Subaru wrx rear diff noise. This noise is outside the cabin.

Subaru wrx rear diff noise Then I took my 2008 tribeca (with > 130k) on a 3200 mile road trip. It sounds like it and open it's a 45/55 tq split apparently We invite you to join our Subaru Impreza WRX and STi community to discuss engine mods, builds, detailing, and more. The condition of the fluid should tell you which diff (front or rear) is making the noise. Save Share Reply Quote Like. Also, your rear diff bounced a lot, especially with the tires on the air imo. Fix was to replace the crossmember supporting the diff with one that had 2 dampers bolted on to stop the resonance of the "slight diff noise. Well when I drive my car under 20mph there is a loud thumping noise in the rear. He I've just come back from a japanese gearbox specialist he says that there is a bearing/washer between the gearbox and centre diff that has shredded and is causing these noises. That it's really loud and noticeable when compared to stock gears. Rear diff noise? (R160-03 wrx) Transmission (AT/MT) & Driveline. better than the valvoline 75w90 for It's a slight clunk but I don't hear it if I let the clutch out slow enough. Differential was replaced and noise reappeared after a thousand miles. everything is maintained religiously outside of the rear diff fluid on this puppy. The clunk sound is caused not only by the flex, but by "voids" in the stock bushings. Vehicle was taken to a local shop and test drove with a mechanic for approx. It dosent make the noise any other time. The replacement viscous coupler: PN 38434AA021 is obsolete/discontinued. The center diff bearings are not too bad to fix on your own, they are But if I had to guess, I'd say diff. '02 WRB Sedan Removed silencer w/ Akimoto Velocity Stack, Blitz Dual TT, Autospeed Prototype Up-pipe w/ Flex-joint, Autospeed Crank Pulley, Autospeed OEM Dead Pedal, Samco IC Hoses, Axxis Pads, Goodridge Lines, Neo Synth Brake Fluid, Speedbleeders, Eibach Pro-Kit, Perrin Endlinks and Rear Sway, 17" Sub Zeros w/ 225/45 ES100s, Crucial Is it time to start re-lubing everything? I know polyurethane takes extra maintenance and a different kind of lube, but I thought that was just because of a squeeking problem, not thumping. side rear wheel area. Just got it inspected now I can work out the rest of the kinks. Car sits on eibach pro kit springs, and kyb agx struts. Subaru COBB Subaru Rear Differential – Subframe Mount Bushing Insert WRX 2008-2021, WRX STI 2008-2021, Type RA 2018, S209 2019 $ 35. (It's not the rear differential. On the way home, I started hearing a deep rrrring noise coming from the rear end of the vehicle. Add to quote; Share Only show this user According to Subaru, most of the STi's built before April of 04 get that sound. It gets louder as the car increases with speed. 5i made a metal grinding noise from right underneath me. it was my ignorance not realizing it had to be changed. I changed the fluid from the rear diff. We found the noise to be coming from the "snout" of the rear differential. Get under the car and start inspecting. It also only happens when the brakes are NOT applied. Here is the service bulletin for it: A countermeasure has been made to address noise coming from the rear differential area. look for a bad trans and buy the rear transfer housing and have it installed. By Phillip, October 9, 2007 in 1990 to Present Legacy The only issue is that it is making a strange noise which I suspect is either the front or centre diff or the transmission. Along with starter, usual clutch. Shop 2017 Subaru WRX Drive Axle. If it is a diff failure, as stated above the final drive is 4. The rear diff is a common misdiagnosis. 07 WRX/STI Rear Driveshafts. and it is the struts in the rear. 9 for the WRX 5 speed, but the rear diff ratio is 3. I was told I needed to flush my rear diff, but I forgot. I don't find too much trouble w/ NVH and I'm running STi struts/springs Shop 2005 Subaru WRX Drive Axle. One side looks like a standard male rear axle and the other has two sets of splines as seen below. buy a 02-05 WRX rear R160 differential in the proper 3. (Viscous Limited Slip Diff) and it was standard by 01' so if you buy a 4. Those of us who bought new Foresters and changed the oil in our diffs at 10K miles found the rear oil was already discolored compared to the Sounds like a blown rear diff look it over more and give more details please Hawk-Eye Alliance #801 The Impreza "this was repaired/replaced at what mileage" database (Please Contribute):thumbup: Subaru WRX Forum. Rear subframe/diff lockdown on DD Wrx? Brakes, Steering & Suspension Welcome to the North American Subaru Impreza Owners Club: Saturday December 28, 2024: Home: Forums: Images: WikiNASIOC: Products: Store: Modifications: Upgrade Garage: Brakes I have solid aluminum outriggers Love the rear end noise. Come join the discussion on performance modifications, accessories, turbo upgrades Transmission noise fixed! center diff bearing Transmission (AT/MT) & Driveline 2002 Subaru WRX UR Stage3 fmic vf34. That's why almost complete coverage of your doors and floor are necessary. 