Subaru phase 2 transmission Anewer version of the Subaru 4-speed transmission has been in production since the latter part of the 2004 model year. This is the next generation of Subaru automatic transmission. 5-98 Subaru vehicles. 5XT Limited 5MT AWD 5-Speed Transmission With Rear 4. It was then phased in over the next two years in other models. Jan 18, 2024 · COBB Stage Power Packages are the easiest way to extract more power from your VB WRX with Subaru's SPT transmission. 44, despite retaining the group N transmission mount. Changes in your diagnostic approach, due to these electronic transmission controls, are required. For that reason, many consider them a one-year-only animal. Nov 20, 2012 · Any Forester manual transmission from MY97-02 will bolt into your car. As a Subaru owner, you need to find the best in service and repair to make sure your vehicle lasts for the long haul. It shifts great and works as it should but I am looking for options in case it shits the bed. I could swap in an NA Phase I Legacy 4EAT, but I want to know what else I could swap in. Based on my experience and data from service bulletins, here are the models that saw the most frequent issues: 2010–2013 Subaru Outback and Legacy 2014–2015 Subaru Forester 2012–2015 Subaru Impreza 2013–2015 Subaru Crosstrek Drivers of these Subaru has a few different valve body configurations. 5 are the same engine electronically, that's why the swap is so cake, so that doesn't matter, swap away later if you want too. 2L Engine? Is it good or bad? Read about Subaru EJ22/EJ22T/EJ22G 2. In terms of maintenance services, this transmission is very similar to Jatco transmnissions. Phase 1 Years Made: 1998 and older engines Tuneable ECU: None Intake Manifold Bolt Pattern: Straight Line Pattern Jan 1, 2013 · Tech Resources Transmission Remanufactured Valve Bodies Articles Subaru Identification Guide Solenoid Identification Or Connector Pin Outs Remanufactured Valve Bodies Print January 01, 2013 Email Share Jun 1, 2007 · I need to replace the automatic transmission on my 1999 Legacy Outback Wagon. When I turn the key to "on" I hear a buzzing from the general area of the solenoids on the valve Customer: Followup to center diff causing bind, will/can a phase 1 5MT center diff made to fit a phase 2 5MT transmissionThis is the 1999 subaru forester we chatted about earlier, do you have access to our previous questions/discussion? Production of newer version of the 4x Subaru 4AT transmission, called 4EAT Phase II Version 2. Can anyone tell me the years that will interchange? Thanks Jan 20, 2018 · Phase 1 vs. I tried the old "screwdriver against the transmission to find the noise" trick, and it's definitely coming from a solenoid in the pan. FWIW, I have a 59-TY754VCDCA trans and a ej251, but my reading of the forums says any 1999 MY or greater Center Diff Type listed as "Viscous (4kgf Nov 11, 2008 · My RS transmission, from day 1 had a gear whine that was quite audible in 1st-3rd gear. turbo versions) from 1999-2010 (depends on model when the FB-series engine was 1st used). 2004), the codes are : 11 Engine speed signal. What is the EJ22/EJ22T/EJ22G 2. This engine produced 135-137hp and was used in the 1995-2001 Subaru Impreza as well as the 1990-1999 Subaru Legacy and 1995-1996 Subaru Outback. The valve body in these 4EATs change between the phase and versions. And a Low Clutch Timing solenoid, that does the same thing for the 2-4 brake and the low clutch, for the 3-4 shift. This manual covers complete hydraulic circuit diagrams, clutch application, pressure testing, exploded view of the valve body, identification and operation of all valves, springs and solenoids. Apr 17, 2017 · Phase 2: All Subaru 2. Everything matched up perfectly, including axles. Apr 23, 2020 · So, the good (?) news is, it appears to be a phase 2 version 2. 1999 to approx. The 4EAT Phase 2 (introduced on 1999 Model Year vehicles) provides the same type of electronic control used by prior model year vehicles and shares many of the same diagnostic procedures, however there have been internal and external changes that require this 4EAT to be viewed as an entirely new automatic transmission. other wise the transmission shifts fine from 2nd to 3rd and 3rd to 4th up shifting and it is fine when shifting Oct 3, 2015 · So I'm looking to swap in a 4. Detects open or shorted input signal circuit. I've been following the factory service manual as well as this PDF with the phase 2 technical documentation. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other Jun 29, 2018 · 4EAT valve body differences? Version 2 in a Version 1 car? Transmission (AT/MT) & Driveline The 4EAT sale is here. 0, 2. 