Subaru viscous coupling rebuild No special tools required. Subaru Gearbox stocks a vast array of Subaru differential replacement parts, new and used. I believe the viscous is ok, minus needing some good cleaning, fresh lube, and reassembly. From authorized dealers and All our rebuilt gearboxes start with a tested and reconditioned OEM Subaru gear set containing a combination of new and serviced factory internals including gears, hubs, sliders, viscous coupling, gaskets and seals and comes with an 8 month or 10,000Km warranty, whichever comes first. Items sold separately. the good news is how ever that you can swap in a used one with out pulling the trans. My viscous coupler shat itself around 1k kilometres later. Price range: $0. (at least you can on the 90 - 99 cars. com/)Part Number: (90025K405) Front cover Large oring (https://www. I am attempting to self overhaul this unit. Bearings were shot in the transmission tail housing and needed replaced. I plan on keeping the car and am also rebuilding the engine and want everything right. ) the viscous coupler is located in the rear extension housing on the trans. Over the years, Subaru have produced many different models, with different viscous couplings and different repair methods. It is not the axle or CV joints. Compatible with: Subaru Baja After getting the Subaru Wagon back, it was making some weird noises. For phase 1, you can purchase upgraded STI viscous coupling units without the entire assembly. Rear Differential Subaru Gearbox is one of only a few companies that have all of the required Subaru special tooling to rebuild the Subaru Differential precisely Genuine Subaru part # 38913AA102 Center Differential Assembly is manufactured to deliver optimal performance and reliability. Viscous Coupling Center Differential Assembly NOTE: You may need Case Gasket 33179AA030 and/or Shaft Seal 806735200. . Jan 1, 2024 · viscous coupling acting instead of a center differential In this case, in normal conditions, all power is transferred to just one axle. ⭐️Each Viscous Coupler is made with more discs over the OE Front Differential Subaru Front differential types vary depending on model specification. I hope this video was help I’m in the process of tearing down my Subaru transmission and wanted to give a brief overview of how they work. It is increasingly hard to find New Old Stock and we are already at the point were this unit failing is a major service problem. Here is the part number for the transfer drive gear for a 2010 Subaru Outback 6MT: Transfer Drive Gear: 38100AB630 Turns out the used transmission I installed on the forester had a bad center diff, so I swap out the one from the old transmission to solve the issue00:00 - In this video i will show you step by step how to replace a center diff of a Subaru 5MT. I'm surprised a dealer mis-diagnosed this. This gives you the same performance benefits as the new differentials that All Drive Subaru has to offer but at a much lower cost! From 1999 up Jul 6, 2017 · I just bought a 1999 Subaru Legacy and it's got a viscous coupling/center differential issue. Rear Differential Subaru Gearbox is one of only a few companies that have all of the required Subaru special tooling to rebuild the Subaru Differential precisely Sep 10, 2020 · Buy Sz Machparts Center Differential Viscous Coupling 38913-AA100 Fits for Subaru Crosstrek Forester Impreza 2. 5/6 STi 20kgf m/100rpm If you can take both units apart, then why doesn't Subaru say you can fix it? Dec 29, 2011 · fluids will not help, the VC in an manual trans is a sealed unit. Problem detected: Clanking from centre diff area in low speed. For the past 2 yrs and 20k About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Aug 3, 2017 · Hi! It seems like my central diff. Jan 12, 2020 · I bought my first Subaru in Nov. 80K. a brief overview of a Freelander VCU. Differential (Center). When driving wheels slip, viscous coupling locks and torque is transferred to the other axle. cv boots blown open or clicking? The viscous coupling can be changed without removing the transmission. Long atory short I bought a trans and most of it is good, but the extension housing was swapped with a damaged portion. You can also use this video if you have diff bearing noise. #subaru #wrx #sti #impreza #forester #boxer #viscous #viscouscou