I went back to my vehicle manual for ideas and just to read up and I found a section in the Oil Levels section called “Front Differential Gear Oil (Automatic)”, and “Rear Differential Gear Oil ( AWD)”. I am now looking at $4000 in Jan 11, 2016 · To check for a leak, follow the drive shaft to the rear axle, then look around the yoke for fresh oil. " The Nissan Xterra 4x4 does not have a locking rear differential, but the Xterra Pro4-X does have a locking rear differential. Cracks in seals and gaskets can also allow dirt and grime to enter the housing, which can cause internal damage also. Crypto I have a 2018 Nissan Rogue S AWD and recently got a state inspection done. Typically, the main cause of rear differential fluid leakage is damaged seals. Jun 17, 2022 · The rear differential can suffer costly damage if it progresses to a serious leak where the gears do not have ample lubrication. If you see any signs of fluid leaking, definitely have it changed soon as you do not know how long it has been leaking. The plug on my 2nd gen seized up and caused pressure within, causing the fluid to leak from seals. No sensors or check engine lights will catch this issue. Do you think my mechanic is right? That rear diff leak is super easy and quick to remedy, pop the bolts out, break the cover loose, drain fluid, scrape the old crap off, squirt some rtv on there as a new gasket, then bolt the cover back on and refill. Unfortunately it was still leaking, but evidently not from the axle seals. I understand how a locking rear differential works, but I just wanted to get some feedback from some of you who really know what it is to off road. So $425 Total. Drained the differential fluid and there was hardly any in there. The friction material could break off from the brake shoe and bind up inside the rotor. I did get my rear differential fluid changed in October 2020 by a mechanic friend (he did the front transfer case and transmission fluid as well). I say possible, because I let my wife's cousin park her car in my spot for a few days, and it could've been her car leaking stuff. I just noticed my driveway has a couple of spots and the fluid smells bad. Feb 10, 2024 · That does not look like a serious oil leak at all. I am really low on cash right now so they recommended I just get it topped off every oil change. If the lock ring is still attached to the inner axle joint then might be able to get just the lock ring from Subaru. If anyone could possibly provide a link to the seal that would be much appreciated. and remember to please post the year/make/model of the vehicle you are working on. So I started thinking oil levels maybe, but I got a n oil change recently. Most often, it’s a rear differential repair that’s needed as opposed to a front differential. This past weekend I noticed a small leak coming from the rear differential. So he needed the whole diff. They noticed a slight oil leak coming out of the LEFT REAR side of the rear differential. Dec 20, 2022 · Symptoms of a Rear Differential Leak. Usually a bad or failing differential gasket will produce a few symptoms that can alert the driver of a potential problem that should be serviced. (See here). Based on the size of the oil spot there though I’d guess you’ve leaked less than a thimble full of oil and isn’t really a concern. However the Pro4-X is significantly more expensive. Keep an eye on the rear differential breather plug. Differential fluid typically lasts a long time. It’s part of the rear differential that’s most commonly damaged and is generally made from cork, rubber, or an oil-resistant silicone sealing the differential housing. This model has 80W-90 or 75W-140 Gear Oil in the rear differential that when driving flows to the axle bearings and locking collar ring holding the bearing on axle shaft. Leak rear differential seal for 3053$ 😟 Just got this as recommend service for my 2017 530i There is no oil leak or anything dripping on floor. Remove and discard the rear differential vent cap from the rear drive unit cover. Rear differential leak I took my truck into a shop to rearch and add a leaf to my leaf springs. Probably on the high end of the price spectrum. But more noticeable up hill. So, if you have ever wondered thinking what are the signs of a bad rear differential, sit tight and have a 5 minutes read. If it's not there and you can't see it then you should pull the differential cover and drain it/ pick out any chunks and reseal and refill the rear differential if the diff looks okay. In addition to this, I would have to pay 140 bucks for them to tow it inside (because the wheels won't move) and then when replacing the rear differential you also have to replace the brakes (including drums, pads, etc). The differential had a ton of gunk and oil around it. It’s just a slight seep, just check the level and keep an eye on it in case it gets any worse I had to drive through this part of the street that had some sorta high water. I would visually inspect it first. There was obviously a seal leak. All fine. I doubt that "leak" has any bearing at all on the sound you are