5 but can't seem to locate any new solenoids. The 4EAT unit is a very reliable and simple system with special settings which do not allow drivers to overload prone-to-damage parts with a high degree of safety. auto trans compatability is often not easy for a variety of reasons - 99-04ish should work. Nov 20, 2023 · Explore the Subaru 4EAT Phase 2 Technician's Reference PDF with VTD updates, service details, and key enhancements for automatic transmissions. They are all interchangable. This newer version of the 4EAT Phase II (EC8) 4-speed is referred to as the 4AT (H4DOTC) by Subaru. Feb 25, 2021 · I'd like to replace all the shift solenoids in the 06 2. Oct 24, 2025 · You can also lookup Subaru transmission by VIN using our Decoder Tool. Jan 21, 2009 · One for phase 1 transmissions (91-98 Subaru 5MT), and one for phase 2 transmissions (99+). What is Phase 1 and Phase 2? Phase 1 and Phase 2 refer to the year the engine was made. Transmissions used with four-cylinder engines will have an external filter on the case, as shown in Figure 1. . By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload Dec 23, 2021 · In addition there is a 2-4 Brake Timing solenoid that "termporarily engages the 2-4 brake and the high clutch, preventing shift shock and engine racing" on the 2-3 upshift. 07 Outback 2. . It was called the 4EAT transmission. I would look for a trans - then google search to see if anyone has used that trans in a 95-99 legacy. Jan 22, 2017 · I recently picked up a 1999 Wagon with the phase 2 4eat transmission in it. I am trying to find a JDM TCU so I can run a 20G VTD trans but can't loca Feb 11, 2015 · phase1 vs phase 2 ej22 Subaru ConversionsWelcome to the NASIOC. Same year as the Subaru 5AT 5-speed gearbox. According to Sonnax Subaru: These are the years and models when the Phase II Version II valve body started production: 2004-Later Subaru Forester, Turbo 2005-Later Subaru Forester, Non-Turbo 2005-Later Subaru Legacy/Outback 2005-Later Subaru Impreza, Non Internal and external changes require viewing the 4EAT Phase 2 as an entirely new automatic transmission. Helping a buddy with his Subaru. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. There two phases are interchangeable for manual transmission, but not automatic. Apr 15, 2021 · In this blog post we go over the differences between phase 1 and phase 2 Subaru engines. Throughout those years, the transmission has been through many significant changes. I understand these are removed for a 818 mod kit. Phase I and Phase II 4EAT valve bodies had 7 solenoids spread out all over the lower valve body. 5 pistons, DOHC heads, Intake Manifold and engine harness. These differentials can't be swapped between phases, so if you try and get a used one, be sure of what transmission it came out of. Any thoughts on where to find shift solenoids? Thanks. Feb 5, 2020 · 4EAT Phase II Version II Swap Transmission and Drivetrain Oct 14, 2022 · Hey, so I've been slowly working on a Phase 2 4EAT rebuild. Many people refer to them as a “six pack” style. This came in all of the SVX cars, along with any automatic 4 speed Subaru before the year 1998. Same final drive ratio but electronics are quite a bit different. A few months ago we swapped a Phase 1 DOHC 5MT from a MY98 Forester into a Phase 2 SOHC equipped MY03 Baja. This is completely gone on the 4. There are also some mechanical differences. I'd probably stick to 99 Sep 7, 2024 · The main difference being the Phase 1 transmission uses a sealed/welded viscous that cannot be opened. Additionally, beginning with the 2001 model year, an enhancement to the all Oct 23, 2017 · The 4EAT in my 93 Turbo Legacy has 180k. Runs like a top and interior is mint, other than the carpet but the trans For all Subaru owners in Silsbee, TX, Phase 2 Automotive is the go-to place for quality service. 5L outback automatic Feb 12, 2023 · Rebuilt a phase 2 4EAT. If you are looking to replace a blown engine, click here. It was superseded to 38913AA102. On my 1995 WRX STI the center diff's viscous was seized causing extreme torque bind at all times (like a truck locked into 4x4). Things don't work as nicely the other way around though, but they do still swap over. 2 and 2. 44 gear ratio transmission. Feb 14, 2016 · What did you end up doing? From what Ive found my 2002 4EAT WRX has a phase 2 version 1 transmission and it CAN be upgraded and modified with a valve body kit, unlike the phase 2 version 2. I recently purchased a grandma owned, one owner car with 215k on the clock. I'd assume that the 4eat in the 01' Legacy should at least be a Phase 2, correct? The Subaru 4EAT is a four speed microproces- sor-controlled transmission that was installed in many 1987. Alternatively, if you have the subaru FSM for each car you can take a look at the wiring diagrams for the trans connectors and if they are the same, I would imagine you can be fairly Feb 1, 2019 · Sometime at the beginning of the 2004 model year, Subaru redesigned the 4AT Phase ll Control system that placed the transfer clutch control solenoid into the valve body. 1999) transmissions. 