It's True! The GM 10L1000 Allison Transmissions Are Having Major Issues!

[@roadsplorer]

I work at multiple brand dealer, GM and Ram are pretty equal on trans issues. Ford seems to have the least amount of trans issues but cab off repairs are common. The trucks are so complicated, just pick the truck you like and make sure a dealer is close to you. They all will have issues before the warranty expires.

[@polarbear5740]

@roadsplorer Unfortunately you are correct.

[@Whiskeybende]

Very well said and very sad. These trucks are outrageously expensive to have these issues.

[@marshallforeman2051]

When does GM not ever have problems, this is when I will not own any more GM Products

[@bulletsandbacon4440]

How has the 8 speed behind the 6.4 2500 been in you experience

[@markstephens5120]

I'll keep my 2016 F150. Never had an issue with it. 6spd.

[@YetiYonder]

Glad I saw this video. Gonna revisit mine. I've got a 2024 GMC Sierra 3500 DRW and noticed fluid on the bottom of mine immediately after getting it home from a dealer I bought it from a couple hundred miles away. Took it to my local dealer who I've known and dealt with for nearly 30 years and the Service Manager had me get under the truck while it was on the lift and he told me they had seen this and GM was telling them it would stop after so many heat cycles and it was a seal that expands after doing so. I took it to be true but I'm near my first oil change now and will investigate when lifted shortly. Thank you!

[@maintenancethrottle]

I believe there is some truth to this. I bought a 2024 gasser a year ago and I quickly noticed a leak/drop at the inspection hole cover. I cleaned it up, drove it a week, checked again, looked like residual film, cleaned and have been good since. Now have 13k miles on truck.

[@kevinmeyers3337]

Had single wheel gas exactly same issue had drop same spot at first oil change took back for free insp at 11 k no more drip they said no signs leak said u want see the pic in my phone

[@davecamilleri9411]

I talked to a local service manager who is a gear head like me when they were replacing the EGR valve on my 2023 with 20k. I asked about the transmission issues and he told me lots of valve body issues. He also said that once the valve body is replaced, they haven't seen any comebacks. The shift solenoids in the valve bodies are not serviceable as a separate item, this could be part of the problem, but he also told me that he thinks there was a run of valve bodies with out of tolerance machining causing the issues. I have a buddy who custom builds Allision 1000 transmissions and he told me to check out Randy's Transmission in Salt Lake City, near you! He told me the GM version of the 10 spd has issues with on of the planetary units and that the GM version is bare aluminum where the Ford version is anodized aluminum, there is also mention of some gears in the gm version that are aluminum while the Ford version are steel. Since owning my 23 dually, only one time did I have an issue with the transmission and it was a WOT run on the interstate and it felt like the transmission got gear bound, it hasn't ever happened again though.

[@davidhurley5389]

Thank you for the quality video's JB! Been watching yours for quite a long time. I have a 2024 2500 HD High Country diesel with 47K miles sitting (had to be towed in) at the dealer waiting for a valve body. Water pump had to be replaced at 17k miles. Truck has never been pushed hard. I Cant imagine owning this one beyond the warranty period. I wish GM would get their act together!

[@ronbrosseau9790]

JB Love your honesty. All brands have issues and all brands have good trucks. I love the look of your truck and I’m not even a GM guy😆

[@blackcoffee730]

Loved the RAM dealership joke haha

[@LeslinAdventures]

Had no issues with mine Thanks for sharing brother Love the truck by the way

[@JKJUSMQTR]

Because it isn't an Allison just Allison branded

[@Whiskeybende]

I bet Allison wants to take their name off of those trucks now!

[@Reshard834]

He'll have problems with his transmission. They all have issues as miles rack up

[@edt689]

I do hot shotting for a living, always pulling close to max tow rating on my 2019 ram 3500 HO aisin 6 speed and have 430k miles now ,have no issues so far. I almost switched to gmc new body style with 10 speed, and now I'm glad I didn't because I've heard several people having issues with transmission

[@handleymacdonald5760]

I don’t tow hotshot but everytime my truck tows its over weight rating for 5hrs + no issues in 90k kms

[@hellkitty1014]

I've got a 21 3500 SRW H.O. and a 24 4500 H.O. The 3500 tows 12-15K pounds, 4500 typically 20K. Never any issues with my Aisins. The key to Aisin is trans fluid changes. But yes, my Aisins are always cool and calm, even going up 7% passes in the Summer when loaded.

