Front differential leak. As a test you could disable the transfer case actuator thereby disabling power to the front differential to see if fluid continues to leak out. Figured an easy fix, that there would be an oil seal at end of axle shaft. I changed the fluid in the rear differential, front differential, and transfer case. I crawled under the front of the truck and found a fair amount of oil splattered across the right/passenger side of the steering rack and differential. Anyhow, after draining I hand tightened plug, then torqued to spec. 4 days at dealer to repair. I shared on Facebook owners group and there appears to be several people that have had this happen. Apr 4, 2016 · Noticed some oil dripping down onto the differential from the pinion on Saturday morning when greasing the front drive shaft fitting. . Possibly overfilled I let some fluid out until right at bottom of fill plug and seal still leaks. $200 independent shop to replace seal only. After further investigation, it appears that the leak is coming from one of the housing bolts. Washed off the bottom side last night then took a closer look today and found a build-up of grime and wetness on the top of the axle Apr 6, 2015 · its definitely leaking out of the diff. May 9, 2024 · On my previous thread I mentioned that I have a leak from my front differential. It has 116,000miles. Check your differential vent before you replace the seals. The causes include damaged components and poor installation. Just a hunch, but could this be the rear main seal leaking? Maybe put some UV dye in the oil to see where it's coming from? It's coming down from the back so if it's coming from up Nov 25, 2013 · I checked our front diff, replaced the side seal, fixed *some* but not all of the leak, and my case was leaking. It looks like the Apr 16, 2010 · My front diff was leaking,as soon as i brought it home from dealer, 0 hrs doing inspection, found it wet, out put shaft seal on transmission was leaking,steering boots was rotted with holes in them. If it's a leak, I will try the axel seal replacements. I finally got around to looking at it and here are some pics of what I found. I have the tailshaft removed but havent tried to go any further. Its primary function is to allow the wheels to rotate at different speeds while providing independent torque to each wheel. First time, 160K (yeah I know, I'm a slacker)The fluid looked brand new. Would that be the pinion seal? Is it a do able project in the garage? Are there. Any ideas on where to start? Thanks, Dave. The reason it was so cheap is that the dealer told the guy that it needed a new front differential. Apr 23, 2009 · My 2004 Jeep Liberty Sport leaks from the front differential housing. Mar 29, 2023 · The differential is next to the transmission housing on front-wheel drives, while on rear-wheel drives, it’s between the rear wheels. It seems to be getting a little worse lately. Haven't replaced the left seal yet. I am assuming the seal needs to be Aug 20, 2020 · The diff is sealed with an anerobic sealant, there is no gasket. And I’m not sure where it comes from and/or why. 5 - 1997 7. Mar 18, 2025 · Explore Mercedes-Benz front differential problems, common issues, owner feedback, and recall information to stay informed. From page 3-33 of the manual, it looks like the whole Mar 10, 2014 · Had a leak here for a while. Does anyone have instructions to replace the seal. No ill effects so far, other than the stains on my garage floor, but still annoying. It's not a flood, but a slow drip. I still have a slight leak and it would be really nice to completely cure the issue. Nov 4, 2021 · These are the main 5 leaking differential symptoms, their causes, and how to fix a damaged front or rear differential. Ive owned two 06s and both have only been the pinion seal. 50,000 miles is a good time to change the transfer case, transmission and front+rear axle fluids. Is there a seal that can be Leaking oil from the front differential: The differential case holds the differential fluid inside the casing. This question pertains to my 2010 Ford F-150 XLT 4x4 with the 4. I used all new washers from this kit on Amazon. Differential Housing Seal Leak. does anybody here have any Dec 24, 2024 · BMW differential leaking? Oceanside Motorsports explains causes, symptoms, and professional repair options. ly/JoinMaxCarGuy In this video we gonna talk about the causes of the front differential leaking and ways to fix the issue. Anyone else notice small leaks after a long drive? Let’s look at several aspects of leaking differential fluid, such as the causes, how to spot it, and more. I know the telltale smell of differential oil. There's a gray colored fluid leaking out between the where the passenger side tube housing bolts to the Mar 27, 2012 · 1994. There isn't a Jeep dealer within 30 miles of where I live (Chattanooga) so I took it to an independent shop to have it looked at. Well, I felt like I'd already cleaned the