15 mins after car was fully warmed up. ive searched and read for a while and it seams to be either the rear diff is going bad or this is a normal sound from an sti . I put my old differential on another WRX and the sound was nonexistent. They said my tires needed to be rotated, did that, and the noise is still there. Are you sure it is the diff and not just normal suspension noises/feelings? If I read this correct, your inside rear tire comes up when entering the sharp turn to the steep incline of your drive. Fits Legacy Differential If you’re hearing gear whine, clunking, or bearing noise from your rear differential, it may be necessary to remove it and have it rebuilt. Don't want to be mean but I need more info to help you out. ) UPDATE: I have a noise that's a little clunk or tap sound when I let out the clutch. 8 differential noise testing & diagnosis c363-001 0. If its the rear diff, the whine will be obviously coming from the rear. Have our technicians examine your 2011 Subaru WRX to determine the best course of action. The noise may make a high frequency "Hoo" (Harmonic) noise and is most noticeable with little to no throttle application (coasting or Subaru WRX Engine Tech. Click for details. Subaru WRX Forum. There's no doubt that you've heard the distinctive noise that is a Subaru in the distance. Labukas19 Discussion starter · Aug 9, 2007. " It seems like the first few years of the wrx that this was a somewhat common problem. Two worn tires in the back, two new tires in the front. If you think it’s the diff: check fluid level Then drain the fluid and check fluid for swirls or particulate or chunks. They said they inspected the differential and said everything looked fine. 2015 WRX - Rear Differential Transmission (AT/MT) & Driveline I went to do my 30k service and replace the transmission and rear differential fluid. As soon as I let off the brakes the noise comes back. Some of the common issues that result in a loud noise from the rear of your Subaru while driving, often times considered to be wheel bearings but here are so DIFFERENTIAL ASSEMBLY-REAR Drive Axle AssemblyDifferential. Drive 235/4517 tires. The noise can be reduced by use of heavier weight gear oil. Fits Forester, Legacy, WRX Differential If youre hearing gear whine, clunking, or bearing noise from your rear differential, it may be necessary to remove it and have it rebuilt. You have answered that question by being on or off the throttle and and not making a difference to the whine. 2 that I am getting back on the road. What happens is, a condition exists where the turning circumference of the four wheels is uneven (one or more tires mismatched wear The Rear Differential-to-Subframe bushing kit (rear of differential)is the perfect mounting solution for your Subaru's rear differential to the subframe. 2M posts 155K members Since 2001 We invite you to join our Subaru Impreza WRX and STi community to discuss rear differential assembly r&r b372-001 0. Welcome to the North American Subaru Impreza Owners Club: Thursday August 15, 2024: Home: Forums: Images: WikiNASIOC Welcome to the NASIOC. The sound didn't disappear. I will rotate them the next time I do an oil change and see if helps. I have never dumped the clutch and no matter how the car sounds brand new actually. but after I got my car back, the noise was gone. Car was driving perfectly until then. Has anyone had or have a simillar Sounds like your spider gears inside the diff are going out or gone. Will need a controller as well. Listen carefully and you will hear it clearly in the rear. Im fairly new to the WRX scene, but anyways back to my prob. -Could it be the front Diff? DIFFERENTIAL ASSEMBLY-REAR Drive Axle AssemblyDifferential. Worn diffs still whine not being driven so disconnecting the driveshaft / FWD fuse may not isolate the whine - it may lessen it. Also I never hear it starting from a stop. I have less than 10k miles on the car, no mods except for catback and rear sway bar. Sold the rear diff and removed the rear axles. My car had the same noises, and circumstances as you, it went away with the fuse in. Welcome to the North American Subaru Impreza Owners Club: Saturday January 18, 2025: Home: Forums: Images: WikiNASIOC: Products: Store: Modifications: Upgrade Garage : NASIOC > NASIOC Technical > Transmission (AT/MT) & Driveline: 02-07 WRX Rear Diff Compatibility If the sound is vehicle speed related, I would say your rear differential is going bad. I read on some of the previous generation models having odd acceleration noises, but not so much in 2008-2014. This article lists 5 common causes I have about 6000 miles on my WRX, which is 100% stock. Rear diff whine is a very common thing on the 04-05 models, especially the XT it seems. We’re the best Subaru Forester Owners Forum to talk about the best years of the Subaru Forester, modifications and reliability history of the Subaru Forester. Took it to my mechanic and he said the rear diff bearings were shot. G/R=4. We're a forum community dedicated to the Subaru WRX. We can go from there. So now what's my move. The viscous coupling is often the last component to fall under suspicion. For some reason Subaru decided that they would ditch the rear LSD and utilize the traction control to supplement the change, kind of lame in my opinion for a performance car. It is worse the more load I have, and is pretty consistent when driving up hill, at lower rpms. The trademark Subaru Diff-Clunk occurs when the differential rotates on it's mounts, and causes the differential subframe to bottom out on the body of the car. Please read the rules, they will be enforced. Jump to Latest the good news how ever is that