[@wj2791]

Coming from Ford F350 6.7 DRW, I jumped the ship to Ram 3500 Limited DRW LWB in 2023.. I have zero issues and all is working perfect. Engine brake is much better with Ram....

[@danielmorris-ruckett913]

Hot shotter here as well. And yeah. No issues with my ram fleet. Even my 2017 before swapping for a 6 speed Allison saw it 68rfe doing just fine. Tranny cooling on rams is just top tier. Can't complain

[@PopCorn-ei5bj]

⁠@@danielmorris-ruckett913heavy towing the 68rfe is about 100,000 mile transmission if you are lucky

[@glennhickman5867]

i have a 2024 Chevy 2500HD Duramax with the Allison with 29000 miles. I baby this truck. I haven't towed anything with weight and my truck is at the dealer waiting for a new transmission because the valve body went bad and didnt send oil where it should have,

[@MarkD-wv6ii]

My 2024 2500 HD LT, 19,000 miles, went into limp mode pulling a 7000 lbs. travel trailer. I was 1600 miles from home and the dealership told me it was the valve body and that it was on a national back order. They had a truck, in one of their dealerships, that had been waiting on a valve body for 3 months. I was stranded and ended up buying a new 2500 High Country. I will be traded it before the warranty runs out.

[@NextGenDrivetrainInc]

We designed our own valve body for the 10 Speed Allison that doesn’t have these problems. Also, GM is allowed to replace them under warranty using us as an alternative during backorders. Don’t let them kick you to the curb!

[@MarkD-wv6ii]

@@NextGenDrivetrainInc Thank you, this is great to know!!! Hopefully it does not happen again on my new truck.

[@100pyatt]

DUMP the Dex ATF immediately and install transynd synthetic

[@MarkD-wv6ii]

@@100pyatt Thanks for the tip, I will look into it!!

[@joecarter809]

Is that a gas or diesel

[@patrickhamburg8113]

Had all of those problems with my 23 2500. They replaced my valve body one when it went into limp mode. I took the truck in 4 times for the shuttering they told me nothing wrong with it. The oil leak i was told it was normal seepage. The last time I took it in for the shuttering they said they are going to void my warranty because I had the banks cold air intake on it. Aftermarket part so warranty would be void and they refused to look at truck. So I told them never mind not going to have them look at truck. These problems started the first month I had the truck.

[@LamelKendrick]

join our massive club of people who won't buy newer vehicles

[@ramrider1453]

Lmao!!! Oil leak is normal. How can they even think and say that with a straight face? My lord or am I reading this wrong? Just when a guy thinks stupid can’t get any worse. Yet stupid does get worse

[@spedinturtle]

My 2023 10L1000 needed a valve body at 25K miles, dealer said first time they have ever seen that failure in one of those. Only mod is BANKS cold air for now. They way things are built now its all a crapshoot really, pick your poison with the brand. I still love my truck. Love the videos!

[@FPVenius]

When did this happen, and how long did it take to get fixed? Mine went out 45 minutes into what was supposed to be a 1200-mile drive from Cottonwood, AZ to Houston. We thankfully had friends nearby who were able to tow our 20k rig back to the campground we had left, but now we're at the mercy of waiting on a new valve body becoming available. We need to be in Galveston on the 16th to get on a cruise...

[@spedinturtle]

@@FPVenius was earlier this year, i want to say February or so, there was one in the entire US they had to overnight to the dealer. Hopefully they get you back up and running soon so you can make your cruise, i just got back from mine (Galveston). Safe travels and fair seas.

[@muchogracious1557]

Maybe they ought to start offering an Eaton 10 speed in these trucks since they all want to push these big horsepower and torque numbers. 🤔

[@supporterofsanity]

According to the comment section experts my truck should have died about 6 years ago😂. Thanks for the laugh on a rainy Sunday morning🇺🇸💪

[@Bigtuna-jh9uq]

don't take JB reviews serious. Guy is clueless

[@MMikeHD3904]

Ah shit you got 1 of them too,hahahah, I got 3 GMC 98,15,21 , all run perfect

[@middleclassretiree]

@@Bigtuna-jh9uq - he’s not a expert and he’s the first to admit that but he’s smart enough to seek the knowledge and advice of experts, furthermore anyone that bases their purchases or maintenance etc solely on a KZbinrs opinion is a fool

[@Bigtuna-jh9uq]

@@middleclassretiree dude is clueless. all he does is drive around and walk around car lots

[@middleclassretiree]

@ - sounds like a nice gig, don’t forget he’s making pretty good money at it also

[@lucasmancini7415]

I had a 23 l5p and I had a lot of shuttering in that transmission and it seemed to jump all over the place. I was once in tow haul mode coming down a mountain in 6th gear. I tapped the brakes it jumped all the way to 3rd and blew one of my coolant hoses off the heater core. I’ve drove in some that the transmission is great but the one I had was not as good and it was leaking when I got rid of it.

