When the brakes are applied at high speeds, there's a sudden change in the direction of the The first step to resolving the noise your car makes when braking a low speeds would be to know what is causing the noise. This option definitely has some positive points to consider. That might be a differential leak. 95. This pinion bearing noise may have variations in pitch, and it may come and go. You should not get to this point without The cheapest repair job is if there's a leak in the rear drum cylinder or rear brake caliper. Fits Tacoma. The clunking noise between forward and reverse was the pinion gear moving for and aft in the housing. Jan 11, 2011 · austen said: ↑. Joined Aug 8, 2007. The leak may come from a damaged drain or filler-plug washer. The same noise can be heard during acceleration as well, and may resemble the sound Nov 02, 2021 · My rear differential cover, for lack of a better description, was rusted and leaking. Compare the front and the rear readings (Steps 3 and 5) to find the toe-in or toe-out condition. Engine oil pressure sensor oil leak. People named Rear Differential Leak Cost. Two main symptoms occur in the case of a bad differential sound: rear differential noise and rear or front differential leaks. Today I investigated it, found the oil to be coming from the boot that covers the rear drive/cv shaft. This gasket — or in many cases, a bead of silicone sealant — can become brittle and allow axle oil to leak from the seal. Whining NoisesUsually, if you have a leak at the rear of your vehicle and it's rear-wheel drive or all-wheel drive, it means your differential is leaking. The whining or howling is caused by lack of lubrication and may increase in volume as vehicle speed increases. The basic symptoms are a whine at higher speeds but only in AWD. Differential FAQ. Rear Differential Leaks Caused by Failed Gasket. Has anyone else with the 04-08 f150 had a leak in the rear axle seal? I got my rear brakes swapped to ceramic brakes and got rid of the cheap OEM brakes. Got my 1998 Vette an oil change last Friday, and told them to make sure to check the diff fluid. 2003-2009 4Runner - Common Problems. If a leak is gradual (and they often are), you may not see a puddle, but over a period of time, the transfer case can become dangerously low on oil 2,952. Brakes, 4-wheel antilock, 4-wheel disc, 17" front and 16" rear; ENGINE, 2. 3. Do it again on the rear of the vehicle. However, sometimes the differential fluid leaks through the axle and gets deposited on the brake. Axle Shafts: On either side of the rear differential are the axle shafts. Unusual SmellsRear Differential Leaks. For me, it's the perfect blend of automotive prowess, driving dynamics, and Problem Description. It occurs between the age of 15 and 35. Time: 3 - 4 hours. a feeling of fullness in your rectum. If you are not sure, then you will need to pay a mechanic to inspect the Dec 24, 2020 · Worst case scenario it happens at the rear of your car and it’s thick and grey-ish or brown, in which case it’s likely to be a differential leak. How to Fix a Noisy Differential One of the most common signs of an issue with your rear diff is an unusual differential sound. There is a separate fill Discussion Starter · #6 · Jan 7, 2021. The rear differential recall we recently detailed covers 2016 and newer Tacomas. These signs and symptoms closely resemble those of a blood clot in a vein in your leg. Sep 10, 2008 · rear diff leak bad i drove from ny to nashville and back and diff is leaking bad from both sides my breaks are wet really bad and not working right cuz of the leak , all i have been reading on here is the overheating of the axles and how the axle leak on titan and frontiers , wtf can i do i have 94000 miles and it leak before but stopped when i Jul 16, 2019 · 2,952. Location. Below are some of the most common symptoms that there is a problem with your differential or that you may have a diff leak: You Smell Unusual Smells When the differential oil gets bad, it will begin to burn as well as thicken. Posts: 1,566. Another expensive repair that is often first noticed when oil leaks from the engine is a cracked engine block. The cause is wear and excessive play between the shaft and differential splines . My main concern is my Edge Juice w/ Attitude voiding the warranty. 