starting in 00 the outback came with an optional VLSD rear diff. I think I will change diff oil b/c I don't know how long it has been since its been changed (don't think it will help tho). Subaru diffs Newer Generations of Subaru discussion ; 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX because these AWD systems can make alot of different noise from alot of different places. Take the plates on the sides off so you can actually take a look at the carrier bearings, and have better access to the pinion gear. Differential If youre hearing gear Action, Allows, Axles - OEM Subaru Part # 27011AB161 (27011AA750, 27011AB160) Just front to rear. But maybe it is the same problem I am having. One customer noticed a clunking sound while 1996 Legacy 2. The first symptom is a humming noise or whirring noise, loudest at about 50mph, unrelated to engine rpms or throttle. Even at 75% closed, the noise doesn't change drastically. noise 1331 Views 0 Replies 1 Participant Last post by Labukas19, Aug 9, 2007 Jump to Latest L. Differential If youre hearing gear Action, Allows, Axles - OEM Subaru Part # 27011AB221 (27011AB100, 27011AB220) Rear diff temp light flicker? emanon: New England Impreza Club Forum -- NESIC: 6: 03-20-2010 02:53 PM: replaced rear brake rotors: rear diff temp indicator & slight rubbing? nhat: Mid Atlantic Impreza Club -- MAIC: 0: 05-29-2008 04:12 PM: Rear diff temp light and CEL: Ryan Smith: Transmission (AT/MT) & Driveline: 1: 01-22-2006 10:51 PM: V8 I am installing (attempting) the STi "rear" rear diff bushing. 44 final drive (ring and pinion). When i accelerate there is no noise but as i let off the throttle like engine breaking the noise starts. " If your 2018 has the CVT, it does not have a center differential, in the sense of a set of gears similar to the front and rear differentials. They should run about $100-$200 bucks. Almost sounds like it’s coming from the rear diff. Rear Differential Interchange. We were doing a little trouble shooting on a loud noise I get at all sorts of random times. This can cause noise and lash in the drivetrain. 0 differential noise testing & diagnosis c363-001 0. Guess where I put the lift under the car . One notch Check u-joints, maybe the carrier bearing, and the transmission. 0 A forum community dedicated to Subaru WRX owners and enthusiasts. So what would be a good Transmission fluid, and rear differential fluid? Can I use the same oils for both. If your Subaru WRX has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. Wheels are 5zigen fno1rc with yokahoma s. In my experience it can be kept in check with religious fluid changes, but I've also heard of a few like yours where the whining sound was off the scale and a I've read about it a little bit, and people are saying Subaru replaced their rear differentials. I see the factory gear oil is 75w80 Subaru extra MT (which I can’t find anything but barrels of online) but it doesn’t say whether it’s gl4 or gl5. *** i would have someone ride in the back and try to determine positively (or maybe you already know?) if it's center or left/right? if someone sits in the rear cargo area (maybe you while a friend drives that does not have a life insurance policy on you LOL), it's usually very obvious and helpful to know this. I used Subaru Extra S and Basically, what I *think* is my rear diff, makes a clunk or more of a knocking sound quite a bit. Make the car Apparently when you have slippage and grip simultaneously in the rear and front this can cook the fluid quickly in the Dif causing it to fail. 3 forester rear differential assembly r&r b372-001 0. I don't notice any performance change when it happens. Then the rear diff temp light came on the dash. Shop 2002 Subaru WRX Drive Axle. Fits STI, WRX Differential If youre hearing gear whine, clunking, or bearing noise from your rear differential, it may be necessary to remove it and have it rebuilt. 2M posts 155K members Since 2001 We invite you to join our Subaru Impreza WRX and STi community to discuss engine mods, builds The sound can best be described as a clunk/knock on the body type of sound. 2M posts 155K members Since 2001 We invite you to join our Subaru Impreza WRX and STi community to discuss engine mods Clunking noise from rear of STi? Optimus Prime: General Community: 9: 07-19-2005 10:49 PM: AGX strut owners: clunking noise from rear? txl146: Brakes, Steering & Suspension: 14: 07-19-2005 09:08 PM: clunking noise from rear diff: banta80: Transmission (AT/MT) & Driveline: 7: 03-19-2005 12:11 AM: 05 STi popping/clunking noise from rear when Moreover, the rear differential oil temperature switch opens when the rear differential oil temperature exceeds 150° C (302° F) causing the rear differential oil temperature warning light in the combination meter to turn on the noise seems to be coming from the front left of the car, possibly the wheel, im not entirely sure. It sounds slightly louder on the passenger side. The cause is generally mismatched tires. If it is getting worse stop driving. After you replace the diff with a good unit, if you find there is still a 'whirring' noise, most likely it will be the CVT bearings inside the CVT. I thought it couldve just been something loose in the trunk. I found out that it's common Whines when cruising (light throttle), goes away when accelerating or decelerating and it's road speed related (changes tone with speed and sounds the same at any given Rear differential noisy. Jump to Latest 6. the only real trouble i have ever had on it were the cats but all that is fixed now. I felt the power was still there but the noise was so scare that I slowed down and pulled over. Fits Forester, Legacy, WRX Differential If you???re hearing gear whine, clunking, or bearing noise From your Rear differential, it may be necessary to remove it and have it rebuilt. It's not a wheel bearing as i've had that done the other week and that sound is different and that sound has gone. Doc 2003 WRX Sedan PE1818F Turbo Subaru WRX Forum. The rear diff is hard on oil. and the cat converter is in great shape too so its not really a problem per say but it makes that noise and I had this noise also confirmed by Subaru techs. 