[@454budman]

You can tell they were designed together but both manufacturers kinda took it their own way. Randys transmissions made a video on it and the 10l1000 was made lighter duty than the 10r140 by his opinion

[@rsbreeze]

I've got a 22 1500 ZR2 and 2500HD ZR2 Bison, and the transmissions on both seem to be spot on. I think they are solid when towing and always seem to be in the right gear. Never seems to get higher temps either and i pull where it's 110°F in the summer. Neither are high mileage, but if they run 100-150k like my previous rigs, I'll be happy.

[@mattsmith2992]

Just love your content. Even if it makes me nervous about my truck 😂

[@DavidBrown-jt7yi]

There is a very well-known issue with GM transmissions. The value body issue that is causing the transmission to go from 8th to 4th while you are going down the highway. The transmission will skip gears and could cause a complete failure. GM isn't even replacing this $1200 part. They are replacing the entire transmission because they can't make that part fast enough (I'm sure they make that overseas). I've talked with multiple GM service writers about it. I haven't heard of this leak issue yet.

[@cham5275]

Are you saying that gm is replacing the transmission under the recall? Mine just went, and gm is trying to say this has nothing to do with the valve body recall but they put valve body as one of the parts to replace in it if they were to rebuild it, but they didnt recommend a rebuild, they said to put a whole new remanned one in.

[@DavidBrown-jt7yi]

@cham5275 Look online, and there are huge numbers of 10 speed transmissions failing, and GM even has a software upgrade/recall for the tranny issues. They are putting software in your vehicle where the transmission will limit your gear if the transmission is having issues and getting ready to fail. Go to a channel called The Riverstone Life. Go look at his big videos on his GM transmission issues. These are well known.

[@Mattss90]

Love my 24. Pulls amazing, but kind of wish I still had my 16 LML. All I ever did was have to replace a glow plug on that truck in the 7 years I had it. My 24 has been at the dealer more than 10 times. 3 different software updates, while now there’s another one that’s due, been limp mode twice for emissions, and there for the tsb for poor fuel mileage (which fixed nothing). Dealt with dead battery 3 times now and had to have it towed while I keep being told everything is fine. Then my mirrors rattle and shake like they are loose, while the passenger mirror glass falls out everytime the door is closed, even when I hit a bump on the highway. Matter of fact, I’m leaving my house in 20 minutes to take it back in for another check engine light for emissions.

[@snapperb8293]

Damn

[@rsbreeze]

What is the TSB # for the fuel mileage? Mine seems normal not towing, but really low towing when compared to my previous Duramax.

[@Mattss90]

@ I saw it on a forum and the next time I had it at the dealer I told them about it. It might have been an ecm reflash. Can’t remember for sure and can’t seem to find the paperwork for it. It was about a year ago. I’ll keep looking. If I find a bulletin number I’ll try and come back here.

[@giligan6534]

and you still LOV3 it ? man that’s what you call true love, through thick and thin lol

[@Mattss90]

@@giligan6534 I still do. Haha. After all that, come to find out, the dealer didn’t replace my batteries with the correct batteries (won’t be going there again, it took a different dealer to actually fix it) and so the truck computers etc. weren’t operating properly causing all these issues. Still doesn’t explain the mirror quality, but after they replaced both batteries with the proper ones it’s been great. All my emissions codes were coming from the battery issue. Healthy batteries are very important these days haha.

[@recyclespinning9839]

The problem is that the grill needs to be higher, so you need an extension ladder to clean the we windshield. I need MORE GRILL, I SAID ,, MORE GRILL.....

[@todddoster6487]

Went from 2021 RAM Limited to 2025 GMC Ultimate recently. It may be what I was used to driving, since this is the first GM product I have owned since 1995, and have had both Ford and Dodge/Ram trucks since, and I am holding out on opinions until I have owned it for 6 months, but I miss my Ram.