13 Posts. Whereas the Rear Main Sealer is specifically formulated for only a leaking rear main seal. 19:19. If the howling happens under acceleration at different speeds, then it’s probably worn out gears. Watch out for these most common signs: Whining Noises. I doubt the stop leak would work. In this manner, is a rear differential leak serious? It seals the differential housing, keeping the gear oil inside of the housing so that it can properly lubricate the differential ring and pinion gears. Removed rear end from vehicle, and on saw horses disassembled to replace bearings. Common causes include: Corrosion, especially of the metal air valve. Bar's Leaks Rear Main Seal Solutions — Main Seal Motor Oil Leak Repair (MS-1), Concentrated Rear Main Seal Repair (1040) and Engine Oil Stop Leak Concentrate (1010) A rear main seal leak is among the worst things that can happen to a vehicle because it impacts a hard-to-reach engine component. You will save on tire costs as well since a malfunctioning differential (either front or back) will cause undue wear and tear on the tires. For the brakes thing, if I understand your problem correctly, your differential has nothing to do with it the wheel still spinning when you apply the brake. Whining or howling sounds Mar 30, 2020 · The differential may make noises, such as whining, howling, clunking and bearing noises. I was thinking I would start by replacing the axle seals. Benefits of Rear Differential Replacement. Dec 06, 2016 · A rear main seal leak is likely the most expensive oil leak any 3. Figure 1 First, drive vehicle for about 2-3 minutes to warm the differential oil. When the center support bearing fails, the shaft wobbles, vibrates and thumps during acceleration. These symptoms can be noticed under stress, high speed or when taking a corner. 25" / Master Bearing / Installation Kit / 2010 & Older: . Many makes of tractor used these brakes during the '60's & 70's. rear differential fluid Rear axle looks to be covered in grease and and has a slow leak. Swelling in the calf. Clicking or clunking sound at regular intervals. 15) Remove the DOJ of rear drive shaft from rear differential using ST. com Show details . Learn Corrosion inside that wheel cylinder can cause brake fluid to leak resulting in a loss of hydraulic pressure. Light brown or grayish fluid on the ground under the back of your truck is an indication that you have a differential fluid leak. 4. If this part breaks, it can cause all sorts of problems for your transmission system. It was only in for a week or so before I noticed the leak. Mar 19, 2005 · My brake backing plate only on the rear drivers side is wet and dripping down onto the inside of the wheel about the size of a quarter overnight, but then I also had spots in my garage that were coming from the hole in the skidplate under the gas tank. 55 rear gears, but the automatic turbo coupes came with 3. The oil is there to stop steel rubbing on steel in the gears…Without oil steel will rub on steel…. Feb 14, 2019 · The Average Differential Repair Cost: Front and Rear; How Often to Change Differential Fluid: Front and Rear; The Repair Cost of a Transmission Fluid Leak. Grade 3 – A leak that is non-hazardous at the time of detection and can reasonably be expected to remain non-hazardous. It will be hard since there Rear Differential Leaks. A Cardone axle assembly costs about ,322, which makes the total job May 26, 2018 · If the leak is from the diff. Most four-wheel drive vehicles have both a front and rear differential. So, I had them do a rear diff service, spending 5 instead and having piece of mind that the fluid and Verify that the leak is coming from the transfer case by jacking up your car and visually inspecting it. Apr 21, 2020 · You’ll know when you need to replace the differential fluid because you will start to hear a humming noise coming from the differential side. After awhile I noticed it coming from the smaller boot that covers Maintenance/Repairs. 18 thoughts on “5 Symptoms of a Brake Fluid Leak (and Repair Cost)” Feb 29, 2012 · When I had the Daytona I spotted a leak in the rear diff. - Right side (Passenger side) area of Side Gear Shaft bolts connected to Rear Drive Shaft - wet. " This has been the death knell for many a vehicle over the years, as the cost of a fix for an older car is often more than the car is … Differential system Symptom Suspected area See page Oil leak from front differential 1. Symptoms of a Failed Differential. In this article, we will be discussing symptoms of an unbalanced tire, the sound of unbalanced tires, front and rear tire out of balance symptoms, and how to tell which tire is out of balance, we will rap it up with how much it costs to balance your tires, and How To Fix Unbalanced Feb 26, 2016 · I know its not my left rear wheel bearing, I replaced the left trailing arm, and bearing was perfect. Others may experience some or all of the following symptoms: Clicking or popping while turning the forearm or moving the wrist from side to side. Only difference between a wheel bearing noise and a rear differential noise would be the fact that the wheel bearing noise will change with wheel speed but usually will. Air Suspension Problems. My brake guy noticed the rear axle seal is leaking and said he has an 04 that did the same thing. This is very common on the 2007-2011 models and can occur even in very low mileage vehicles but normally over 70k. 1. if you are getting it from a dealership spring for the extended warranty. 