I called up for advice having just bought my first Subaru, a clean white 04 liberty sedan 3. '05 FXT auto that was converted to manual by the previous owner. All Drive Subaru now has Remanufactured 5MT center differentials as an option. Rear Differential Subaru Gearbox is one of only a few companies that have all of the required Subaru special tooling to rebuild the Subaru Differential precisely Jan 2, 2015 · Note: The differential was replaced because of "clicking" which was better diagnosed as "torque bind". '17 in Seattle Wa. I also rebuilt the visco Briefly touching on viscous couplers basic operation and reasons you would want to have yours serviced. I had a reconditioned one installed by a Subaru specialist in Melbourne (Australia) for $1600AUD (parts and labour included) I’m a fairly competent back yard mechanic (varied training and experience) but felt more comfortable with a shop doing it. He bought a new one from Subaru (just over $500) and installed it himself without trouble. Sep 29, 2023 · 2 fluid oz of 200,000 cst silicon fluid (59ml 200k cst)Available from Amazon/eBay/RC car hobby shops. Just be gentle and patient getting the tail-housing off the dowel pins. Sold the car but in touch with buyer. 2L 2. Forgive the poor memory for correct terms! Quad Rings(https://www. Sep 7, 2024 · The replacement viscous coupler: PN 38434AA021 is obsolete/discontinued. Dec 11, 2008 · If you were to upgrade to a STI center diff in phase 2, you get the entire assembly. First of I want to say thanks for the wealth of information here, I've done some research and some searching and I've figured out that my 1999 Impreza Outback (5-speed) has a viscous coupling that is failing. I found a really nice writeup ya'll have prolly seen - Jan 21, 2009 · If you were to upgrade to a STI center diff in phase 2, you get the entire assembly. This is the first Mar 24, 2010 · Hello I am wondering if you all might be able to help me out. com FREE DELIVERY possible on eligible purchases Front Differential Subaru Front differential types vary depending on model specification. Front Differential Subaru Front differential types vary depending on model specification. The viscous couplings in earlier 5MT models (1991-1998) are very robust and serviceable but more difficult to remove and refit than later variations. 2020-2023 Subaru Impreza Center Differential Ay [ 5 Speed Car ] Item E 38913AA102 | Subaru Parts For You Aug 10, 2023 · Buy Kessocco Center Differential Viscous Coupling 38913AA100 38913AA101 38913AA102 Center Differential Assembly Replacement for Impreza WRX Legacy Outback Baja 2. This includes time to reseal the housing with three-bond. These starting differentials are used, but they are fully gone through and reconditiond in the process of increasing the rate that the differential will lock up. So the reason is overheated silicon/oil in viscous coupling - when I've disassembled it - there were a black stinky substance. 5 speed manuals only. com FREE DELIVERY possible on eligible purchases Jul 26, 2024 · I have a 05 Forester AT that has bad torque binding. Question: Can the driveshaft be removed, and the car driven "as is", as a front wheel drive vehicle? That is, does the transmission's output shaft have a yoke which STAYS in the tail of Jul 17, 2006 · Hello. 00 - $408. This kit includes all parts needed to rebuild your RT4WD viscous coupling unit yourself!Kit includes all bearings excluding the front needle bearing, seals, fluid and an digital instructional packet as well as a listing of recommended tools you will need so you can make sure you are ready before starting the job. We go through the process of removing the center differential/viscous coupler as well a May 14, 2020 · I have a 2016 Crosstrek with approx. Dec 23, 2023 · Part: ADS 12kg/f-n center differential (AKA, viscous coupling) Repair work - this took me around 4-5 hours to complete a few weeks ago. 00 - $756. , needs a viscous coupling, but the car is not worth the expense of this repair. So it's not hard to change it but I've found no information Apr 23, 2021 · To express disappointment with your car or dealership experience, call Subaru Of America (SOA) 1-800-782-2783. The 6MT uses a different part number, which is 38913AA630. UPDATE: DEC 2024. 