[@rsbreeze]

Trade it!

[@patricklayton9748]

These comments make me feel some what better. I was at 99980 miles on my 2020 Silverado 2500 and I felt the transmission was going into some gears a little rough. I had a sticky solenoid. They are replacing the entire valve body. Like others have mentioned in the comments.

[@JustAverageJeff]

I have a 10R80 10 speed in my 19 Ranger and it's always had a little bit of lag and shuddering when shifting into certain gears it does that because its trying to find the best gear for the best MPG so you get a little bit of shudder. Switch into sport mode and those shudders and delays go away completely.

[@armedprophet3321]

You obviously don’t know that the 10L1000 is NOT an Allison transmission, it is just endorsed by Allison and has their name on the truck. It’s the same transmission developed by the Ford / GM temporarily collaboration. The difference is the shifting strategy and ECU, many of the parts are parts are interchangeable.

[@frankosauto]

I had this issue on a 2024 2500 Duramax. (I bought it May 1st 2024) It had Zero mods and truck had 300 miles on it! I took it in to dealer multiple times and they claimed no codes and couldn't get it to do it. I left it for a week and their tech drove it daily but couldn't get it to happen. The truck hesitated hard like missed a shift at around 45-49 mph so 6-7th or 7th-8th gear. The dealer did a software update and re-flash. I took it home and happened again. Called dealer and reported my issue. I was told to keep an eye on it and if you get a light or can make it do it bring it in! Still does it seems to be getting less but definitely causing concern. Still zero mods 3380 miles and I traded it in as I had zero faith in it!

[@nahbro3240]

Bro is been 2 years here and im still waiting for that check engine light to come on.

[@333jfish]

I have a really good friend who's 2024 3/4 GMC Denali in the shop for the valve body issue, I believe he's right around 25,000 miles. He is was told 3-4 months. Another friend of friend had the same issue. He went a different route with the dealer. I don't know those details, but he ended up getting a Trail Boss.

[@Thundarr995]

It's probably fine as long as you're not driving it. 😂

[@davidwest5406]

Just bought a 2525 Chevrolet 2500 Z71 Trail Boss Duramax really like this truck very smooth and powerful traded a 2019 GMC Denali HD Duramax had regen issues that never could be fixed at the dealer mileage was just shy of 70,000 my new truck is so much better

[@bigmurph1447]

You must be a time traveler. Does the 2525 model float

[@SarahSmith-hd8kd]

As I understand it everyone is calling it an Allison but they are only that by sticker! The 4500 and up are the one's with a real Allison in them. The 4500 and up are having no issues because they are actually an Allison.😉

[@matthewanderson9912]

Nice video. Looking forward to a more in depth video on the idash. The tech is probably talking about a shift solenoid and if he is, and if they haven’t changed it, the only way to replace those is to change the valvebody. The 2020 Duramax I use to have had the valvebody replaced and they said it was because one of the shift solenoids were on the “low side” of normal. I assume they are talking about the output voltage. Anyways, my problem was check engine lights that always had the code “lost communication with the TCM”. I had no drivability problems. But I would get a check engine light 2 or 3 times a week. So they said a shift solenoid was on the low side of normal and figured that was my problem. It was not. They also changed the TCM. That wasn’t it. They finally changed the ECM and I think that solved the problem (it went 2 weeks and 4 days without a check engine light which was a record) but I traded the truck. So while I’d say people are having trouble my personal opinion is some of these techs are just throwing parts at it. And so unless I had an actual issue (consistent hard shift or consistent slipping), I would not take my truck back in because again, unless they have changed the design from 2020 if they say it’s a shift solenoid then they have to replace the valvebody to change that.

[@craigcontofalsky4387]

10 speeds vs 6 speeds means 4 extra gears that can cause more problems down the line. I'll stick with my 6 speeds. The ZF 8 speed his probably the best transmission out there overall.

[@firstlast---]

8 speeds vs 6 speeds means 2 extra gears that can cause more problems down the line

[@recoveryrider6183]

I agree, even 8 speeds is a lot. A few years ago you were lucky to get a 4 speed with an overdrive that would hold up.🙃

[@johnbusby9281]

Time and pulling heavy trailers will tell!

[@adrianbrakel333]

Mine shutters and does a big clunk from first gear into second when I first pull out of the driveway. Only happens once a week but it’s getting more frequent.