1 Link to comment Sounds like you’re in need of a full front diff/rear diff/transfer case fluid change. Rather, it has a multi-plate transfer clutch (as in the cutaway above) that connects the output of the transmission to The main difference being the Phase 1 transmission uses a sealed/welded viscous that cannot be opened. 2004 Subaru Impreza WRX STi - WR Blue/Gold wheels 60 Grinding noise in 02 wrx. My car has been making a very obvious whining noise when I go past 2100 rpms in 2nd gear and up. A knocking noise whilst driving your Subaru, especially at low speeds is unfortunately fairly common for the Impreza models and can be extremely annoying and frustrating to find the cause. '04 Porsche 911 Turbo GT2 clone 600 HP/TQ '77 F-150 heavily modded for off-roading. Drivetrain, Transmission and Gear Box Sti R180 swap Information on conversion hybrid axles cons cost(~$800 pair) conflicting reports of reliability and noise "You can tell that the 6MT rear shafts are shorter due to the R180 diff being wider. Pretty much stock. A 2. Ok here's the problem. bushings will reduce the amount of torque twist which enables the vehicle to get the power down quicker all without the noise and vibration associated with harder mounts. The KB bolts are well made and a Alright, I just got back from my driveshaft shop. It will get noisier until something breaks, which could be a long time. My new to me 2015 Crosstrek started making this noise while turning. The noise usually happens when driving over 50 kph. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our Most Subarus are all-wheel drive, which means there are two differentials that can cause noise problems. Description: Center Differential. MANUAL - if the tires are fine then change the diff fluid and transmission gear oil. 9. The STi also uses the beefier R180 rear diff, and the wrx uses the R160. The noise may make a high frequency "Hoo" (Harmonic) noise and is most noticeable with little to no throttle application (coasting or Shop 2015 Subaru WRX Drive Axle. WRX Tech Forums. Whiteline rear subframe bushing inserts. i love it and it was actually parked 3 years while i lived abroad. I haven't added any LSD additive or changed the fluid ever since I got it done at the shop, and the only noise I hear coming from the back is the infamous strut clunk that most every subie owner is familiar with. I'm not the authority on everything Alright so i bought my 04 STi back in early 07. Mine only does it at 63 mph. It was most noticeable from outside the car and at the rear. I’ll walk you through everything you need to know to properly diagnose rear One is the famous whirring noise from CVT and the other the Diff noise. Differential If youre hearing gear Action, Allows, Axles - OEM Subaru Part # 27011AB221 (27011AB100, 27011AB220) My car has the noise also. I have changed the rear diff oil as the diff is cracked and leaks a bit so I thought it might be low, it changed nothing. My XT has had the rear diff whine since it was basically new, and now has 107k miles with no actual failure of the original differential. The symptoms are: Whirring/grinding noise when I let off the gas or apply the brakes Noise stops as soon as i touch the gas pedal Happens at all speeds Noise is speed related, ie as the car slows down the noise also changes The issue was to do with a seized U-Joint at the end of the tailshaft (the part that connects to the rear diff). 4. I'm not 100% on the WRX, so someone that has a better response please jump in and correct me. i'd also change the rear diff fluid as the fluid costs a couple dollars. I recently bought an 03 WRX. I changed diff fluid to liqui moly, but no change. Strictly speaking, E-Diffs (brake-based torque vectoring) perform better than "real" diffs in a traction/steering sense - but they do make it harder to drift on dry pavement if At last a 6-speed STI box for your WRX, Forester or Liberty. Kirt The R180 in my STi swapped Saabaru Wagon making awful noises. Newbie Forum. Putting new fluid in the rear differential didn't help solve the problem. . Here's a pretty good option, and the thread (along with the list of Subaru Differentials floating around Car in question is a 2001 Subaru Legacy sedan with 140k miles. Fits WRX Differential If you’re hearing gear whine, clunking, or bearing noise from your rear differential, it may be necessary to remove it and have it rebuilt. Josh's 07 wrx makes a whining noise from the gears and he says it sounds like a supercharger whining most of the time. A few hours after I parked my Premium in the garage my wife said she heard a noise in the garage. 