Making your Subaru AT Transmission NOT SUCK. (All Weak Points & What To Upgrade)
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- Опубликовано: 6 окт 2024
- In this video, I'm going to give you the rundown on the steps needed to make your Automatic Subaru hold various amounts of power, and take it from undesirable to exhilarating to drive.
This applies to both 4eat and 5eat vehicles, due to having similar upgrades available, so you shouldn't feel left out that I'm using a 5eat as an example.
I'll be covering all the known weak points, and what to upgrade to prevent them from holding you back from your power goals, gaining positive, fast shifts at the same time. If you plan to make power on your automatic Subaru, this short video is packed with information I've learned over the years, so you can be confident and make the right choices the first time around.
Hope you all enjoy, and Thanks for watching.
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Subaru AT related links:
5eat Transgo Shift kit
transgo.com/pr...
Hexmods Transgo install thread
www.legacygt.c...
Hexmods 5eat Transmission cooler thread
www.legacygt.c...
Frank_ster detailed information on center diff upgrades
www.legacygt.c...
Jayrex 5eat detailed teardown
www.legacygt.c...
Level10 transmission
www.levelten.com
IPT Performance Transmissions
www.importperf...
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My Merch - matlasdi.com
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Rem ISF, only works on new parts. I contact them a couple of year a go, for a race gearbox. The say if you want beter parts only new. used parts wil not beneifits because its al ready break in.
Oo good to know! Going to pin this info 👌
@@MatlasDIhowdy Sir
I started watching some of your videos...as I currently have a 06 Subi Legacy GTL....
Only to realize you are local!
So local in fact, that we frequent the same coffee stand 😂 they know me well by my Jeep and dogs.
I think the gals there mentioned you having a shop opening soon or already.
I could actually use someone knowledgeable to chat with for a few regarding my Subi...it's in really amazing shape, and currently debating selling it or doing a bit more (paid) work to it...any interest?
Thank you either way.
Scott It never showed me this comment, but it was great meeting you! Let me know if you have any questions or need any help with things 🤙
Thanks for talking about the Subaru automatic transmissions. Nobody else dares to talk about improving them and most say to do a 6MT swap. Keep the awesome content coming! That face though…😂
Thanks man!
Yeah, people always need options, and if theres info out there, it should be talked about, as not everyone has the means financially to perform a full manual swap, which is known to be a lot more involved on most of the chassis' that the 5eat came in, and some just naturally prefer to have an auto in there for one reason or another.
Having had a built one for around 4 years now, they are pretty nice once you get them dialed in. 👌👌
I got a 4EAT :)
Can confirm. ~400/400 going through my 5EAT with a TransGo kit, secondary cooler, and tuning. Great video, man. Cool to see the 5EAT still getting talked about.
Thanks man 🙏 I know you've been making some nice moves with your setup 👌👌 love seeing it.
I use to hate autotragics, but I got a 98 auto forester a couple years ago and its not bad at all. 1st to 2nd is little rough but does pretty well for having 210k miles on it... Good video, thanks for the input.
Yeah they're very hit and miss. My outback original was good up until 190k when it completely let go, then with the upgrade they used the factory 190k valvebody for the upgrade which was a no go, still has issues 3rd to 4th due to sticking solenoids that I'll be swapping out here in one of the next videos.
I got 220k miles on my 09 outback with the 4 speed, sport mode still shifts great, I get 23.1 mixed with majority of the time city
@@dakota5041Dang dude 🔥🔥
At 406whp i have gone through 1 oem. 2 level ten 5eats, and im now rebuilt at a local pro trans shop.
36 miles after getting my last trans replaced, my rear diff exploded and seized, busting both rear axles.
Also my 02 sensor exploded, went into my turbo and came out my exhaust..
YES DO A WHOLE VIDEO LIKE THAT THAT WOULD BE FUNNY.
Awesome video, I just enjoy my nearly stock subaru at grandma speeds, but I still really enjoyed this video and you did an excellent job of conveying a ton of good info while making it entertaining to watch!