area well when I'd washed the truck from the last trip, so I decided it was time to take out the CVs and check out the seals and shafts. This didn't Aug 4, 2014 · Ive had the seal replaced twice now. Seems to be coming out where the cv shaft mates with the differential. Become a Sponsor - https://bit. If you have a leak bad enough to spill out hypoid lubrication, fix the leak. Oct 26, 2024 · I have a 92 K2500 and it looks like the output shaft on the front diff is leaking. Taking it in this morning for warranty work on that plus two recalls. I dont know if im comfortable doing that but is that even a concern if i just need to reseal the How do you know if your front diff breather is faulty/clogged or not rather than seeing the leak from the front diff? Can you just keep your front diff breather off for the remainder of the time until you get a new one? Ignoring a front differential seal leak on your Ford F150? Think again. Here's what to expect along with tips to avoid repair Jan 22, 2021 · More likely, however, you have an issue with ether the differential itself, or in the rear driveline forcing the front differential to work “extra. I have never had leaks around the differential covers when changing the diff fluid on my 2005 LJ. If it's a slow leak then toping it off might be fine so long as the drips per time interval don't increase and there is no metal in the oil. May 8, 2024 · In any event, a front differential leak should be addressed and satisfactorily repaired as soon as possible. Was replacing an O2 sensor and noticed there was leakage from the front differential. Today I did an oil and filter change. 5L, 75,000 miles - factory wheels, no modifications. How big of a problem is this? How easy is it to fix? Thanks. Apologies for Jun 8, 2010 · The longer you have this hypoid lube too thick the longer your hypoid gears will become non hypoid in shape. This is Feb 28, 2018 · Front diff still leaks My front diff still leaks after replacing both axle seals. I have always used Black for differentials and black is recommended by Permitex for differential covers. It don’t even have 45,000 miles. They can't get the axle out of the front differential, it's stuck. Dec 10, 2007 · Just noticed a gear oil leak from my front diff (97 unlocked FZJ80) after a 1500 mile round trip, gear oil dripping off the bottom of the differential carrier. Vent still attached and not clogged. You can try and wrestle with it but if you want to make it easier on yourself just pull the steering rack and pull the pan. Jan 8, 2022 · 2009 - 2014 Ford F150 - Leaking front axle seal - This is my first post. Photos were taken while I was behind the driver's side front tire with the camera pointing towards passenger side. Jun 18, 2013 · My main concern would be checking the front diff fluid level and condition before replacing the seal. New silicone seals will Nov 21, 2011 · They are called axle seals. It's not dripping , The following are several potential causes of a leaking front differential. As anyone knows the front differential is in a very tight spot and I don't have a clear view to pinpoint the leak. So is the leak at the axle shaft or from the diff itself? In order to fix you need to pull the oil pan to get it out. When confronted with a front diff leaking, vehicle owners often face a worrisome problem. The leak appears to be a seal after the front drive shaft connects into the housing. 2 with 79k miles/127k km) Initially, the mechanic and I thought the leak is from the driver side axle only. 3L Power Stroke Diesel - Front Differential Leak - Guys, I discovered that most of my front differential fluid is now in a nice puddle on my garage floor. At Apr 18, 2024 · Hello all, Long-term reader first-time poster. May 12, 2018 · Did my front diff fluid change today. Once under warranty and it still seems to leak either where the axle inserts the differential or at the flange. Gaining insight into these possible Sep 6, 2023 · A front diff leak needs to be fixed urgently, as a lack of gear oil lubrication on your car's differentials can cause serious problems. at this point i'm thinking about trading it in. I’m in the middle of this job right now. It definitely looks like engine oil, and it's seeping down the front/passenger side of the front differential. A few weeks ago, I pulled another F-150 out of a snow bank. I've had a guy look at it when they changed the oil and they said it wasn't a big Sep 27, 2017 · Aerostar - Front diff leaking 4wd - All, The front diff is leaking like a sieve, seemingly where the axle tube goes into the diff housing, and I can't see any damage. May 15, 2014 · A couple days ago I noticed about a quarter sized oil spot on the floor of the garage, seems to drop about a quarter size overnight. I believe Jul 6, 2014 · I checked the fluid level in the front diff and still have plenty, so if it is leaking out the front diff seal, it's a very small leak. so I said ok. Aug 13, 2019 · Hey all, Will