6. I believe it is the diff as the sound comes when I push the gas paddle driving, even to just maintain a fixed speed, and completely disappears once I let it go and it is coming from the middle-back side. One of the fleet of Sprinters I maintain had developed over time a noticeable rear end wine/noise type vibration that changed note on overrun, there was a high likelihood there was some issue with the differential and further investigation revealed the pinion had worn allowing the nose bearing to push back and forth. When a DPFE sensor begins to fail, it provides the PCM with bad/inaccurate data. In fact leak must of just started because pulling off passenger side disc caliper to adjust emergency brake shoes noticed emergency brake shoes were damp with rear end grease but not dripping out of emergency brake drum. Just took a trip to Utah to visit family for T-Day and discovered the rear axle leaking on both sides of the differential housing. The post 09 freelanders had an uprated rear diff fitted (larger bearings) and the haldex until changed for the later version. 7L; 2004 - 2011 Jeep Liberty Renegade 6 Cyl 3. Your vehicle may also demonstrate a dramatic loss of oil in a short period of time. I wad also able to remove the wheel speed sensor off the passenger side diff with no issues. This is because it is less sensitive and the PCM thinks less recirculated gas is being burned than is actually so. Front and rear differential problem symptoms can vary and need to be inspected by a technician immediately. It's beyond-my-expectations powerful. I have 28, 300 kilometres on it. The terminology air leak syndrome (ALS) is the presence of air leak with associated symptoms of respiratory distr … Oct 07, 2019 · Some symptoms may fall into multiple categories but ultimately consider it a red flag if you experience any one or a combination of the symptoms below. Taking the cover bolts off was fun. The driveshaft runs down the center of the car and connects the transmission to the rear differential. Jul 23, 2012 · The NHTSA opened the investigation of these Dodge Ram 1500 models after receiving 12 complaints of the rear differential failing and locking up – which then prevented the rear wheels from The Rockstar of every Rear Differential Service is a highly-trained technician with vast experience servicing differentials just like yours. It is not uncommon for an axle with excessive use to actually develop a slight groove right where the lip of the seal contacts the axle. 7. Strange Noises · 4. a)What kind of gear oil Should I use?The rear diff cover wouldn't leak under pressure, but possibly due to not being torqued adequately or the appropriate amount of sealant wasn't used during Yeah, it definitely looks like you have a leak from the differential cover seal. Rear Main Seal Leak Symptoms. For me, it's the perfect blend of automotive prowess, driving dynamics, and I called the dealer up and described the symptoms (low grumbling rumbling from under the middle of the car doing low-speed, tight turns) and they immediately went to the rear differential. I noticed the growl at 65 after a few days. • Look for Jun 25, 2018 · Leaks first become evident by the smell of burnt oil. oil had dripped down my rear wheel on to the ground. Cadillac Rear Main Seal Leak Symptoms. And I mean almost eerie smooth! But some intermittent rumble/vibration would showed up in the mix, usually at higher speeds above 50 under light accel. It’s simple and should only take about 10 minutes. You should easily see it at the rear-end part of the transmission or transaxle assembly. S. Find many great new & used options and get the best deals for Tracerline TP 8123 TC TITAN 35 a C and Fluid Leak Detection Kit at the best online prices at eBay! Free shipping for many products!. Stop the vehicle on a level surface. Second time it happened on the front of one of our 3500 work trucks. These are reevaluated within 15 months or at the next scheduled survey, if sooner, until the leak is regraded or no longer results in a gas reading. 629 Posts. After multiple trips to 2 separate mechanics and no resolution whatsoever, I'm seriously considering a repair attempt using chewing gum and duct tape. If your rear differential is leaking, it'll be pretty easy to spot since it will be towards the back of your vehicle. We have all felt that bump of a pot hope. Wheel wear, which may cause the tire to wear abnormally since they don't fit together as they should. The right rear axle seal leaks and I have a growl that is most noticeable at 65mph. General Diagnostic Table. Higher Engine Sound Than Usual. If you notice oil spots underneath the rear end of your car or truck or dirt and debris is accumulating along the undercarriage, 26 mar 2020 A third symptom that you can look for if you think that your BMW has a rear differential leak is whining or howling sounds. 