2009 WRX 5-door - Cobb catted DP/SPT CBE/Andy's OS tune/Process West TMIC/GT Spec EL header/Devil's Own DVC-30 Meth Injection/AEM CAI/STI Short Shifter/Group N tranny & motor mounts/2011 STI springs & Konis/22 & 22 sways No experience with Legacies yet, but in a late 80's GL tired diff bearings can let the ring-and-pinion create a whine that sounds like gear whine (duh!), just a little forward of where you would normally hear tranny gear whine. The stock differential has a rather mild rate at which it can respond to wheel slip, and send power to the front or the rear depending on conditions (4kg of force per 100 It changes the torque split between the front and rear via the user's setting (its a passive system). Things I tried: Open and close the rear hatch: no impact Apply parking break: no change Noise from inside the car was much quieter. I went to drive it out of the way and it didn't move. This is the differential that requires two different style male axles. 545 final drive ratio. 5PSI. The bushing is held in w/ four bolts, the two outer ones hold the bushing to the cross member, the two inside ones go through the bushing strap and hold the rear diff to the cross member. The noise has gotten noticeably louder over the past 5k miles or so. I checked the disc shield, and it looks like the car was dropped without the tire on it, and bent up the disc shield at some point, but it dosent look like anything is rubbing. I know this is an old thread. Sounds like your spider gears inside the diff are going out or gone. 3. Have our technicians examine your Subaru to determine the best course of action. Save Share Rear diff oil - Inspected fluid level (Prior fill was done at a near level state, backed up onto ramps and re-serviced rear diff. How can I tell if its the bearings in the diff or the axles? Advanced Search Cancel Create thread New Forums More Login / Join I had a clunk sound while shifting, and the harder I drove the car, the louder the clunk would be. Mainly dd with the occasional spirited canyon runs. Stock front axels will work but you When the rear diff fails, one of two things can occur which will let you know it's gone south: Noise: - When driving, you'll be hearing a lot of noise from the rear, especially when going around a corner. In your case I would go with another RS R160 diff if in fact the diff has failed. I went to the dealer the other day and had them take a look at it. How to Tell the Difference Between a Bad Wheel Bearing and Bad Tire. 111. 1:1 conversion on the output shaft which makes the effective final drive 3. DIFFERENTIAL ASSEMBLY-REAR Drive Axle AssemblyDifferential. works good. Have our technicians examine your Subaru to Here is a version 1 viscous LSD. It's just from 1-2-3 and sometimes 4. 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). Front wheel bearings were done within the year. It sounds like the clutch engaging if that makes sense. Rear diff noise means wear has occurred. He said the sound was definitely coming from the rear diff and possibly from the front of the diff. Fits Impreza, Outback, WRX Fits Impreza, Outback, WRX Differential If youre hearing gear whine, clunking, or bearing noise from your rear differential, it may be necessary to remove it and have it rebuilt. It is not a place to buy/sell/trade or spread negativity/hate. Sound increases with speed and is NOT relevant to being in gear or the car being running or not (I can turn the car off and coast and the noise still Noise from the front-rear driveshaft is distinctly different as it spins a bit over 4 times faster, and the 'pitch' of the noise increases 4x over the speed of the vehicle. I've had a slight knocking sound coming from my right rear suspension since the car was new (to me, used '04 with 32k miles) when I go over bumps. for a while i thought it may have been a wheel bearing but i think i ruled that out since the tires dont have any play when i lifted them and rocked them . Have our technicians examine your 2018 Subaru WRX to determine the best course of action. Differential (RR) (Rear, Center). It's a rumble and you know what it means. WRX = no DCCD and weaker differentials. When I took out my drain plug for the rear differential, it was all kinds of fun. 2004~2005MY Impreza WRX Vehicles SUBJECT: Countermeasure to Eliminate Noise from the Rear Differential Area INTRODUCTION A countermeasure has been made to address noise coming from the rear differential area. It only happens at low speeds when turning into parking spots and such. I personally like the turn in concepts rear end kit, but there's plenty of options. " 04 WRX/STI Rear Driveshafts. Yesterday, I took the car to a local shop. Slowbaru Tuned VF43'd 2007 FXT Limited MT. I am experiencing a grinding, rubbing sound, metal sounding, scratch, scratch, scratch, when I am turning the car only. Edited November 17, 2016 by grossgary. I changed the rear differential fluid. steering rack, one or more wheel bearings, the rear differential assembly and even the gearbox assembly, without fixing the initial problem. It is awful. My '02 developed a whine/growl, and it turns out that it's the transfer case extension. There is more about this in the gear ratio thread linked to in one of the stickies at the top of the forum. Newer Generations of Subaru discussion ; 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX ; Rear Differential Interchange Registrations. Please note the 4 spider gears Shop 2004 Subaru WRX Drive Axle. From 1999 up to 2014, the Subaru 5MT used a viscous center differential to transfer power between the front and rear wheels. The transmission is a 5MT and still shifts smoothly. Sound is coming from the center differential area. We invite you to join our Subaru Impreza WRX and STi community to discuss engine mods, builds, detailing, and more. 9K views 16 replies rear diff inserts. 