Thank you so much for making this video, I had no idea this even existed! Not looking to make crazy power with my 5EAT but it sure is nice knowing there's more out there as far as upgrades besides the TransGo shift kit. I'm saving all the forum posts now cause who knows how much longer the archived thread will be available...Keep the wagon stuff coming!
Yeah definitely a good idea to save stuff. They just had an issue with the forum a couple months back where we thought it was being closed. Thank you 🙏
I've found the gen3 H6 outbacks to be excellent for towing after a bit more suspension. The towing experience is better than any 'comparable' truck, esp WRT handling, esp esp in inclement weather. EXCEPT. The 5EAT's are undercooled to their potential, and those clutch packs are just waiting for a reason. "I'm going to do most of these upgrades when I uncook my tranny" but I probably won't ever... Or maybe I'll just save my engine for a backyard helicopter that won't ever get built.
You two are such great ambassadors for the Subaru community.
Thank you dude 🙏
It's not a bad face to look at, but that dual monotone was something else 😆
Great info!
I think we got it down pretty well there at the end 👌
Great stuff never really looked much into auto trans upgrades, Its interesting to hear all the parts and components needed for upgrading.
To be honest my EcoBoost f150 is fbo, but stock trans😅. Great content Matt👍🏼.
There's quite a bit that goes into it. All in all, even if you fully decked one out, it would be cheaper than a swap. I want to say i had around 5k total into mine, and that was requesting the gucci treatment. Truck transmissions will be quite a bit more beefy stock, so not much needed there for "most" of them wear wise. (There are some that are just known utter failures 😆)
Did the HexMod VB swap... 300hp ATW. 5EAT is fine, but TC busted. Dealer has never seen a cracked TC. Independent shop said same. Good that he's off the platform.
@beck4218 If you haven't seen my video of teardown on my outback, that car had a shattered flexplate. I haven't seen a torque converter itself physically break outside of normal lock up issues, etc. That's crazy.
0:42 5EAT is gonna be 3rd gen and later so 2005 and later. They even had Outback XTs which were Turbos.. i kinda want one tbh. Or ill just Supercharge mine...
Good point, I just was seeing alot more options from the WRX/STI.
I personally have an 05 outback xt, 5eat, but I like auto…. But want indestructible
That last part was kind of creepy.
I just bought my wife a 2006 garage-kept Outback LL Bean with 115 K miles. Carfax shows most service done over time. What would you recommend for her 5EAT besides fluid/filter change.
The Grandpa who owned it clearly drove it with tender-loving care.
After 4 years of driving a base Forester, my wife is in love with Subarus again.
Rewatching it now, I totally agree 🤣 That's an awesome find. Sounds like a nice car with very low miles for the year. The 3.0r pairs nicely with the 5eat, so honestly, I'd do a little as needed for now. Change the filter behind the drivers headlight, flush the transmission and the cooler, and have somewhere do a relearn/ clear memory 2 in the TCM, and you should be good to go👌
I just had a new version 10 ej207 swapped in my jdm spec B legacy with the 5eat valve body kit installed, will see what happens once it's all properly broken in and fully tuned in the spring, if shit happens 6speed swap is an option lol
I think it would be funny if you guys did a monotone vid for April 1st!
Have to keep that in mind 😅
Great video I have a 04 wrx 4eat and really looking to mod it in the near future
Thanks man. Look forward to what you do with it 🤙
I have the transgo shift kit ready to go in my wifes 06 Liberty 3.0R Spec B.
Oo very nice. Should make a nice difference in feel 👌
@MatlasDI yeah honestly it's the only part which let's the car down. Hopefully shift kit brings it in line with the rest of the car.
Definitely here for your face, but also some subawoo stuff😘
That's what I like to hear 🤣🤣
I don't know why I'm watching this - Only automatic I have is a ZF 8HP in the Urus lol
Hey, that's alright. Sometimes, it's fun to just learn pointless bits of knowledge. I do it all the time 👌👌
Fix your headgasket first then Transmission, I felt like 4EAT is well built than 5EAT. super strong.