hearing. Somebody told me "its probably just the pinion seal. So I replaced them, while I was rebuilding my Trac-Lok. i own all the tools, you would need to borrow or rent some. It was quick but reading online people are saying if you drive through high water that it could maybe get water in the rear differential. Like every other mechanical component, a failing or bad rear differential will develop some symptoms to notify the driver of a problem. Difference Between Leaking and Seeping Fluid from a Rear Axle or Differential Seal 1999 Ford Ranger Rear Differential Leak and No Wheel Rotation after 4x4 changes, revving, and wheel spinning - how bad have I messed up? So lots of snow here over the weekend and I am probably now having serious issues with my ranger's drive train. The gasket is formed under the wider end of the differential red. One was the transmission coolant and another the shop said was the rear differential. In this blog post, we’ll outline the different types of rear differentials and discuss the symptoms of each. . Bought Amsoil SG 75W-90. 2. Business, Economics, and Finance. My differential also has an e locker that bolts to driver side axle housing near the top of the clamshell assembly. Do not ask questions or provide answers pertaining to anything that is illegal, unethical, or If tightening doesn’t work you can put a little RTV on the threads or do it correctly and replace the copper crush washer. A bad rear differential can cause a lot of different issues, and it’s crucial that you get it fixed as soon as possible. This post reviews a simple process for checking the rear differential for a differential leak, pinion seal leak, or axle seal leak, and how to stop and fix it if the rear end is lea Dec 30, 2015 · An axle seal is the part of the vehicle that connects the axle to the rear differential, or the transmission. the first recommendation is immediately get the proper gear oil for this vehicle and fill up that rear end. Rule 4 - No Illegal, Unethical, or Dangerous Questions or Answers. Do not ask questions or provide answers pertaining to anything that is illegal, unethical, or dangerous. If it's my car, I didn't notice it right away. As the mechanic was returning the vehicle he noted that my rear differential seems to be leaking and running low on fluids so he filled it back up. Has anyone had this kind of situation happen? Possible Differential leak This is a buddies 85, he’s said that he is having issue reversing up a steep driveway and that he heard a loud pop from the back. . Aug 6, 2013 · Front is leaking at the driver side axle seal (was replaced around a year ago but mechanic says the front axle is rusted and thus not getting a good seal) and the rear is leaking at the pinion seal (may be original seal. Its just not leaking on the outer side of the seal but on the inner portion. I already spent like a lot of money fixing it up. ive done rebuilds in gravel drive ways before. if its a seal leak probably the pinion seal which requires a few tools to remove the driveshaft and yoke, and you'll need some means to get the old seal out and a way to drive the new one in. The purpose of the axle seal is to keep transmission fluid from leaking. Straight to the point is this gonna break my wallet. They said it would be over $1000 to replace the whole differential system. Depending on the size of the leak, it may be okay to drive with a leaking axle seal, but not for very long. Jun 12, 2012 · Depending on the size of the leak, it should be ok for a short while. Symptoms of a bad rear differential. Went underneath and everything looked fine. Jokes are fine to include, but your post should be asking a serious question and replies should contribute to the discussion. This type of leak usually happens when a differential mechanical seal fails. My mechanic checked the level said it was full and told me not to replace the seal until it starts dripping when parked. After closer looking I saw fluid coming out of the connection between the driveshaft and the rear diff. Feb 7, 2009 · It doesn't leak! The key was using Right Stuff--I actually sealed everything with Hylomar and Permatex first, it leaked, took everything apart and resealed with Right Stuff, no leaks. The fluid will likely have a distinct odor, which can help you identify it as differential fluid. Install a new rear differential vent Ok, after getting my 4x4 to work, I discovered another problem with this piece of &^%*&(^#)_# explorer. Dec 6, 2010 · Just dropped my Nitro off at the shop because of a serious leak coming from the rear differential. To me that looks like the signs of a slow fluid leak. The mechanics say the rear differential needs to be replaced. PLEASE REPORT ANY RULE-BREAKING I have a 2016 MX5 with 26000 miles that just had a severe explosive failure of the rear differential. PLEASE REPORT ANY RULE-BREAKING I replaced the clamshell assembly last February due to a high pitched whine coming from the rear diff. After talking to a buddy he said, "it might be your transfer case or differential". Very well could be a diff leak. Read