here. Aug 26, 2010 · I noticed an area around the axle and differential looked like it may have had a small leak for some time but was gumming up with road grime. The only place I think the oil is leaking from is Oct 9, 2022 · To clarify, I need to replace the gasket (part number 43611) in order to stop a gear oil leak coming from between the front axle and differential housing assembly (part number 43110) and the front axle and differential carrier assembly (part number 41110). Mar 23, 2014 · I have a 2005 2. Jan 16, 2023 · Here's a follow-up photo of the leak. He said to replace the axle/differential is a big job as they have to pull it up through the engine bay Oct 3, 2012 · I have a slow oil leak, leaks down on lower ball joint. Going to refill and see how long I can limp along like this. Doing an oil change I noticed what looks like water contaminated gear oil coming from where the front driveshaft meets the front differential. The Apr 29, 2022 · Have you noticed an oil spot at the rear of your car truck? If so, you may have a rear differential leak. Oct 1, 2010 · Front differential has been leaking gear oil from this area (see second picture) and has been slinging grease for quite awhile. Made an appointment to take it to the dealer. Dec 22, 2023 · Maintenance Shop - Front Differential Leaks - 2014 F-150, 4x4, ecoboost 3. Apr 25, 2008 · Sometimes dirt/mud will get in that area and cause the seal to leak, and sometimes a clogged diff vent will cause pressure build up in the front diff, forcing a slight leak at an axle seal. Seems to be leaking from the rear where the driveshaft connects. I researched the forum and decided that the seal might have gone bad and that replacing the seal is fairly involved Apr 22, 2024 · Hey guys, I’ve had this truck running for about a month now and an out of the blue leak on the front differential started happening a few weeks ago, I got around to trying to fix it today, pulled down the differential and resealed the 2 halfs with anaerobic sealant and installed a new pinion Nov 7, 2024 · I have a leak that looks like it is coming from the front differential - starts just in front of the u-joint and is dripping down to the bottom and then onto my driveway. See in pic in red small drip there. Im fairly mechanical but as i dig deeper, im uncertain if i split apart the differential in the middle i'll have to set backlash. Read this article and see how our mechanics diagnose and fix a rear end oil leak. Jan 25, 2017 · I have a 2013 1500, 5. $420 for Mar 24, 2025 · My truck is a 2016 3. May 16, 2010 · So I go out this morning to take a look at my Jeep (and who here doesn't do that) and I notice that the front differential is leaking. But I guess you can't judge condition by appearance. It is on the passenger side and has a couple of hydraulic lines attached to it. Doing so will minimize the risks associated with complete differential failure, at the hands of lubricant starvation. the shop said its the axle seal and he will have to tear apart the entire differential to fix it. Youtube has several videos on replacing the right seal but I couldn't find one for the left seal. Apr 15, 2016 · I have a 2004 ford explorer with a front differential leak its not coming from the differential gasket and I confirmed this by dropping front diff cover scraping old gasket and made a new one with RTV and same as before the leak is coming from the driveshaft seal and its a very slow leak Nov 4, 2022 · I woke up this morning to what I believe is a front diff leak. com Oct 28, 2023 · Continue reading to uncover the specifics of a front differential leak. because it is turning into a huge money pit. How to Fix: The repair involves splitting the differential to access and replace the housing seals. The oil looks like it has flung off the driveshaft onto the bell housing and driver side turbo. Clean and/or replace anything, as necessary. Therefore there is some sort of hub disconnect (or maybe at the diff, but not familiar with that sort of setup) rather than having a live axle where it is connected all the time. 4WD is no longer working either (I don't care about 4wd). In this video, we show Feb 23, 2020 · Front differential leak Discussion in ' Ask An Owner Operator ' started by JohnSmith69, Apr 3, 2023. I have an indy shop that is local to me that has done decent and fairly priced work Jun 17, 2014 · 2004 - 2008 Ford F150 - Front Differential Leak - Alright gents, Front axle, passenger side (where the CV meets the axle) is leaking fluid What kind of seal do I need to replace, anyone know how much time it takes and is there a special tool I need to take it out and replace it? (ford is infamous for that sh*t) I'm May 19, 2010 · While changing my oil today, I noticed the back of my front diff was wet. I am assuming the bearing and seal have gone bad. Sep 1, 2023 · Front differential leaks can be a common problem for many vehicle owners. I grabbed the axle and there was a pretty