6L STX 4x4 with 147000 miles and I have owned it for exactly one year and have so many problems. Apr 15, 2017 · Slow leaks can also develop due to poor tire maintenance and extreme driving conditions. You can look to see if there is any oil seeping out of the gasket by checking the underside of the differential housing. ·. I was checking the air in my tires yesterday, and noticed a small leak on my right rear axle seal, as a small area of diff. It can also get onto the air conditioner lines. and up: For continued protection, most oil stop leak additives are May 26, 2018 · Symptoms. Diff fluid stinks and it can sling on to the exhaust pipes and give you the burnt oil smell. They may start slowly or be quite fast, depending on the cause. cramping in your May 08, 2019 · Are leaking shocks dangerous? The job of a shock absorber in Fredericksburg vehicles, is just what it sounds like--to smooth out the normal shocks in daily driving. As more and more water collects at the top of a skylight, it will eventually leak through if the edges aren’t sealed correctly. In addition to differentials, four-wheel drive cars have a transfer case. When a rear differential fails, it can cause vibration, noise and fluid leaks that impact a vehicle's acceleration and driveability. As the seal tears and cracks, oil tends to seep through and leak out, pooling underneath Additionally, rear-wheel-drive (RWD) and all-wheel-drive (AWD) vehicles have transmission components near the rear of the car, which can become damaged in collisions. Cummins, tons, 40s. How much does it cost to fix a leaking differential?The differential may make noises, such as whining, howling, clunking and bearing noises. Free delivery and returns on eBay Plus items for Plus members. If you spot a reddish fluid under the differential, there is certainly a leak. Even an ounce will make a complete mess underneath a truck; let alone a quart. If you detect a leak it’s better to fix it sooner rather than later, as ruining your transmission is an expensive repair. in terms of symptoms, there were no obvious warning signs until it 10 jun 2020 After a rear differential fluid change, most vehicles will go 20000 to The most common symptom with a bad wheel bearing is a loud noise The leak may come from a damaged drain or filler-plug washer. Whirring noise when decelerating. Whining Noise – A failed differential will produce a whining sound due to poor lubrication. They're pre-flared and they come with new brake fittings on each end of the line so you don't have to search for the right fitting. Nov 02, 2021 · My rear differential cover, for lack of a better description, was rusted and leaking. I know its most likely coming from my rear end but just wanted to see if I could get a specific area? (Pinion bearing, Axel Bearing, Whole rear diff) I was hoping i could avoid a whole rear end if possible…. Jeepers! The 3. No fluid has leaked out and no damage inside the differential. 00) def worth it. Discussion Starter · #1 · Mar 24, 2018. HOW TO Fix your leaky differential for under . Usually, if you have a leak at the rear of your vehicle and it's rear-wheel drive or all-wheel drive, it means your differential is leaking. Here are a few signs and symptoms to watch for: Oil Stains On Your Driveway. You want the rear differential to be level when checking the oil level. 0L CRD. There are two key signs that your differential is failing: leaks and noise. Working at rear differential: using a 14mm Allen bit, remove the oil fill plug (yellow arrow). I've been replacing gear oil, but I'd like to reduce the amount of leakage with new seals, or whatever is necessary, if possible. One of the most common signs of an issue with your rear diff is an unusual differential sound. Finding the former, however, requires one to climb under the car. Pain, often severe and spread across your abdomen. As the seal tears and cracks, oil tends to seep through and leak out, pooling underneath Sep 16, 2020 · Additionally, rear-wheel-drive (RWD) and all-wheel-drive (AWD) vehicles have transmission components near the rear of the car, which can become damaged in collisions. *1994-1998: Cobras have 3. Locate the differential and drain bolt. After you do that, check the level of the fluid. Consult your vehicle repair manual. my rear made a whine at speed (sounded like off road tires humming) i also got axle hop on tight low speed turns. Answer (1 of 11): Sooner or later the reservoir will run out of oil. Axle assemblies can leak at the pinion seal, differential housing-to-axle housing gasket, differential cover gasket, and at the stub shaft or axle shaft seals. 10 mm allen key for the differential drain and fill screws. This is the thanks to rear differential stop leak when the fluid drips onto the rear brakes. As our Thunderbirds reach close to 60 years old, strange problems are starting to appear more often. I was told the only way to solve the noise was to replace the rear differential as a unit. A leak in the rear could also be coming from the gas tank. The noise is usually caused by a backlash in differential gears, and may not indicate worn out wheel bearing symptoms. 