Whole powertrain is new on the car lol. But agreed. If your engine is messed up take care of that first. I would say 4eats seem to require less work, but I guess that has to do with them being a little more simplistic, and simple is strong. 😆
You are correct Hexmods aka David. Does not offer any services for the 5EAT anymore. He has moved onto a better job fulltime . It's why I decided to do an 08 spec b 6 speed swap into my 05 Legacy GT Limited that was at one point modified with an IPT valvebody mod but ended up having issues with solenoids once I got it back and it went back and forth and never got resolved.
Glad he's doing well with his new job, he put way more time and effort into this platform over the years than anyone could have asked him to.
That's basically the same story with my level 10 full build. Had issues with hang up 3rd to 4th prior to being modified, and nothing was done about the issues during the build, because my high mileage vb and its solenoids were reused, so I actually have a refurbished solenoid kit coming to swap them out with to see if I can get it back to 100% before I swap it into the legacy.
From what I've seen (assuming it had something to do with enough people having similar issues) level 10 no longer offers send in for modification valve bodies for the 5eat, and have switched to only offering new modified units. So this may be a positive change for anyone getting these services done these days.
@@MatlasDI Where are you getting your replacement solenoid kit from? Have an extra 05 valve body with one broken solenoid (forget which one) that I was about to do the Transgo kit on until I discovered the bad one. Appreciate all the forum info condensed into one spot too, good job.
Fwiw: 05 GRP 5EAT LGT Wagon
@gvr41520 thanks man, you can find refurbished sets on eBay, I can't personally speak yet on how well they work, but I'm giving it a shot over buying a full replacement and having it modified again. I'd recommend searching for the ones that say they've actually been cleaned and bench tested, but sets are anywhere from 90.00 to 120.00
@@MatlasDIGotcha- I was going to go the eBay route too unless anything else popped up.
@gvr41520 Only spots I've seen them offered in my search. I have them coming, so we'll see how they work out.
More videos like this please and thank you
Thank you sir 👌
Hey Matt, I got a question in reference to 4EAT...I know this is 5eat but I'm trying to help someone.
There ABS light is on and AT temp light blinks on as soon as car starts, dead cold. So obviously temp can't be hot...I thought it meant AWD is disabled in there 2005 Impreza/,wrx. None of my scanners can access there ABS, SRS, TCM stuff and I'm not sure why. No CEL. trans shifts perfectly, atf doesn't overheat(checked manually). What do think?
Flashing AT temp will be a tcm mil code. You'd need something that reads tcm codes like an ssm3 to be able to check it, but it is likely a valve body code of some kind. It could be something that doesn't necessarily affect shifting, like torque converter lock up. You'd likely have to bring it to a dealer to have it read. the tough part is getting them not to charge you for a full diagnostic.
@@MatlasDI thank you for your response...I definitely have verified that his rear wheels aren't applying any torque at all. It sucks because my good scanner is capable of reading all the ABS, TCM, SRS, ect. and my scanner has an OEM function. I can only get generic DTC, I/M , live data and nothing else.
Appreciate the suggestions.
With that being said, yes. Do that.
🤣🤣 exactly.
I got a 4EAT :)
I was think of upgrading my 5eat but nah f that 6 speed it is
🤣🤣 get it man.
Great video
Thanks man 🙏
I’m not a fan of auto but it’s great info
I feel it 👌 Thanks man 🙏
If the diff is bad can u weld it and just make it rwd
This is really good information thanks for making a video man. The discord link is expired, got a new link?