the room. A rear differential leak is a serious issue that can cause extensive damage to your vehicle. SERVICE PROCEDURE 1. If you notice fluid leaking from the bottom of your car, it may indicate a problem with your rear differential. If you notice fresh oil, you have a pinion seal leak. Knowing the symptoms and signs of this type of leak will help you quickly identify and address the issue. Rear Differential Leaking? Is my rear differential leaking or is this normal? If it is leaking and needs to be replaced, is a preformed gasket same as, better, or worse than RTV? Nov 18, 2022 · If axle fluid is leaking onto the brake shoes, it it could also loosen the adhesive keeping the shoes together. Pinion seal would be where the propshaft enters the diff, at the front. I saw one person post about how it can be checked without having to replace the fluid. Therefore, it could be super low on fluid, you do not want to seize up the rear-end. There is only a few drips after I have been parked. This article does not apply. Anyhow, now I'm motivated to fix the rear differential leak so I won't need any drip pans beneath the car. There is no other seal on the pinion side. 8 rear end; if it is leaking on near the center pumpkin area, then it is a pinion seal, or the differential cover gasket. If you read my thread on TS you will have seen that I ended up welding mine. Rule 3 - Serious Questions and Answers Only. You'll have to pull the rear subframe down to get this one as it's a press fit bushing. Inspect the rear drive unit for oil leaking from the rear differential vent cap located on the rear cover. The most common cause of a rear differential pinion seal leak is wear and tear. Later that dayi got a recall notice in the mail. Can anyone help me diagnose the problem and how much it should cost I just recently noticed a rear differential leak in the car. you 'may' need an axle spreader but ive found on danas you can use a towel. The fluid levels were checked in February. That could create a dangerous situation where the wheel has seized. They just called and informed me the cause is a plastic shopping bag got caught in the drive shaft and worked its way into the seal on the differential. 3. As other have mentioned, change it for the peace of mind. If it's leaking from there, then you likely need to do the pinion seal. Be sure to check the vent tube also. Crypto If it’s leaking from a seal then replace the seal. Should be a 3/8 on the bottom (ground facing) part of the sphere, but, first things fist is you remove the FILL plug on the top side of the sphere (so you can make sure you can replace that fluid, its rare, but having a stuck fill plug has happened and if you cant fill the diff back up, you cannot drive. a. Thanks for posting on r/MechanicAdvice!This is just a reminder to review the rules. Crypto We would like to show you a description here but the site won’t allow us. May 2, 2023 · When the gasket fails, it can cause the differential to leak, which may put it at risk of running low on fluid and suffering serious damage. $45 for the rear gear oil. Various signals that a gasket is failing are usually present and shouldn’t be ignored. placed between the ring and pinion, then rotate the drive shaft yolk and allow the towel to get sucked in. He mentioned that I should not drive it no matter what and call him back tomorrow and have it scheduled to replace the seal to prevent a large costly fix. this presses the carrer out of the pumpkin. If the leak is closer to the wheel on the axle tube then it is an axle seal. Do not ask questions or provide answers pertaining to anything that is illegal, unethical, or On my 02 Jeep Grand Cherokee Laredo 4. I am leaking fluid out of the rear differential. This is bmw of Fremont, California I have little to no trust in their recommendations, because they push for some expensive service every time I see them, while back in Canada service recommendations Hello I have a 2005 Subaru Impreza outback and the front differential is leaking and dripping onto my exhaust causing it to smoke. How Hey everyone, I noticed a possible leak under the rear of my Countryman. Over time it wore the seal out. The design is a retainer plate that holds seal to axle and bearing. The seal is located on the pointy end of the differential blue. Jan 26, 2024 · A rear differential leak refers to differential fluid leaking from the rear differential housing of a vehicle. It is important to note that the front axle seal leak repair cost differs from the rear axle seal leak repair cost due to the price of the seal and the labor involved in replacing them. Additionally, damage to the differential gasket, pinion seals, and axle side seals can also cause differential fluid leakage. They can’t get the part till next week but I’m due a 300 mile round trip for work before that. Rule 4 - No Illegal, Unethical, or Dangerous Questions or Answers Do not ask questions or provide answers pertaining to anything that is illegal, unethical, or dangerous. Its super simple and cheap. It was a factory defect. Jokes are fine to include, but posts