2004 Subaru Impreza 2. All you have to do is remove the rear extension housing. Rear Differential Subaru Gearbox is one of only a few companies that have all of the required Subaru special tooling to rebuild the Subaru Differential precisely Front Differential Subaru Front differential types vary depending on model specification. 5X) manual transmission with approximately 74,000 miles OE number: 38913-AA230/38913AA230. Feb 7, 2024 · The viscous coupling almost always fails with torque bind, so it acts like a 4WD vehicle with the center diff locked on dry pavement. Probably the most common is from flatironstuning, where they sell new or remanufactured viscous center Front Differential Subaru Front differential types vary depending on model specification. 127k on the clock when I got the sleeping pill. Sep 27, 2005 · If your viscous coupling has failed; don't bother changing the fluid; it won't help. Shop By Price. This part fits 1999-2013 Subaru Forester, 1999-2021 Subaru Impreza, 1999-2009 Subaru Legacy, 1999-2009 Subaru Outback, ensuring factory condition performance for repairs and maintenance. If so are the ones on e-bay for around $250. This only happens after the car has been warmed up and driven for about 20 min In this video, I'm talking about how I repair the viscous coupler on my Dodge Journey. was overheated and now it's blocking during long runs and hard conditions. One part of the viscous coupling is connected to the driving axle, another part is connected to the driven axle. They all are from collision takeouts. Cleaned, Inspected, Torque tested ready to install. I have a subaru tech buddy who got mine for me the last time and my wrx before that I bought a rebuild from ebay. Join me as we learn how to fix the issue! With this car being relatively newer, there isn't Aug 19, 2022 · Here is an in-depth video as to why the S1Built Viscous Coupler - 60K CST Fluid is so important!!. 5L 1999-2017: Differential Assembly Kits - Amazon. We have a 2004 Subaru Forester (2. My understanding with at least the older cars like my 2010 5MT Impreza, is that if the viscous coupling should no longer hold, as in an open diff situation, is the car will not move, as it will not transmit power anymore. A part number for example: ST3850055010 = Centre Viscous diff Ver. If it was a vehicle I was precious about I woul Hey y’all. EXTENSION, Manual, MT Dec 29, 2018 · Find many great new & used options and get the best deals for Center Differential Viscous Coupling 38913-AA100 38913-AA102 For Subaru at the best online prices at eBay! Free shipping for many products! Jun 28, 2003 · Anyone replace a Viscous Coupling: bhall: Transmission (AT/MT) & Driveline: 5: 11-10-2004 12:01 PM: Where to get my viscous coupling replaced: chrisj: Mid Atlantic Impreza Club -- MAIC: 18: 06-24-2003 02:28 PM: Viscous coupling: Spdmtr5: Newbies & FAQs: 13: 01-11-2001 08:22 AM: Viscous coupling hammering the drivetrain under hard acceleration Vermont Auto All our Subaru Differentials are removed from Non-Turbo (Lower Horsepower Models). Mt, transfer and extension. You know you have this issue because of the noise/growl . Apr 29, 2008 · Search around for the viscous coupling. 0L: Differential Assembly Kits - Amazon. ) So anyhow, want to better understand it. Aug 29, 2024 · Vermont Auto All our Subaru Differentials are removed from Non-Turbo (Lower Horsepower Models). 00 The filter has been applied Dec 28, 2020 · Center differential work done on my newly acquired ‘04 WRX. I’m curious if anyone here has rebuild a viscous coupler for their EJ. Medium size pry bar is a must for A short presentation about the viscous coupling found into subaru center differential units. com/)Part Number: (9262K778) UPDATE: New Silicone My wife’s Subaru has had binding CV Axles for about 30,000 miles. 00 The filter has been applied; Price range: $408. Compatible with 2002 - 2007 Subaru Baja 2013 - 2017 Subaru Crosstrek 1999 - 2013 Subaru Forester 1999 -2017 Subaru Impreza 1999 - 2017 Subaru Legacy 2002-2014 Subaru WRX Shipped Priority About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The center differential (Viscous Coupling) in my 5pseed Subaru needs to be repaired I have tried searching the internet for some guide to help me but to no avail and frankly speaking, I can't afford a new diff or neither do I have the budget to send it overseas to someone who can do the repair (i am living in JAMAICA) Apollogies. (It was fully disclosed and I should have done this research first, but just wanted to make it happen. Drove it home to the SF Bay Area without incident with the exception of a leaking shift shaft seal. Last year mine went out and someone posted an excellent write-up on the difference between the early and later units along with pictures. 