[@brad5750]

In 2015 I bought a new K3500 with the duramax and allison. I have never liked how the transmission shifts. It constantly shifts up and down between 4th and 5th gears.

[@crspcritter]

Yes ; my son& law got his fixed on his 2024 2500 diesel. They replaced the computer and valve body in trans. He says it’s good now .🤞 Brand new truck and no tune.

[@entca]

There is also recent recall TSB N242454440 impacting 2020-2022 with momentary rear wheel lockup. I have a 2021 2500, and unfortunately did receive this recall.

[@bigmurph1447]

Theres a good tear down video between the chevy and ford transmission on randy transmission. The ford 10speed has heavier parts in them

[@minnesotagamblers5862]

I traded in my 2017 GMC Duramax because it was a emission train wreck. I bought my first brand new truck June 2023 and choose the GMC AT4 Duramax. Had one of the first ones rolling in MN. Couple of recalls so far, tailgate switch, software update. Mine has been good so far at 28,000 miles. 6,000 of those are towing heavy stuff. Am I nervous reading all these comments, ah yes!

[@andrewski6563]

I have a 2021 Ram 2500 with a Cummins, and my 68RFE transmission just failed at 68k miles. Just had it replaced. I had to rent a truck for a 2500 mile camping trip while it was in the shop. The rental was a 2024 Chevy 2500 with the Duramax. It drove extremely well, but I won't get another truck with a weak transmission. Lesson learned with the 68RFE.

[@danielmorris-ruckett913]

Interesting my 2017 rams original 3500 68rfe had zero issues for two years after hauling 2 decommissioned military humvees for one of my customers up a at least six percent grade from a dead stop into a right turn and immediate high grade. Overheated at the top. Took two years until I had issues. Eventually wouldn't shift beyond 4th without immediately dropping down back to fourth. But still was drivable up to 75 miles per hour without issue. Until I replaced it with a 6 Allison. So I wouldn't say it's weak. But definitely not mean for heavy heavy towing.

[@79yostie]

I just paid off my 2022 LT 2500HD Duramax. I put all 75k miles on it. No issues yet.. I love 10speed towing and shifting speeds way way more. I'm willing to fix this. I love truck. I was worried about emissions stuff.

[@kyleerickson3382]

i have a 22 2500 HC diesel bought it brand new it now has 22k miles on it not one issue been a great pickup so far

[@MRLUGNUTS]

Wow! this is kinda sad to here. I was seriously just thinking today about trading up from a 20 1500 Trailboss , to a 2025 2500 Trailboss. No issues with 20 , I pull a 24 ft enclosed and just figured to upgrade. But this news made my wallet happy.

[@msteenwyk]

My 2024 GMC Sierra Denali 3500HD is all factory stock and the valve body failed at 26,000 miles. 12 weeks at the dealer waiting on parts and I’m back in action again.

[@jakewilson24]

It would be pretty wild for Ram to turn the tables with a ZF 8 speed/Cummins Combo and ended up having more reliable transmissions than GM and Ford. That being said, I know the transmissions are the same, but all our 10R140s at work have had no issues so far, yet we’ve had 2 10L1000s have issues (we also have a lot more fords than Chevys)

[@johnbusby9281]

I had to get the transmission replaced in my 2021 3500 at 171000 miles. I do pull a 25 ft gooseneck trailer with heavy loads. But I kept the fliud changed and put a deep pan on it from PPE. It still didn't last. Maybe Allison should have built it instead of GM!

[@joecarter809]

Hey jb is this for 2500 gas and is your truck leveled?.. looks great

[@Ned-p1y]

My co worker 2024 z71 gas transmission went bad at 5,000 miles sat on the lift at the dealer 90 days . Got a new transmission finally. Never had a trailer hooked to it

[@pedrolabrada5591]

Hey! You have to call it for what it is! That’s the only way GM will listen!

[@moparmission7093]

That was funny start lol

[@NickHutson-t4i]

What size tire and brand on your truck JB ??

[@shanenelms9740]

If u remember back couple months ago I told u about the valve body on these transmissions on these trucks but I don’t think it has anything to do with tuning I believe people don’t know how to properly run these trucks. I believe the ones having problems are the guys that stick it in drive with 12,000 lbs or more on the back and letting the transmission run in 8-10 gear putting a strain on the transmission instead of just locking 8-10 out with a load on it but hey I’m not a mechanic I’m just a arm chair QB but that’s what makes sense to me on what’s going on plus I’m in the RV transport industry so I see a lot of haulers that have these transmission siting in the shop waiting on a new transmission or valve body for a month and the guy sitting in a motel about to starve to death waiting on GM to make a decision on there truck

[@gwendolynbrown9386]

Great Information !