44 rear diff from an 01 outback auto trans car it will be both a repair and an upgrade. This Fits Your 2002 Subaru WRX (205) 5MT 4WD SEDAN Part Number: rear diff and rear axels. There's a loud woomp woomp woomp noise audible inside the car, and is definitely something in the rear. The rear wheel bearings and the center diff bearings on my car went within 1500 miles of each other. 3 worn tires and one brand new one because of a blowout. 2M posts 155K members If you close your window 50%, it doesn't lessen the noise much. Sounds like a classic example of Subaru AWD "torque bind". The done side to firmer bushings- whether drivetrain or suspension, is they are usually accompanied by more NVH (noise,vibration,harshness). I jacked my car up to flush all the break in fluid and break in metals out of my rear diff this morning, but my rear diff doesn't look like the 15-19 differentials (just got my 13mm square socket in the mail too). It sounded a little like a small motor. All Activity; Home ; Newer Generations of Subaru discussion ; 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX ; rear diff leak /r/WRX is a place for Subaru fanatics to show off their rides, discuss modifications, mechanical issues, industry news, and more. Either way, look into getting some new diff bushings. But, when you close the window all the way you complete the seal and it makes a huge difference. 330K posts 39K members Since 2002 We're a forum community dedicated to the Subaru WRX. The noise starts at about 20mph. I was driving on a uphill on 3rd gear and the noise started when I changed to 2nd gear. In 2008, the rear LSD was removed in favor of Subaru's It's a 2007 WRX STi with about 25000 mile. 91 final drive. The most critical inspection point for a Subaru is where the axles go into the transmission. Reactions: Dixon cider and Sounds like Torque Bind. 3 impreza/crosstrek rear differential assembly r&r b372-001 1. Differential If youre hearing gear Action, Allows, Axles - OEM Subaru Part # 27011AB221 (27011AB100, 27011AB220) So my car has had this whinning noise now for a lil and its gettting annoying . This made me think one or more limited slip differentials is going. In this video, I change the oil in the rear differential in my 04 WRX. Back in 2004 the WRX's had the same issue and TSB issued. 3 important reminders: Rear differential mount bushings replace the bushings between the rear differential and the rear differential mount to help reduce the "clunk" sound of the rear differential hitting the subframe during launches and shifts under high load. Compare this horrendous amount of motor noise I have and see if I can pick out any driveline noise in a different DIFFERENTIAL ASSEMBLY-REAR Drive Axle AssemblyDifferential. another thing it But people often misdiagnose rear differential noises, leading to a panic-inducing headache until the repair shop tells you what’s really going on. If it's notably center/back, it's something else. It is a 2002 Subaru wrx wagon. No, they're open diff front and rear, viscous center. I am currently parting out a 90 Legacy with a manual tranny. Dino '06 FXT VF39 ProTuned @ 21. Theres a 1. Differential If youre hearing gear whine Action, Allows, Axles - OEM Subaru Part # 27011AB270 If youre hearing gear whine, clunking, or bearing noise from your rear differential, it may be necessary to remove it and have it rebuilt. The problem actually got worse and turned into some serious vibrating occurring in the back of the car. It required a whole new tailshaft since the u-joints are riveted in and can't be taken apart and put back together. I am familiar with torque bind and the issue we have with it sometimes, have experienced it before, but never to this extent or as constant. The rear diff whine is a pretty common problem on the Forester, particularly the 03-05 ones. Also a WRX diff will not work because all WRX diffs are Replaced rear diff at about 180K with a used one with 50K miles. It could start out by it having a lot of whining, with it continuing to get louder over time. I have recently replaced the ring and pinion gears on the front diff and a bearing kit on the driveshat to rear diff. When AWD cars start binding in turns, that’s usually the fix. if you end up needing transfer clutches for an automatic trans, buy a used set and have a place install them. That's the main difference. 