fair amount of play where it enters the case. Full 2025 guide with symptoms, tools, and expert tips to prevent CV joint and differential damage. I feel like I do it by the book, razor blade & wire brush off the old RTV, then bead new RTV around the pan n leave for 24 hours before refilling Jan 23, 2021 · 1990-2025 Ford Super Duty DANA 50/60 Front Differential Cover Front Diff Cover Ford Dana 50 Early 80's to Current / Dana 60 1999-2023 F250/F350 Mar 19, 2023 · Front Differential Leaking? I have gear oil leaking from the top of the front differential cover. Is that a seal of some type that would be causing the leak? What kind of bill would I be looking at taking it to a May 7, 2021 · 2009 - 2014 Ford F150 - Front differential leak? - Attached three photos of front differential. Mar 20, 2022 · The symptoms of a leaking axle include leakage around the seal, oil on the ground, axle making noise, fluid behind the left wheel, and transmission slipping. 6L. Jun 18, 2012 · My front differential was replaced about 15k miles ago, and the last 5k miles or so seems to have developed a very small leak. 0L, 4x4 Back again! A couple more issues have popped up, but that’s a given with an old truck. Crawled under the truck for an oil change and saw oil leaking down one of the crossmembers and found the rear seal on the front diff leaking. Looks like the seals are in center on each side of jug/differential. This crucial mechanism ensures seamless operation and optimal performance on paved roads and off-road terrains. Several days later, my garage smelled like gear lube and I noticed a puddle underneath the front differential case. 7, 4WD, 39K miles and noticed an oil spot in the driveway recently. Filled it with amsoil ss severe gear 75w90. The cost of a rear end or front end gear set can be costly. Any ideas? Oct 24, 2022 · Just rolled 7,629 miles. I was back under my truck today checking everything out before leaving for Elk hunting. If you have a four-wheel drive vehicle, you’ll have two differentials at the front and the rear. Also Sep 5, 2024 · The average cost for front and rear differential repair or replacement can vary greatly. May 10, 2022 · Need help diagnosing a new leak on my 2015 GC 3. The differential housing seal prevents oil from escaping at the mating surfaces between sections. I replaced my right seal last month, pretty straight forward. The front differential is an integral component of a vehicle’s drivetrain, responsible for distributing power between the front wheels. 0 to change the fuel filter yesterday, I noticed the back of the front diff has a leak. 5EB with 108k miles. I didn't even use 4-wheel drive. Dont usually use MFWD but been pretty wet and we are on hilly ground. If left untreated, these leaks can cause damage to the differential and other parts of the vehicle, resulting in costly repairs. Yesterday I noticed a leak coming from around the front differential on the passenger side towards the passenger wheel. The fluid on the driveway seems to be different Aug 3, 2022 · Took my truck to transmission shop to have CV axle leak fixed. NO, that doesn't look to be the case. Sep 27, 2023 · Took my CX90 Turbo S Premium Plus to the dealer for its first oil change and address pedestrian monitoring recall and was told there was a front differential leak. There are other leaks happening too, but I have the trans and drive Apr 3, 2010 · I just changed my front differential grease or oil and have only had it out 1 time and it is leaking out around the input shaft or drive shaft seal. However, with the right knowledge and tools, fixing a front differential leak can be a relatively straightforward process. I put new cv axles in but that was about 6 months ago and I have never had any issues. It has been a very slow Mar 12, 2011 · Re:JD 2305 Front Differential Leak Hi, Looks like I have the same problem , front input shaft seal leaking after running the machine in MFWD . I've cleaned the oil off the cover but it came back as expected. Apr 13, 2009 · So I posted about a month ago that I was going to buy a 2005 TB for $1500. We’ll help you recognize the early symptoms and root causes of this issue, as well as the best ways to address it. Not only can this issue compromise the overall Aug 6, 2007 · Are there any common places for the front diff on these trucks to leak from? Mine's been leaking ever since I R&R'ed it back in November to pull my oil pan off. What is the best way to fix this? Do I have to split Mar 18, 2025 · What is a Differential and Its Function? A differential is a key component found in the drivetrain of vehicles, including both rear-wheel-drive (RWD) and front-wheel-drive (FWD) configurations a four-wheel drive will have two differentials, one for each axle. 6L 3-valve and 6-speed AT. Dec 15, 2018 · Inspect the CVs at the same time since they are out. There seems to be fluid leaking out (slowly) from where the driveshaft goes into the diff. Looks like the pinion seal