his eyes looking for things and that is a cut above.

70k 😂, thats is about the life expectancy of a 6l80

You’re videos make me appreciate the great techs (there is a lot of lousy ones out there!) the ppl that keep the world moving! keep on keeping on!!!

Richard I've never heard you mention or discuss steps that can be taken in the rebuild process to prevent the pump wear and all the other wear points,,, are those being addressed in the rebuild or is that just the built into the design forever ? Is it destined to be a 100000 mile transmission even after a top notch rebuild and diligent maintenance ??

My 170k mile 6l80 behind my 6.2 in my AWD Yukon is still ok. I still should refresh it.

I thought this was the transmission the LS guys were in love with. Seems like nothing is built with quality anymore.

Thanks for this video - I watched out of pure interest as I’ve never see a disassembled transmission before. A true professional sharing his knowledge - great video, thanks

No thanks. I'd just pay a professional. I'm highly trained in my specialized field and feel that I am very good at what I do. It doesn't pay off in the long run try to do some jobs that you have no experience with. For example, I am a lousy painter. A pro will be faster, cleaner and do a much better job than I can, for less money. My spare time is very valuable to me.

Seems as though TransGo specifically knows something about that one check ball because they put an "X" on the diagram so, it's likely a phone call to them will answer the concern. It's good to know your shop checks into those issues before making the decision to go with or without it. You would think those "paddles" in the pump are what damage the bell housing side of the pump. Maybe GM needs to go back to a ring gear design that has way more surface area to take up the stresses. It's really interesting to know that your shop processes retain repairable and reusable parts vs. depend on suppliers 100% with each build. I'm finding out there are many trans builders who do not save good parts or stock up on new parts to have a buffer when parts are on backorder for one example. That is simply common sense for this kind of specialty.

Planned obsolescence

Ms. Teresa needs a mic!

Its nice to see the teardown, but would like to see the build with all the good Sonnax, Transgo, ect parts. The repair of the stator pump valves, ect. Any special checks that you do that most transmission guys don't do when assembly this transmission. Thanks

Richard I can not get enough of these videos. You have taught me soooo much.

These videos really make me regret buying a 6l90 for my project car but at the same time empower me to fix it if something does happen.

New u tube sucks can't watch vids with out something happening to it vid goes black or vid stops

Right on hi from Saskatchewan Canada 🤘

Great video!! Is it just me, or does the GM transmissions seem to fail far more than the Ford transmission? All the transmission shops here in NW Arkansas have a 5 GM products parked out front to 1 Ford. A good number of Dodge/Ram as well-more than Fords.

The 6F35 is my fav transmission to rebuild.done it already and just take ALOT of pics before tear down.

Looks like someone needs to build a quality product or just keep screwing the consumer

Please move the mic further away from your mouth, I can’t watch videos where I can hear the breathing and such. Thank you

I don't know the first thing about transmissions but this video absolutely mesmerized me. I could not stop watching. Unbelievable stuff.

Can you show a build video!! Put it all back together from the bottom up

As a big fan of gm, these transmissions disappoint me. 🤔 makes me think that the Ford people fired someone that gm hired.

I have a 2015 Silverado with 148,000 miles. I would like to have it rebuild. Sometimes has rough downshifts.

Wow!! Super helpful video. Thanks for sharing. This is golden.

Brett is correct. That check ball is supposed to be there. That was an update I forget what year that changed. I want to say right around 2014 and forget why they added it.

Oh I wish you were closer to where I'm at. I have a freshly failed 6L80E that's needs a rebuild

From Leo: I am glad to be retired. I have not rebuilt an automatic since the Turbo 350 was replaced by the 700R4. I could do powerglides in my sleep. Torqueflights were straight forward. Today's transmissions look to be 3 times the parts and far more complicated details. The details make or break the job. Thanks for your work on these videos.

I had 15 of those pump stator I' have 2 left

If you think it's expensive to hire a professional just wait till you hire an amateur.

What causes the boost value to wear out so quickly?

5.3 awesome engine . had a 2003 1500 4 x 4 ls. have owned about 8 pickups. Best truck reliability wise that I ever owned after I got rid of it still running It had 397 k on it only thing I ever had to replace that you could consider major was a fuel pump other than that just brakes and rotors did the plug 3 times ran on regular unleaded. What a truck

My 6L80E had all neutrals at 106k miles. I was told the torque converter failed.

I agree most seasoned mechanics could change out the parts but the real trick is knowing how to set it up right the first time. The tricks of the trade are locked up in Richards head for good reason. That’s why I’m going to let him to it all on my 48RE to save me the learning curve and frustration. Worth the money and piece of mind to know it’s done right.