1 or 2 bearings DIFFERENTIAL ASSEMBLY-REAR Drive Axle AssemblyDifferential. . The "final drive" is 3. You’re looking to change your The noise as you describe it sounds more like a bad wheel bearing to me, but if it's gear/rpm dependent and happens on light accel or coasting then it may be the rear diff. I do think it is a differential noise, but now I got to take it to another dealer because the original dealer that tried to fix it is being crappy. The tech was saying that it might be a barring going out, he also said it might be my race spec 4. Thanks This night i blown my rear diffwas coming back home after a refuel and pushed 1 hard and the "beautiful" noise came upas far as i know the rear diff is very weak on 06-07 wrx and forester (a friend of mine got a 04 sti and a 06 foresterhe blown rear diff twice at forester in 5000km and the gearbox once and he's stock) another friend of mine with a '06 wrx (some Newer Generations of Subaru discussion ; 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX "Whine" noise coming from 2002 Forester Registrations "Whine" noise coming from 2002 Forester. I can hear the drive shaft flopping around but the car just sits there. Device connecting Drive Shaft to Axle Shafts that allows for varied speeds of Wheel rotation. Not like my Acura, which is the SH-AWD diff engaging, but is clutch packs, which makes sense. I am not applying the brakes while turning just in case you think the noise is coming from the brakes. It will have a limited slip rear if it is an earlier WRX, but not if it a later WRX. Have our technicians examine your Subaru to determine If you remove the rear diff on a manual car it may not move at all. that's when it makes the most noise, if I set it to "green" all the way down it makes less noise. Today I noticed a whining noise coming from the rear. Come join the discussion on performance modifications, accessories, turbo upgrades I have a 1997 Subaru Legacy Outback Wagon AWD with 110,000 miles. This is normal on the STi's tight suspension. Welcome to the North American Subaru Impreza Owners Club: Wednesday December 4, 2024: Home: Forums: Images: WikiNASIOC: Products: Store: the noise comes back loud and vibrating. 2M posts 155K subaru rear diffs almost never fail. If it is a WRX and not an STi variant it has open front and middle diffs. It definately sounds like rear-diff howl. Wheel bearings tend to just rumble-to-growl or maybe moan. Car is dead quiet at start up and is quiet for the first about 10 miles of driving, then sound gradually comes in. If the owner has not serviced the differentials, wear can occur to the ring and pinion. rear diff. the unerving part of this is "sound like i never heard of" When the differntial starts to go bad, it makes an amazingly loud sound that gets loder with road speed. it could be a rear wheel bearing, but in the collective 600K miles of 4 differnt subarus, I never had a rear wheel bearing go bad. By Souperoo, February 16, 2018 in 1990 to Present Legacy is there a front to rear differential in addition to the front and rear The rear LSD shouldn't make any noise when it transfers power side-to-side. Differential (RR). Can you tell whether the noise is coming from the front, center, or rear of the car? Try this: Get 3 buddies to go for a drive with you. There were TSB's, etc. It's the rear diff. 5-liter "boxer" flat-4 engine is heading your way, and it's The 20kg STi center diff will fit the 08+ 5 spd, but all GR chassis WRX have an open rear diff so I'm not sure how much fun it would be to have. Differential If youre hearing gear Action, Allows, Axles - OEM Subaru Part # 27011AB161 (27011AA750, 27011AB160) It's probably the rear wheel bearings if you're hearing a humming noise. My 02 wrx has almos 200k on it and unless you keep up on tire rotations/diff services you will have this issue even under 100k. I didnt have to change the rear diff as the gearbox i got was a direct fit with the correct ratios. The center diff bearings are not too bad to On the way up to ski at Alta last Saturday, my 05 Outback 2. 09 WRX Sedan: Custom Stg 1 tune, custom intake, straight pipe axle back, TiC Super Shifter Kit, Pitch Stop, DIY Solid Trans Mount, Rear Diff/Subframe Inserts Save Share I took it back to the dealer and they were rude to say the least -"cars just make noise. I was lookin at gettin Redline MT90 but I read thats its only a GL-4 and Subaru reccomends GL-5. Drain the rear diff and transmission to look for metal chunks. The magnet on the plug didn't have any metal attached to it. You can look into sound skins for the doors. This is a symptom of a bad center differential in the transmission. 8 kca25 differential noise testing & diagnosis c363-001 0. I know the center diff is viscous, so not sure what noises would come from that when engaging the clutch. I bought a 2014 STI LE new and shortly after had about $2-3k of audio equipment installed (Kenwood and Alpine including subwoofer and a great 500W amp), and had the installer do Dynamat (in the doors and floor), as the car was extremely noisy the noise at speeds above 30 mph and with any road roughness were still excessive, so gradually I did several other things - The noises with shifting do occur, but they are typical MT sounds that can be reproduced even with car off. Drive your car at the slowest speed it takes to reproduce the humming noise. Apparently this was the cause of the problem, and the tech said symptoms matched. Anyways, checked all the fluid levels (including the rear diff making sure it was full) all seemed normal and full. I checked and everything was secure, took out the spare and no go!!!! The 2002-2007 USDM WRX received a VCU rear LSD, while the JDM WRX received a Torsen rear LSD until 2001, when the Torsen was removed in favor of a VCU. Within the last few hundred miles, I have been noticing a metallic rattle/clatter noise when lightly accelerating at lower RPMs (2000-3000). 