should be asking a serious question and replies should contribute to the discussion. It will only get worse, but it's not an expensive fix, nor does it take much time. ) I have Lucas Engine Oil Treatment and Bars Leaks Rear Main Seal Repairand have also researched a product called AT-205. So I replaced the pinion seal (See here). I can’t exactly tell where on the dif it’s leaking from but It’s somewhere on the backside(it’s not the drain bolt i checked to make sure it was tight, and not from where the half axles go into the diff). I recently went to a shop to get a few leaks checked out. Dealer wanted $75 for the transfer case. If you are here asking about a second opinion (ie "Is the shop trying to fleece me?"), please read through CJM8515's post on the subject. Symptoms to Watch For Rule 3 - Serious Questions and Answers Only. One of those things was a rear differential leak, and quoted repair was about $3000 (I think they wanted to replace the whole differential). The second thing to do is replace the pinion seal at the yoke. Serious Explorations is a Ford Explorer and Ranger Based vehicle Aug 26, 2009 · After crawling under the car, I find that the fluid is actually originating from the area where the drive shaft enters the rear differential, and is just dripping down the back (well, front, I guess) of the diff. if its a diff cover you just need to remove all the bolts, pull the cover off, clean off the silicione/sealant, apply new My driver side rear coil spring is rattling & garage confirmed it’s broken - bloody pothole in the middle lane of the motorway. The front differential has a slight leak, I was able to turn the lower bolt which was oil coated about a little more than 1/4 turn, all the other bolts would not budge. If you ignore the problem, depending on where the leak is you could cause some serious damage to the differential (diff for short) for lack of lubrication. May 8, 2024 · How to Fix: Though technically more of an axle/hub style leak front axle/wheel seal leaks are common, and rather aggravating. But now Anyways, last month I took it a mechanic and I was told that the rear differential needs to be rebuilt and the left lower ball joint needs to be replaced. be ready to catch it. About a year and a half ago I took my Toyota into the dealership for some recall work and when it was returned they gave me a break down of some things that were wrong and quotes. *Enough is enough! Anymore spamming of other peoples post downgrading kia either about "kia boyz" immobilizers, engine failure, or car fires will result in a 30 day ban, and a subsequent violation will result in a permanent ban. But they said it’s probably not too urgent. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. First, I thought that my diff was leaking from the axle seals. I was going to have the work done, but then the mechanic who does the differential rebuilds at the garage left, so they suggested I take it elsewhere. As soon as you notice this, contact the professionals at YourMechanic to have the pinion seal replaced. The weep hole leak on the x1 diff meant there was an internal failure that couldn’t be fixed with a gasket. I checked underneath my car just now. not the most exciting but possible. That’s a ford 8. Confirm where it’s leaking from and see if you can just reseal the leaking spots. Feb 21, 2024 · If you notice a dark, thick fluid leaking from the rear of your car, it could be a sign of a differential leak. Apr 1, 2005 · Hello All, So, I've been having some pretty bad luck with my rear axle lately. Rear diff gasket needs replaced. Dirty Differential Fluid: Another common cause of a rear differential pinion seal leak is dirty differential fluid. Install a new rear differential vent Jan 30, 2024 · The rear differential gasket is the gasket that seals the differential housing. I already bought the seal and am not sure whether to replace it yet. This blog covers a simple process for diagnosing the rear differential for a differential leak, pinion seal leak, or axle seal leak, and how to fix it if the rear is leaking. PLEASE REPORT ANY RULE-BREAKING Rule 3 - Serious Questions and Answers Only. 7L (WJ) with Selec-Trac, 4WD I have a rear axle seal leak. If it is clogged it could cause the pinion seal to leak. Unfortunately, that friend has moved out of state or I would have him take a look at it. Check to see if it’s tight some drain plugs need copper or rubber or even aluminum o rings, you can’t really over fill a rear differential as far as I know the way you check it is taking the fill plug out and sticking your finger in it if it comes out wet then it’s full 2003 trailblazer with 135k miles, new transmission put in at 112k miles. Oct 24, 2023 · A rear differential leak typically happens when differential oil seeps out of the rear differential’s housing. I got an oil change yesterday and was told I have a differential fluid leak from the rear for sure and possibly the front too. If only a light residue is found around the cap, this is normal. Mazda is claiming that if I that they went to them for Maintenance that this