0SpecB six speed manual, (pre facelift, non-centre diff control) and had questions about the viscous coupling and gearbox, and the amazingly helpful bloke on the phone couldn't have explained it better or more simply, aftermarket LSD's, their own uprated Apr 27, 2010 · Rebuilt coupling 375$ I submitted a copy of my dealer receipt for a new viscous coupler ($570) and Subaru is reimbursing me $500 as a "goodwill" effort!! I'm Sep 27, 2023 · https://akdbuiltperformance. I had a family friend that had a bad coupling of the later version. Sorry this is of no help and good luck. *Disclaim We were having problems at the track last event. The part number 38913AA230 is for the viscous coupling of a 2010 Subaru Outback 5MT. Rear Differential Subaru Gearbox is one of only a few companies that have all of the required Subaru special tooling to rebuild the Subaru Differential precisely Shop OEM Subaru Part # 38913AA102 (38913AA100, 38913AA101). I am new here. mcmaster. During normal driving, the relationship of drive forces between the front and rear wheels is 50 : 50, when slip occurs and the speed of the front or rear wheels increases, torque is transmitted from the high-speed side to the low-speed side in accordance with the This is the recomended kit for 90% of street cars and racers. 5/6 STi 20kgf m/100rpm If you can take both units apart, then why doesn't Subaru say you can fix it? The Subaru Centre Differential or Viscous Coupling performs the specific task of regulating torque between the front and rear wheels. Dec 8, 2022 · I've found a couple places that either sell new performance center differentials, or rebuild and upgrade your old unit - but I haven't found many reviews on them for street driving. I've already had a subaru tech tell me I need to replace the center diff but can only find people replacing them on manual transmissions and have even seen stuff saying that automatics have viscous couplers instead of center diffs. Result - immediate improvement and more consistent driving feel. 5L 3. The dealer doesn't rebuild the coupling every time it needs fluid, perhaps you can sweet talk a guy at the parts counter. 5TS center diff bearing replacementIf you go to replace the bearings in your Impreza's center diff, don't forget to move the spacer fro Aug 23, 2023 · Find many great new & used options and get the best deals for SUBARU VISCOUS COUPLING at the best online prices at eBay! Free shipping for many products! Toyota Sienna and Rav4 AWD very common failure is the bearing in the Rear Viscous Coupler goin bad. Also, as noted in slide # 40 the viscous coupler fluid is normally clear or honey-colored, and more the consistency of gear oil, rather than the thick, tar-like material found in this coupler. I usually do my own work on the car but here recently I've been pr Viscous Coupler Rebuild Kits. Colin thinks its the center differential due to the wheels locking up after we already replaced the rear dif Oct 9, 2011 · My '99 Outback, manual trans. 00 any good (rebuilt from China) or should I just speed the money and get a new on from Subaru. Write comments and subscribe to my channel. Oct 20, 2017 · Like to understand? Plz switch on the subtitles! :-) Nov 22, 2019 · Or is trying to repair this even a good idea? Should I just spend the money and install a new one. The dealership already replaces those and the problem did not go away. 👨🔧 I am not affiliated with Subaru. drop the exhaust and the drive shaft, unbolt the housing and remove the VC. Following this guide, we will rebuild this non-serviceable part and restore the original functionality. Attempt at your own risk. We're your axles dead-ie. com/akdbuilt-hydraulic-rt4wd-coupler-internals/?utm_source=IGShopping&utm_medium=SocialFinally the first production viscous coupl You are right. It makes a knocking / clunking noise when I male sharp turns. 0L 2. pardxqzpypztumdplkpewbwkhxiewtnhjrpmkdhpnlyhkkqohwskx