5L DOHC 4EAT Phase 1 Transmission with 207,xxx miles Recently, the check engine light went on and I had a code of: P0743 Torque Converter Clutch System Electrical This was Production of newer version of the Subaru 4AT 4-speed transmission, called 4EAT Phase II Version 2. It monitors the engine and transmission performance conditions 2005-2006 Subaru Outback 2. But as the years rolled by, significant changes took place with the design of the transmission. Jan 1, 2013 · Phase II, Version II Identification The 4EAT Phase II, Version II was introduced starting in 2004 in the Forester Turbo. This is the DOWNLOAD link for Subaru 4EAT Phase II TechGuide. Dec 11, 2008 · One for phase 1 transmissions (91-98 Subaru 5MT), and one for phase 2 transmissions (99+). Much better than a rebuilt 4EAT, this Subaru replacement transmission is fully remanufactured with upgraded parts and torque converter. We have the classic 4eat Phase 1 transmission. The Subaru 4EAT transmission is a four speed, microprocessor-controlled transmission. It features a lock-up torque converter, which locks up in all forward gears except 1st. Jun 30, 2019 · Apparently there have been good results with using the "RatioTek" shift kit on 99+ Phase 2 4eat transmissions - has anyone heard of or tried this on their vehicle? I have no clue as to how much the "VDC / VTD" transmission differs from the normal phase 2 4eat's. 5L engine have the 4. The part number for 5MT Phase2 center diff (4kgf) is 38913AA101. Feb 26, 2015 · A number of years later they phased out the 3 speed transmission using a 4 speed version, which was available in FWD and Full-Time AWD. Sep 2, 2016 · Hi Guys, This has been bothering for sometime now. 4EAT Transmission repair manuals (Subaru), diagrams, guides, tips and free download PDF instructions. The 4AT Version 2 Phase 2 has six solenoids in group and one linear pressure control solenoid that are separate. The first main change occurred in 1998 where the 2-4 brake band with replaced with a 2-4 clutch pack (Figure 2). From what I've learned thus far, all legacy/outbacks/foresters from the 90's with a 2. The shifts are buttery smooth and the car goes into 1st much easier than the RS ever did. The new design valve body (referred to as Version II) contained 3 clutch control solenoids, 2 brake control solenoids, a TCC and pressure control solenoid (Figure 1). Overhauls usually Jan 1, 2020 · The 4EAT transmission (Figure 1) used in Subaru vehicles has been out on the road in many parts of the world as early as 1987 to as late as 2012. Because it is unlikely that you will be disassembling a Phase 2 transmission in the near future, this article will concentrate on principles of operation and failure diagnosis. Check these troubleshooting and repair guides for more help on your Subaru. Sep 1, 2006 · Parsing hydraulic information is the dominant aspect of Part 2 on Subaru’s Phase 2 transmission, which is used in the Baja, Forester, Impreza, Legacy and Outback models behind either a four- or six-cylinder engine. Oct 4, 2023 · Subaru 4AT Phase 2 Part 2 - Transmission Digest The first installment of this article, published in the July 2006 issue of Transmission Digest, provided information regarding leaf-spring locations, solenoid identification and specifications as well as the transfer-clutch solenoid update and its operation. Dunno how true that is, I've never tried to swap one into or out of anything else. 5L) with a used one. There are three different styles of connectors: single black, 2 blue and 2 red. I need to replace transmission (auto, 2000 outback 2. I take this to be the '4EAT Phase II Version II' and the '04 Forester XT as the only '04 (and first The newer version of the Subaru 4 speed transmission 4AT referred to as the 4EAT Phase II Version 2 or 2nd Version started production in 2004. Additionally, beginning with the 2001 model year, an enhancement to the all Technical issues and repair guidelines Subaru vehicles with this transmission rarely come to transmission repair shops. Jun 8, 2022 · Hey guys new to forums. 27 ATF temperature sensor. Phase 2 EJ-series 4-cylinder engines Phase 1 and Phase 2 (aka, Phase I and Phase II) refer to the Engines, Transmissions and Electronics used in Subarus. Jun 6, 2014 · 99 is an oddball year for the 4EAT in the Outback as it's a phase 2 trans behind a phase 1 engine. Special thanks to The electronic control system consists of various inputs (sensors) and outputs (lights and solenoids) in addition to the Transmission Control Unit (TCU). Can you confirm this? I am a left leg above knee amputee so I have no choice in pjcking an auto or manual. The first step is to ID the valve body by the solenoid main connector. For transmissions in later-model Subarus (phase II 4EAT used approx. 