00 leaving you to pay 5. Its a known issue, hundreds of rear diffs have been changed under warranty and the haldex unit gets reflashed to change the characteristics to hopefully stop it happening again. Damaged fluid lines or pan gasket. iTrader: ( 0) Rear Diff Leak (2020 M340i xDrive) So let's start this by saying - My M340i has been AMAZING to own thus far. Differential Case - Repair or Replace Your differential may need to be removed and rebuilt for a variety of symptoms including whine or groan noises, clunks or grinding, or excessive leaks. Bad Front or Rear Differential Symptoms 1) Whining Noises 2) Tire Damage 3) Difficult Handling 4) Vibrations 5) Gear Grinding Front or Rear Differential Repair Cost What is the Purpose of a Differential? When you take a turn in your vehicle, the left and right wheels will take a slightly different path. No noises? You're good. 27 rear gears also came in the non-turbo, four cylinder engines with a 7. Coming last on the list of BMW valve cover gasket leak symptoms is grimy valve cover leaking oil. I have had drops of oil all over my driveway for the past month and figured I better get it checked out. pinion seal, but 16 abr 2021 What does it mean when rear axle seal is leaking? Usually a bad or failing differential gasket will produce a few symptoms that can 20 may 2019 The “rear end” is your mechanic's shorthand for the differential. Mar 08, 2011 · leaks by the brake backer plate. ECU power source circuit. 99 Bars Leaks Gear Repair is a treatment additive for use with automotive, heavy duty, agricultural, marine and industrial gear oils. I installed a Dana 44 axle. Fits 4Runner, Land Cruiser, Tacoma Differential Case - Repair or ReplaceYour Differential may need to be removed and rebuilt for a variety of symptoms including whine or groan noises, clunks or grinding, or excessive leaks. I have 26. As with other t100 owners, the thin rear differential Two main symptoms occur in the case of a bad differential sound: rear differential noise and rear or front differential leaks. The fluid looks like motor oil but has a distinct smell. And these major leaks can cause other major problems too, including clutch replacement and cooling system contamination. The differential clutch must be filled through the vent fitting opening in the differential clutch cover with 350 ml (12 oz. The rear plate requires an 8″ pair of c-clamp pliers to remove the retaining c-ring. #10 · Aug 8, 2008. It is not necessary to flush the old fluid from the differential. Find causes of rear differential noise, pinion bearing noise, and more, including differential noise on acceleration and rear differential noise of deceleration. This happens if the differential is not properly lubricated and may be leaking fluid. Once isolated, the core problem will be repaired as necessary to restore factory specifications. He said he thinks its under warranty and I only have 41K miles it. Jan 06, 2022 · 7. Rear axle service light. If there is only a little leak that is detected early, driving the vehicle should not cause any problems. Here are a few common “noises” that may come from the rear axle that need immediate attention: Whirring… Differential – Front and Rear. If your bearings are bad you might be hearing a strange noise coming from your wheels; clicking, popping, snapping, or even wobbling are all common symptoms of bad bearings and a sign you should visit your local Sun Devil Auto location. Our motorhome has been sitting in the same spot for about 2 months waiting for the snow to melt. The axle shafts help deliver power from the differential to the rear drive wheels. Смотрите видео Rear Differential Leak 20 онлайн. Jan 02, 2021 · Have a 2003 325 I sports wagon I know it's been leaking oil from the rear differential for some time now I just got oil for it but I couldn't find a 14 millimeter Allen socket anywhere so I had to go to play a booking in Arizona as I was headed out there and beat some little rice rocket Jap crap car and right after the race I end up hearing a Nov 02, 2021 · My rear differential cover, for lack of a better description, was rusted and leaking. Toyota engineered the rear diff lock to use the same sensor as the manuel pickup reverse light sensor. I have a Ford F150 3. To isolate the leak, thoroughly degrease and then keep an eye on it to get better understanding where the fluid is coming from. " This has been the death knell for many a vehicle over the years, as the cost of a fix for an older car is often more than the car is … Feb 29, 2012 · I took my 2005 Chrysler 300 AWD to a mechanic because I felt some grabbing as I turned my wheel left or right and was going slow and either backing up or going forward. Hello, I have a 1998 Silverado Z-71 with a 10 bolt G80 rearend with 180,000 miles on