[@shanelilman3780]

Lol 😂 you "Shudder if you had too buy it again" can't wait for Ram 25/3500 ZF 8spd tho...

[@Intwodeep902]

My 2024 2500hd gas LT midnight edition so far so good I love it tows my camper with ease

[@Intwodeep902]

I spoke to Soon mine is leaking now!!!!!

[@3500Turbo-D]

Excuse me sir! Only Ram trucks have problems! I demand you to redact this video and make a new one telling us how amazing Ford and GM trucks are.😂

[@settledontheprairie5524]

I know what you mean. Ford and especially GM guys all act like those dealers don’t have service departments.

[@JohnDiMartino]

Most problems are not from being tuned,only a small percentage of ppl are tuning these trucks especially when they are under warranty. Rams are rust buckets , rust bubbles on the rear wheel well within 5 -6 years here in the northeast. I’d rather replace a transmission than have to get a new bed ,rocker panels and paint a rust cancer truck in 8-10 years

[@briancavanaugh7604]

That is very different than what I am finding here in WI. I have been used truck shopping for about 8 months now, I have looked at 1000+ trucks online and over one hundred in person(yes I have spent a SHOCKING amount of free time doing this lol) and I have all but given up on anything GM. I am only looking at 3/4 and 1 tons. I find 2022's from Chevy with FRAME rust that I need to look at 8+ year old Fords and Rams to match. GM's bodies look great but the outdated frame coating they use is borderline worthless compared to Fords and Rams. I find all three are about the same when it comes to body rust with the 2017 and up Fords being the exception with their aluminum bodies. At least here in WI GM's are the rust buckets, and it's rust on the frame where it REALLY matters.

[@BrianPortnoy-p3i]

2016 Chevy 1500 rusty wheel wells and no rockers left 2 yrs already junk

[@jellyfrosh9102]

You can't even tune the 24s either so idk where he's getting that idea from.

[@oks3ranch]

I'll take that bet, 2023 GMC 2500 AT4 BONE STOCK with 23,000 miles. Towing 12k lb RV trailer, had the transmission fail on flat ground leaving a stop light at about 45mph. Left me stranded, 300 miles from home. Set P0747 code, Onstar sent a tow truck to take to closet dealer. Dealer said they are swamped with transmission failures in these truck, same issue as mine, with 3 in front of me at that time.. It's a valve body issue and GMC is aware of it. It causes a mis-shift between I think 5th and 6th gear. It then de-fuels to limp mode. Sometimes the transmission is damaged when this happens, especially if you keep trying to drive it. The dealership finally was able to tear into mine and the fluids was clean, no apparent damage. GMC said to order a complete transmission and valve body. Said to install whichever one comes in first. There was 3 trucks with exact same problem that had been waiting on parts for over a month in front of me. Long story short I went and bought a Ford.... But not a replace for this truck, just a F150 to drive and handle my lighter duty work... A week later I got a surprise phone call, that a new "fixed version" valve body came in for my truck and they would have it installed and ready in a couple days. My truck is back on the road and hopefully doesn't ever have this issue again. I got lucky the other 3 trucks are still waiting on their parts, not sure why I was blessed by the GMC gods to get my replacement valve body so fast, my best guess was timing and how new my truck was?? No idea, but I'm thankful to get it back. They warned me it could be next year (3 months). I realize ALL trucks have issue and no matter which brand you go with, there's something. It's just disappointing for the amount we pay for these trucks, to be told you won't have your truck for months and no loaner or way to get my trailer home.... I was traveling, wasn't the dealer I bought from, so I'm sure that was a factor and it happened on a Sunday which complicated things even more. The worst feeling is making payments on your $90k truck that is broke down and no way to tow a trailer or haul anything. So much of a problem I bought the Ford.

[@mikechevelle3418]

They charge excessive MSRP's and yet all of these seem to have their problems........

[@dhjengr8756]

Im getting 144 trans temps, should it be higher?

[@Intwodeep902]

Is it mostly diesels?

[@devineunlimited6800]

I have a 21, has been a solid truck..