would not have happened. Sep 25, 2017 · SERVICE PROCEDURE 1. I also have a growing noise coming from the rear end as I accelerate. Jan 13, 2017 · Hi folks! Hope all is well. Jan 8, 2008 · if the differential is leaking itself, its either a seal leak or diff cover leak. Is this common? I took it in today for service and they replaced the seal. Here are some of the symptoms of a differential About 2 weeks ago I noticed a spot on the driveway under the rear differential. I am also adding the transfer case which I did before I did the rear dif. Typically, it's gonna be your bushings. Might as well go take a look though, you could probably tell from feel/smell if it's differential fluid. I have a rear differential leak coming from the front of the differential about where the driveshaft is and from the backside of the differential. As the differential heats up the air inside expands, so, there needs to be a vent, or the pressure will make one. It took two days but the dealer said they have to replace the rear differential module (????) and there is a turbo oil line leak. Apr 1, 2005 · this may help they do make a dye that you can add to you oil that after acouple of days of driving you can see with a small black lite kit, the source of the leak will show up as lime green and glowing , just as a sugesstion, the dealers to this all the time with engine, trans, powersteering and differential leaks, you can do it too, very easy to do, they make kits for do it yourselfers. Over time, the pinion seal wears and can become dry, cracked, or otherwise damaged, allowing fluid to leak out due to pinion bearing preload. Oct 6, 2019 · Rear Differential Leak Facebook LinkedIn Reddit Pinterest Tumblr WhatsApp Email Share Link. They're made of rubber and Grease/lube packed The rubber part has gone bad, the rear diff fill/drain plugs are below that so it's not gonna be leaking up in that mount. Well he came out to look at it and bam! My right rear wheel is covered in oil and dust. Differential has low fluid Business, Economics, and Finance. Rear differential leak How to tell if my rear differential is leaking from the axle seals or pinon seal? That being said one axle seal does have residue on it where it goes into the differential the other does not. I am trying to replace this seal and wanted to see if anyone has had this happen to them before. Aug 8, 2001 · Where on the differential is it leaking? The pinion seal is located on the front of the diff where the driveline connects to the differential. We’ll also provide tips on how to identify Jan 8, 2023 · Whether it be a “rear differential leak” or a “front differential leak,” if you have a leak, you run the risk of running out of fluid and suffering serious damage. The differential is now leaking on one side where the diff meets the axle housing and next to the pinion seal. So yes, your tip is helpful by applying silicon to the pinion threads but its a crap shoot whether its a permanent fix or not. I just replaced a diff on a 20 X1 that was leaking from a weep hole. Just anecdotal experience but I've noticed leaking fluids tend to spread across the entirety of whatever metal it comes into contact with. Depending upon the vehicle in question, you'll be required to remove the offending wheel seal or gasket with the appropriate tooling. While you can drive with a small leaking axle seal, do not drive with a large leak. Typically speaking most people would use a squeeze out of a tube silicone gasket {permatex black}. $250 for rear diff fluid change from dealer and $350 for both. Do not ask questions or provide answers pertaining to anything that is illegal, unethical, or Apr 29, 2022 · If you notice oil spots underneath the rear end of your car or truck or dirt and debris is accumulating along the undercarriage, you may have a rear differential leak. It’s possible for the rubber in the differential gasket, pinion seals, and side seals to degrade over time. You can assist the bushing by adding a diff brace, that will take some of the load off of it but if you continue to drive it hard it will continue to leak and tear. I couldn't drive anymore either backwards or forwards. Dec 2, 2022 · If you’re driving a car and notice that your rear differential is making a noise, it’s important to take action. I have a 1979 Toyota Land Cruiser fj40. They're called rear differential bushings. The opposite happens when a hot differential is exposed to water. Does anyone know if that relates to that possible eventual recall?? I got the car because it was supposed to be reliable and a good model year for it. How serious is an axle seal leak? Axle seal leak is a serious case. Jan 26, 2009 · I have a 2003 explorer V8 AWD and it is leaking from the rear differential around where the cv axle goes into it. Aug 3, 2021 · If you notice oil spots under the rear of your car or truck or dirt and a greasy film is collecting on the undercarriage, you may have a rear differential leak. He didn't mention anything at the time but obviously things happen when a car is driven.
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