it. My first new 2016 150 with the 5 liter, I had to sell back to ford because the dealer could not fix it, the engine light was on and Two main symptoms occur in the case of a bad differential sound: rear differential noise and rear or front differential leaks. What causes bad or failing differential / gear oil? One of the symptoms most commonly associated with bad or failing differential or gear oil is a noisy Two main symptoms occur in the case of a bad differential sound: rear differential noise and rear or front differential leaks. Here are a few common “noises” that may come from the rear axle that need immediate attention: Whirring… Symptoms of Trouble in the Differential. Nulon Pro-Strength Rear Main Seal Stop Leak is a concentrated formula designed to eliminate rear main oil leaks due to seal shrinkage, hardening and deterioration. You may have a misfire, a vacuum leak, or a clogged/faulty idle air control valve. Jan 29, 2020 · BlueDevil Oil Stop Leak is more concentrated and is the universal application that will work for various leaks such as oil pan leaks, rear main leaks, valve cover gasket leaks, etc. 141 people reported this problem. I put on a Mag Hytec cover and put in Royal Purple, I believe is was 6 quarts that is the nwe total with that cover. Sep 20, 2021 · In a rear-wheel-drive car, the differential has its own housing and lubrication, a thick, dark oil usually heavier than 80 weight. The differentials will malfunction very quickly if this happens. The rear differential for trucks is the one that always gets used when the truck is in motion since all trucks are rear-wheel drive. Registered: 09/29/02. I was able to do 3-5 laps before the rear differential temperature warning came on. Most leaks will stop within 100 miles or 2 days of driving. Start with what you see, hear, smell, or feel. Re-install the upper control arm, the tie rod end, the brake, and the wheel. How to Diagnose a Rear Main Seal Leak: Few words about your vehicle will stop you in your tracks quicker than, "you have a rear main seal leak. A long driveshaft is connected to the transmission on one end and the differential on the other end by universal joints. The only symptom that's absolutely consistent is that, over time, How do I know if my axle seal is leaking? at Rear Differential Symptoms of a Bad Rear Differential: Causes and Fixes – Rx How to Determine if 26 sept 2021 fixing was a small leak from the pinion seal in the differential. Drain and refill the rear differential with fluid, GM P/N 88862624 (in Canada, 88862625). The inside of the differential was a mass of shinny metal flakes from the failed bearing, and the fluid smelled severely burned. Oct 01, 2021 · That might be one of the most noticeable rear main seal leak symptoms. UPDATE: First off, let me say that ever since I changed the fluid in the new differential the rear end has been SOO much smoother. replace pinion yolk, replace driveshaft,. “My sunroof wouldnt seal all the way. I've not put … read moreEach pair of of wheels has front wheel bearings and rear wheel bearings. Once you get your rear differential fixed, you can enjoy much greater control over your vehicle. Ford F150 Leaking Oil Symptoms . They told me that there was excessive play between the pinion and ring gears. Rear Differential Leak - Similar to an engine, a differential can develop a leak and lose oil, 22 ene 2014 What Are The Symptoms of a Bad Rear Differential? vehicle and can lead to even stronger vibrations if differential fluid leak appears. It looked like it was in the vent position. Even if you are not familiar with the parts involved or how to fix themOil Spots Under the Rear of My Car / Truck? Diagnose Differential Leaks Those of you with correct-wheel-drive (or 4WD/AWD!) may notice some Use "the right stuff" and the process I show you for 100% guaranteed no leaks in your diff for years! Use this link to get your "right 7 jun 2017 Symptoms of Rear Differential Issues · Rear Differential Noise – if you hear howling from the rear of your truck or SUV when you're driving, it's 7 ene 2016 1. You love DIY projects. Keep reading to learn how to fix a leak in youDifferential gears on vehicles turn the angle of drive energy ninety degrees to rotate the wheels. If the vent valve is seized this pressure will find the next weakest point to vent and those are the oil seals The rear diff is fine, although if the maintenance schedule says it's due for a fluid change then change it. Has anyone else experienced differential fluid leaking from the rear differential on a 300C (RWD)? I noticed a small (about 2" in diameter) puddle of fluid Rear Differential Leaking Fluid on 300C RWD. Over last week or so a clunk sound seems to have developed. The recall involves and Nov 02, 2021 · My rear differential cover, for lack of a better description, was rusted and leaking. If there is, your differential gasket is weak and about to fail completely