[@gustavecarlson2916]

Have experienced solenoid failure on 2023 Denali dually with Duramax. It failed when traveling downhill on the exhaust brake on the interstate while towing 18,000 lb fifth wheel through Utah. Truck is stock. Transmission was replaced under warranty since solenoid was not available.

[@stanjacklin5968]

05 Dodge 15 to 17 Mi per gallon Factory transmission lasted 325,000 MI

[@jnich17]

Thanks for the heads up. My 2024 duramax 3500 HD srw hasn't had any problems yet. Can you check with your resources and see if the 2025 duramax has corrected this problem?

[@davidsullenberger6767]

I've been saving for years to get a new GMC 2500. Now really nervous with the recall for valve body issues and GMC's "fix" of a software upgrade to detect the problem before a failure. That's not a fix, that's a band-aid until it breaks again. Having serious doubts about buying now.

[@johnwest2396]

I have spoken with a couple GM engine techs they told me to try to stick with something 2016 or older

[@jeffjedlick6655]

Stay away from 11 - 16 duramax , they have the cp4 fuel pumps , I'm speaking from experience , had two go out on a 16 , 9k repair 😭

[@marcelo403polo2]

@@jeffjedlick6655 had my '11 Denali Hd until now. Best truck I ever had.Always used fuel additive for extra lube in pump etc.This new AT4X HD got 4 months ago definitely is a downgrade comparing to my old one.

[@carlpreston1680]

17 to 19 would be the better way to go

[@richardoliver1621]

Dec 9th bulletin coming out for 2024 Allison. Full replacement due to bearings. Diesel and gas 2500

[@thatsright9999]

I had this problem on my 2024 3500 AT4. Bad solenoid, GM replaced the valve body. I still have issues with rough shifting and hesitation when downshifting and up shifting.

[@CZ-kz7ug]

I just looked at the filter opening for a 10L1000, its a super small opening. I cant see that being good for flow. New gauges look great!

[@deniseb8697]

I traded in a 2014 Ram 1500 for a Chevy 2500. I had to pay $6000 bucks for a Jasper replacement tranny for the Ram. Before I bought i was asking every guy about their truck and issues they might have with them and at least one guy with a Ram 2500 also replaced a transmission. I was trying to wait on updated Ram 2500, but from what I was able to gather, not very many changes and keeping the old cab was a huge mistake. Looks like all companies have issues. I'll be keeping an eye on this issue and making a decision shortly about an extended powertrain warranty...

[@brianstotts4552]

I’m not saying you’re wrong about Ford and GM collaborating on these transmissions but I’ve watched multiple KZbin videos of a teardown of each transmission side-by-side and the Ford was substantially stronger internally. The videos I’ve watched they compare each individual part inside the transmission as they pull them apart. Again this isn’t to say you’re wrong but wondering if these other videos I’ve been watching are total BS or not. I can tell you firsthand that my 2024 F450 shifts weigh smoother than my 2024 GMC.

[@WaceyBegaye]

only issue ive had with my allison transmission in my 2019 Duramax is the clunk, when youre coming to a stop. mainly happens when im empty, and have the A/C on.

[@ontherocksrc]

Stock 2023 2500 dmax 35000 no major towing already had the valve body replaced and has the shudder when coasting then get on the throttle

[@riotis54]

Exactly why I bought a 19

[@mattarzadon820]

My 2020 leaked, and I didn't have a tune. I am looking at the 2025 LTZ 2500 again. I figured they would have fixed the leak by now. They make an aftermarket kit to fix the shutter.

[@montysandhu7789]

If ram goes back to flat tappets in the new 7.2 I hope they do a recall for the 5th gen’s

[@karlwahlfield6462]

no pto option????????

[@Officer_Gap]

I have a 24 3500 i never even towed with it yet and had the duals lock up on me then was stuck in one if the gears and wouldnt shift anymore. Im taking it to the dealer this week. Im going to demand a trans replacement. The metallic sounds I was hearing i wouldn't just want a valve body replacement.

[@soggybottom23]

I had the shudder today about 3-4 times on a 25 mile trip towing my 7x14 cargo trailer. 2024 3500 dually with no upgrades or tunes.

[@ronaldspins]

Next Gen Drivetrain may have a kit

[@user-MBossman1]

They do have a kit.. I just ordered it last week..