went bad. I checked the oil level in the differential and it is fine. I took a local mechanics advice to smear some RTV on the outside of the seal in case there was any scaring on the mating surface. I did a temporary fix 4 months ago, it's still holding. Is your axle seal leaking? Read on to discover the causes, symptoms, and how to fix an axle seal leak. i'v had to do so much work to it and it continues to get more expensive with each repair. Today I got around to taking a look underneath and it looks as though the oil is leaking from the bottom of the front differential. Should there be a gasket between the cover and housing? Mine does not have one. How hard is it to replace this seal or bearing? Anyone experience this or have pics? Read somewhere that you could disconnect cv shaft and wobble the hub out to replace the seal. If it's plugged that could cause them to leak. Took me a while wo get the right seal and bearing and changed the driver side axle seal and Mar 29, 2012 · Front Pinion Leaking - Cause? At about 40k miles I took my truck to the dealer for a recalland they recommended having the Front and Rear differential fluids changed. I need some advice on pulling the front differential. Oct 3, 2023 · I crawled under my car today and inspected the front differential and it looked moist and covered in grease (so was my reinforcement plate) At first I thought it was just engine oil that was dripping from somewhere above and on to the differential, maybe the oil filter housing gasket is leaking? Also, front driveshaft doesn't seem to have any play. Is it because of the possible heat from the engine just above the front axle they used red? Black would work or is red the better choice? In my experience, This is THE BEST way to seal up your leaky differential. ” Normal torque split for the front is only 30%. They said no Jun 28, 2017 · There is some sort of device on my front differential that is leaking. So, if there is an oil leak from your differential, this means you have a problem with the casing seals and casing. I noticed I have a fluid leak where the CV half-shaft mates to the solid axle shaft (see attached photo). Used 75W-90 Mobil 1. Jan 7, 2025 · Front differential is leaking at all seals except the pinion seal. Well, the front diff is wet looking. I tried to determine if it was something was leaking from above but I do not think so. $2,500 part (Under warranty) Seems to be a lot of those happening from what i see online. (03 TB 4. Over time, normal wear and age can cause these seals to leak. Aug 3, 2021 · Hello, Vehicle details: 2002 Mazda B4000 6 Cylinder, 4. Could something gotten up in the seal to make it leak? It just seems odd that it would start leaking after I Jan 15, 2025 · I had the leak, replaced pinion seals twice and last week the front diff grenaded. That small oil drip can turn into a haunting whine—followed by some seriously expensive repairs. Noticing a Dec 18, 2018 · I will try wiping down the front differential today to get the gear oil off, so I can see if it's a leak or not. Just Aug 31, 2020 · While crawling under my 2004 6. Something regarding the steel wheel air bag wire & the Apr 15, 2013 · Seems the 07 and 08s are having more problems with the front diff leaking from the diff case halves. Just sharring here to see if May 18, 2021 · 2015 - 2020 Ford F150 - Front Differential Pinion Seal Leak - TLDR: After fluid exchange I noticed front diff pinion seal leaking. Now about 2 weeks later the front drive shaft / pinion seal is spewing oil/fluid. Use "the right stuff" and the process I show you for 100% guaranteed no leaks in your diff for years! Jan 14, 2021 · Have any of you had or heard of an issue with the front differential leaking? My 2018 Limited with 28k miles needs it's seal replaced already. Jun 29, 2018 · So did oil change on 08 TBSS yesterday and see oil leak by axle front diff thingy. Has anyone else had this problem? Oil from the front differential seems to leak when the car is driven in hot conditions or after driving for a long time or at highway speeds. Jul 17, 2007 · I have a 2000 Outback limited (AWD) with close to 130,000 miles. Is there a purge valve on top of the differential that could be leaking? Feb 21, 2022 · Looking at the present form a gasket on the front diff - it is reddish? 99% sure it is the factory applied. The leak appears to be coming from the front differential (I think?) where the front left axel goes in. 7 4x4 that developed an oil pan leak due to rust. I am guessing they Jan 30, 2022 · With the problem in the front diff, to not have it in 2H says the front drive shaft and axle shafts aren't turning in 2H. May 29, 2025 · Discover how to spot front axle seal leaks and replace them correctly. See full list on motorvehiclehq. After wiping it off with a paper towel, it was blackish brown. #1. Jan 6, 2025 · I have a 2022 F-150 Tremor with the Torsen front differential. rrgw2 f3q shak3 ax20sp daa7iu gyw8 edsu wvo bg4 2wwbc