2002 Subaru WRX E85 Stage 4 est 330 AWHP 350 AWTQ skid plates, diff guards, etc. (subaru LSD oil) in a 02-07 wrx rear diff? im running it in mine for +12k miles. 2015 Subaru Shop 2002 Subaru WRX Differential. He put the car on jacks and ran the car. I have been getting a repeating grinding noise that increases frequency at higher engine speed. I bought a used one from a vendor who tested it and said it was in perfect working condition. How many miles? It could be something as simple as a bit of wheel-hop due to a bad strut. In reverse, shifting from 1st to 2nd, sometimes even 2nd to 3rd and 4th to 5th (very very faintly), and even going over the small (higher speed) speed bumps. CVT has a different mechanism than Manual You ignored my questions and diagnosis. Oh, it started right after I changed the rear diff fluid, and boy was is cursing the car lot for putting in 140W oil to quiet a bad diff. 545. It seems to go away if I am harder on the throttle and come back when I coast. I've looked on that Cobb site with all the oils. My 02 wrx has almos 200k on it and unless you keep up on tire rotations/diff services you will have this issue Does your rear diff have any fluid leaking from around the drain plug? Maybe you have a slow leak and it's low enough that the gears are exposed in there and are making all It is a problem with the DCCD being too tight in Auto or any Manual setting that is above "Full Open" (the green light will be all the way at the bottom in full open). TiC Super Shifter Kit, Pitch Stop, DIY Solid Trans Mount, Rear Diff/Subframe Inserts. The unit in the center of the picture is not a mechanical unit; instead, it houses the viscous fluid and plates. Now I'm starting to suspect my tires though. https://yo Thanks to those of you assisting me in diagnosing a rear end noise in my 1999 Outback Wagon. If the rubbing/scraping noise is occurring, gently stepping on the brakes stops the noise. I thought I had it figured out but ran into a hurdle. Does not think it could be a bearing and noted the sound level of the gearbox / transmission noise. I just noticed the problem yesterday night. com Subaru forum. I did purchase a new rear diff from a local dealership, but the noise didn't go away after the replacement. 11 in a RS and a STI diff is a 3. The noise also occurs just the same whether I'm going straight or turning. Have our technicians examine your 2002 Subaru WRX to determine the best course of action. Only because it’s not meant for hypoid gears in differentials, idk if the wrx front differential has those gears but it shares oil with the transmission so that’s what I was wondering. It's a 5 speed, 195,000kms, never had axles or fluids serviced. It has a stage one clutch and light weight fly that were all on the car when i bought it. We’re the best Subaru Forester Owners Forum to talk about the best years of the 2004 WRX Rear Differential Sound - NASIOC 2. I also noticed a faint oily smell right after stopping. Fits Impreza, Outback, WRX Differential If youre hearing gear whine, clunking, or bearing noise from your rear differential, it may be necessary to remove it and have it rebuilt. i went to hope depot and bought a 2 foot pipe to try and The reason it's intermittent is that crossframe handles the torque on the diff. The rear diff should be supported (floor jack) as you will have to raise/lower several times to ease the bolts/studs removal. 00 Newer Generations of Subaru discussion ; 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX Outback, Forester, Baja, WRX&WrxSTI, SVX ; Forester rear end noise Forester rear end noise. -Does the fact it makes the noise with the clutch pressed in rule out the centre diff/viscous coupling? No, the rear wheels are still driving the centre diff even with the clutch in. Subaru COBB Subaru Rear Differential Pinion Crossmember Mount Bushing WRX 2008-2021, WRX STI 2008-2021, Type RA 2018, S209 2019, Forester XT 2009-2018 Hey, I have a 2002 wrx sedan with an 08 lgt gearset. LinkMy 04 WRX Playlist (linked below) will be updated with any future videos. sounds like it is coming from the seal on the shock shaft. The fluid was dark but no sign of metal shards. Below about 20 mph it disappears entirely, and above 65 it gets less noticeable. This noise is outside the cabin. Start looking for a new/used diff before it's too late and it seizes up on you! You won't be able to drive it after that point. Yeah, I put the diff on my stomach, put both axles in (not pushed in all the way) hip thrust it up to get the two rear studs in their bushings, put a nut on those studs to prevent it from slipping out (a second person does make that part a lot easier), push up the narrow end and start those bolts, tighten those nuts (2 x studs and 4 x narrow section), then I finally push the axles Genuine Subaru Part # 27011AB151 - Drive Axle. Legacies might have better sound insulation than my GL/GL-10s, so you may not be able to localize the noise as well. Come join the discussion about performance, turbos When I make a hard right hand turn, there sounds like a grinding noise comming from the pass. Drive Axle (Rear, Center). 02-07 WRX Rear Diff Compatibility Transmission (AT/MT) & Driveline. I've hit 36000 in the WRX and I want to change the tranny fluid and diffrerential fluid. Wiggle the steering wheel back and forth. Subaru WRX Parts Review. puwss pxjrvnr jnwn nvgs uncfbrv wwwlgd wvwp srnl urdw msaj