[@nickkercheval2704]

@@user-MBossman1yup. Got one last week. Tired of waiting for GM. Needed the truck

[@alexanderwaddell21]

I have a 2024 1500 with the 10L80 giving me problems

[@Alloutdrs1]

I had this leak on mine, trans removed around 10k for the fix, the tsb you are reading in your video isn't for the leak you are saying that one has. The one you are reading is for a separate leak that occurs back near where the tcase mates to the trans. I have a buddy who is a tech and says lots of valve body issues as well, I don't think there is anything we can do to prevent the issue unfortunately, just gotta hope it doesn't leave you stranded.

[@nickeckemoff7631]

2024 and leaks. Similar thing you mentioned about TSB. Really bummed out. Noticed at 15k miles, but think it been there’ since new. At 20k miles oil change took it dealer who says from bell housing seal and must remove transmission to fix (3+ day job). Really disappointed. I don’t think it has anything to do with towing…Ive been really gentle on the truck and it’s 100% stock. I did notice some odd rough shifting earlier on that made me wonder wtf was that and I was bad enough for me to wonder if something broke…all times happened accelerating moderately from a stop not towing.

[@johnmacias01]

I wonder if the aftermarket world has a heavy duty valve body for the GMC Duramqx

[@nickkercheval2704]

Yes. Next Gen does

[@johnmacias01]

@@nickkercheval2704 hmm will that correct the gm tranny problem? If it does correct the issue, it'll probably void all warranties! lol

[@notme5909]

So, are the transmissions made by ford and gm? Or are they made by a third party supplier for them?..

[@jayb7675]

The valve body failure is a hot topic on the forums. Apparently there is an aftermarket fix for it. But like you said, factory parts are a three month or more wait.

[@Philipmoore10]

More info on that aftermarket fix?

[@jayb7675]

@@Philipmoore10there is a KZbin video on it. A guy fixed his on his own and it fixed it.

[@michaelhaley6888]

@@Philipmoore10 look up Next Gen Drivetrain, VB kit for 10L1000

[@Philipmoore10]

@michaelhaley6888 Big shout out to you, bro, seriously! 💯 thanks.

[@nickkercheval2704]

Yup. Next Gen. Got a new valve body in one day

[@RichardMiller-of5bn]

I have a 2024 Sierra 1500 diesel that had the valve body replaced at 20k miles. No towing or mods.

[@what3394]

Are the 10 speed transmissions in the gm 1500s bad too?

[@carlpreston1680]

I've known people to have problems with a Ford version

[@michaelcoenen6171]

My 2024 duramax transmission is getting replaced rite now, valve body went out

[@middleclassretiree]

I just received a recall notice from GM on my 2020 3500 for a shift control valve that causes hard shifting and could cause a lock up scenario , I was directed to contact the dealer for covered repairs so o well

[@eric3030]

Gas or diesel?

[@middleclassretiree]

@ - diesel, I’ve experienced absolutely no issues it only has 60k miles on it but it’s spent a lot of those miles pulling various trailers usually pulling 12-14k pounds up here in the mountains of the Pacific Northwest

[@Benders25]

Ford and GM are having the same issues with the same transmission, I follow the tow piglet who has put hundreds and hundreds of thousands of miles between Rams and Fords and he says that the Fords around 30 to 70K that the transmissions start giving him issues

[@ianme84]

Just bought a new 2025 3500 High Country…. does anybody know if the valve body issue has been resolved for the 2025 model year? Comments are causing a bit of concern.

[@limogesman]

Don't know about the ZF but the AISIN and the regular RAM tranny are not too reliable. It may be a good idea to make the switch. In any case I'm very happy with my 10R140.

[@ChadHitson]

Absolutely ram is a good truck so good that the heater grid bolt falls off and wipes out the whole motor !!! Yea not ram is lowest selling truck out of all 3 major brands.

[@jmack7351]

Half tons definitely having issues lots of our work trucks are down right now.

[@fattie2550]

My 2024 GMC Sierra is having transmission issues. Only have 400 miles on it. What a piece of crap truck. Very disappointed

[@marcelo403polo2]

I also regret buying AT4X HD. Miss my Denali HD LML

[@joejomaa4110]

I have a 2023 Sierra 3500 been in the shop for 6 months needs new transmission only 31000kms so sad. No mods at all

[@ImNotHereToArgueFacts]

0:20 How many sips of coffee did you just waste? Can't do that early in the morning!!! 😡😡😡

[@daviddemand6856]

GM has to capitalize on the moment and improve quality to match the price. They need to stop so much focus on EV’s and get back to superior quality on their current lineup.