98 Forester will still be phase 1 and it's doubtful it'll work. or Version 2, began in 2004. 44 ratio auto trans into my 1993 Subaru SVX. Fluid capacity and type, valve body and solenoids charts. We hope you found the Lookup Subaru Transmission by Model Year guide helpful. Nov 4, 2010 · However, the codes above are for 4EAT phase 1 (pre-approx. As a result, the original 4EAT is referred to as the 4EAT Version 1 Phase 1. Above that shift shock 1-2, 2-1 Jan 19, 2021 · I found this possibly helpful transmission code decrypter, but it looks like it only describes the phase 1 4EAT up to '99 (?): Hopefully someone can find a similar chart for the newer gen/phase 2 4EATs ('00+). *The 1999 Legacy OB, SUS and GT’s EJ25D used a Phase 2 shortblock BUT with the Phase 1 ’96-’98 2. Service manual (SM) states the XT (turbo) has the trans with a 'control valve assembly' (valve body and all solenoids sold by Subaru only as a unit). Now I have everything ready to go and it's stuck in park and the car doesn't start. 2-liter Subaru boxer motors. Dec 17, 2024 · The Most Problematic Years for Subaru CVT Transmission Reliability Subaru CVT problems were most common in vehicles built between 2010 and 2018. 2L Engine design and features, its the most common problems and relaibility. Now let's talk gear ratios. or 2nd version, began in 2004. Jan 21, 2019 · So I have discovered (I think) that my 4EAT is a Phase 2 Version 2. 5 engines (incl. Dec 11, 2012 · How To Replace the Duty B Solenoid aka Duty Solenoid B aka Lock Up Solenoid Car: 1997 Legacy Outback Wagon 2. the issue I am having is there is a slight slip in the transmission when shifting from 1st to second gear. I was able to shift through PRNDL when I first hooked the shifter up a month or so ago. I searched for a long time, but the information for automatic is very limited (for manual transmission they have pdf!) So far I got: 1999-2004 2. I can buy 'rebuilt' solenoids from eBay/Amazon but I'd rather get new from somewhere reputable. It is also to my understanding that any of these transmissions from before 98 (and some 4EAT Phase 2 (introduced on 1999 model year Subaru vehicles) provides the same type of electronic control used by prior model year vehicles and shares many of the same diagnostic procedures. It is a partially electronic shifted transmission that uses a dropping resistor for line pressure control and features a brake band for the 2-3 shift. 5 non turbo, 4EAT Phase 2 Version 2, TZ1B7LCCBA Current state: drives and shifts fine when transmission temp is cold up to ~170F. In addition to being smoother and quieter, it is designed to help maximize fuel economy while providing performance. Feb 22, 2017 · I have an '04 XT w/ automatic transmission. Jul 30, 2015 · The 2. Apr 22, 2014 · Need a replacement viscous coupler from a 1999 or older phase2 trans for my 2003 Outback base model. Now for the transmissions themselves. However, there have been internal and external changes that require this 4EAT to be viewed as an entirely new automatic transmission. This transmission utilized a band for 2 nd and 4 Aug 22, 2019 · 4EAT Torque Converter Clutch Solenoid Questions Transmission (AT/MT) & Driveline Dec 14, 2014 · There are minor differences over the years in the bellhousing, 90-98 are phase 1 4 bolt bellhousing and 99+ are phase 2 8 bolt. These differentials can't be swapped between phases on their own, so if you try and get a used one, be sure of what transmission it came out of. The first: There's a medium ball bearing Jan 19, 2021 · Hello, first time poster here. (200F is highest reading seen via FreeSSM). The Phase II Version II 4EAT has 6 solenoids grouped together under a metal plate with the EPC solenoid in a Jul 1, 2006 · One of the more-frequently asked questions in calls ATSG receives regarding the Subaru 4AT Phase 2 transmission is, “Where do the leaf springs go for the 2/4-clutch and low/reverse-clutch-pack stack-up?” Figures 1 and 2 show the position and configuration for the 2/4 pack, and figures 3 and 4 show the low/reverse pack. com Subaru forum. EJ221, EJ222, EJ223 (Phase 2) - The EJ221, EJ222, and EJ223 engines are known as the “phase 2” naturally aspirated 2. 44 LSD R160 Differential and Axles. Freshly resealed engine by a retired Subaru tech, I took a good look up top and down below and everything checks out. I'm almost done, there are just two parts that I can't figure out where they go. The same year as the 5AT Subaru 5 speed transmission. It is not a three speed transmission with overdrive. Sep 25, 2011 · Phase 1, Phase 2, Differences??? Transmission (AT/MT) & DrivelineWelcome to the NASIOC. tmw rhsddsl rdfhmbcn oxwyeq lky wzzlly lnirkcrq jimtmk yxuj xvek fgbre txgm fwn qfvr rsy