It takes a skill & a ton of knowledge to bulid them right, 💰 🤑 💸 as well.

Wondering what was actually causing the issue on this one.

I just took mine into the shop yesterday. 2015 Silverado 2500HD 4x4 6L90 with 74k miles. Trans started eating itself, 1-2 and 2-3 shifting real hard. Shop had to order a remanufactured trans as new ones are nowhere to be found. Wish I had a way to get into your shop.

When u do transmissions allday everyday, all week all year, it becomes second nature. The thing that impresses me is no matter how big or small a problem a transmission is having, itll get totally rebuilt and charged for it. Customer: My trans is doing this..... Shop: Rebuild. Customer: But its only doing.... Shop: Rebuild. Customer: So if anything is wrong.... Shop: Rebuild. $1,000+

You just showed up on my RU-vid recommended shows.. I've yet to see a show on transmissions.. I find it very fascinating and interesting.. so much engineering going on in these transmissions.. watching you take it apart like a pro shows me your confidence and your years of experience. I am watching and learning somewhat LOL..

I would imagine if grandma has a lead foot , that could be the problem.

Glad to see you have gloves on 😀

The newer GM engines are blowing up prematurely as well, many videos on that !

Here is my question for your 2 year old video I just started. Can I get a re-manufactured unit from GM that has all the improvements many builders including you say? Have you taken a newer GM apart yet?

I just got a 2018 Silverado with the 6L80E 6 speed 4X4 im doing a sure cool STL010 to get the temps down from 190F to 154F the truck has 36,000 miles is there anything i can do to prevent premature failure? Sucks i love the truck but from ive read this Transmission scares the S*** outta me!

I'm an ASE tech and my daughter has an 08 Denali 6L80 6 speed and 130,000 starting to slip 2 to 3, flares sometimes. I put lucus in it for now it helped a lot. I want to buy another used but if I do I will go through hers and rebuild it. Do you sell rebuilt 6L80's? I'm a 25 year ASE mechanic I know the right way to install them

I'm a bit concerned about this transmission only lasting 70k miles, until now I'd heard about the converter failing at about 100-110k. Would it not be a good idea to just replace the converter about 90k, before it gives out and ruins the rest of the transmission? How much would it cost to just replace the converter?

Of course the price on the XP@1 44r55e transmission has went from about $3000 to $2000 now that I don't own the 1996 Ford Explorer Eddie Bauer Edition 4.0 V6 4 speed automatic 2wd I used to and gifted to tow yard owner near Navajo Arizona off of the I 40.

Everyone and I mean Everyone of our fleet GMC trucks fail between 80-100k miles because of the torque converter.We are talking 30+trucks. Gm told us it was a fluid issue and it has been corrected for the newer vehicles. Only time will tell but I know our 14-18 2500 and 3500 are on their 2nd or 3rd transmission

I used to own a 1996 Ford Explorer Eddie Bauer Edition 4.0 V6 with a 44r55e 4 speed automatic transmission and it kept breaking flexplates. I think was the converter lock up clutches in the front but I'm not sure. I should put one of those XP1 44r55e transmission in. I spent thousands with just replacing the flexplate 5 times and the torque converter twice. The girl that sold me the truck warned that the flexplates kept breaking any guess on what was causing it. I had no problems with it shifting ever.

If I had a lift to make pulling the trans out of my truck easier (I'm not doing it on the ground) I'd rebuild it myself. Pretty sure I could figure it out between youtube videos and instructions.

How are you doing? I have a 2018 2WD 122K Silverado When it shifts it is into 5th or 6th at low speed it chatters. then it goes away. If I manually shit and keep up the revs do not do it. Any suggestions?

Well we do live in a disposable world! if everything stayed working then you would not have much work to do. Just wait until another 10-15 years Then your have to be a qualified Electrician, So all that you know about Engines and Gearboxes extra will be no good :) Your just at the right age for retirement by then. Keep up the vids until then.

I usually do all my own vehicle work .. a transmission is the only section I have zero knowledge of but it looks pretty fun ! If I cant get it then yall right around the corner! So I was right along with you till video ended and we didn’t go through putting it back too. Yes I know it probably seems pretty clear to just do it all in reverse . maybe I’m the only one but a reassembly video would be greatly appreciated! There’s gotta be at least one part of the install that’s not cut n dry ?!

My 2011 buick regal transmission went out at 80k, luckily I was dumb enough to buy an extended warranty. My Wife's 2007 accord no major repairs as of date.