Thank you thank you, and yes this one should be good. discord.gg/Tn4VtM6D
I'm so sorry i missed this and the discord link is expired again lol
Was wondering why you where going cross eyed lol non subaru owner but love you and smeedias videos
🤣🤣 I saw a girl on tiktok do it and thought it got the views. 😉
Thanks bro 👌
Been thinking about a shift kit and trans cooler just don't know whats a good brand for a thermostatic trans cooler
The most popular option has been a trucool 4451 LPD, a lot of people shoot for bigger and wind up switching back because they overcool their units. Either way, you would want a dedicated 10%/100% flow through bypass thermostat routed into the lines themselves. Derale makes these for the 11/32" lines which can be fairly easily routed in between where they run together after the oil filter assembly, as for the thermostats operating temp, you'd shoot for 180* as ideally you want Temps to stay between 160-180*, it's likely you'd never get a setup that keeps you there under all conditions, but this would get you pretty dang close and be leaps and bounds better than stock.
@@MatlasDI have you heard anything about the Mishimoto one
@ACID MIKE they have their inline thermostat that you could get to work, but it's pretty speedy compared to a derale or others. As for their oil cooler, they are pretty good, don't need too big of one, just enough to aid in keeping Temps where they need to be. Regardless of what you go with, I'd recommend a bar and plate design.
Looking to build my 4eat in my bugeye,the first one was built but suffered a center diff failure tore everything up
What all is done in your trans build ?
Seems to be the way they go. Even with my 5eat completely upgraded, having failures happen in the past causes me to have trust issues. 🥲
@MatlasDI my stock 4eat broke input shaft . Then had it rebuilt using ipt parts that lasted 15k miles center diff went tore everything up
@Jonathan Gaia damn dude, I'd be pissed to have a built one run into something like that.
@@MatlasDI oh believe I'm pissed it gets worse wasn't warranted then upon delivery my high stall torque converter is gone
I'm here for the face 😂😂😂😂😂😂😂
Heck yeah, boiiii. 🤣🤙
How are the clutch packs replaced. Mine seems to be slipping suddenly as you described.
The clutch packs are housed inside the clutch drums so the shafts have to come out. Tail shaft housing comes off of the transmission and the internals are pulled from the backside and disassembled. Quite a chore, but there are write ups on it.
Im a machinist and have this transmission. Where can I find the info to make them?
For machining the bearing replacements the only place I could think of is a thread on the legacy gt forums. Search hexmods diff bearing and it should come up, there was someone who originally released info on them, but it takes some digging.
I just watched the video to see your face 😁
I'm cool with it 😎 😂
moral of the story is to buy a manual
Yeah TLDR 100% 🤣
Hey I have 2007 subaru legacy auto are these cvt or normal tans
Legacy/ outback line switched to a CVT in 2010 with the 2.5i models. You have either a 4 or 5eat depending on model. Believe turbo = 5eat, nonturbo = 4eat. Can tell by the shifter. 5eat has manual mode, 4eat has something like 123dnrp. 👍
@MatlasDI thanks my man yep it is a 5speed with paddle shifting
Does anyone make a aftermarket dif.
Iirc there was an option being released, but I'm not sure what happened to it. I had seen it originally on Japan sites.
So what your saying is spend the money on a six speed swap? Ha
All in you're probably around 5k to get these things up to an actual "bulletproof" level, cheaper if you have the means to do it yourself, which few can. I haven't seen failures on units that have all these issues taken car of, but I also haven't seen any being pushed passed the 600 mark, which I've seen 6 speeds hold all day. End of the day, regardless of what you do to these, a 6 speed will trump it, better diffs, more engaging to drive, engines make lose less power throigh drivetrain loss, etc, etc. I would say if you have the means to manual swap, that would be the way to go. 👌
... why not just go 6 speed 🤪 couldn't help it brother.
Hey. Someone had to say it. 🤣
What platform did hexmods jump to?
I'm not sure. Haven't heard from him in a while. I think he just went back to focusing on his normal job.
😁👍🏻👍🏻
Thanks Tom 👌
😅😅😅😅😅😅 script it baby!!!! ✅️
Just out here, killin' it 🤣🤣
Too much work. Just leave the car stock.
Mr robot 🤖
🤫😂
Your face!
😘 🤣