Seals often leak due to wear but they can also leak from a lack of use as is the case in the Nissan Armada in this video. When your installing your pinion nut,put a little sealer on the back side of the nut. At the same time, I At-205 re-seal is a fast, effective & safe stop-leak for all rubber seals & gaskets. Mar 7, 2017 · Your oil leak could be the "dust" seal on your flange, mine was. Oct 16, 2020 · The power steering stop leak product can help fix your rack and pinion’s seals quickly without removing it. There are a few things to watch out for when your pinion shaft oil seal starts to go bad. Want to get it replaced before leak gets severe and starts leaving oil inside under rug or get air into steering system. Totally corrects rack and pinion problems. The orange bead on the OD is what I am talking about. First one was a duralast seal BlueDevil power steering stop leak permanently seals leaks in power steering, differentials and rack & pinion steering. I had a buddy who years ago had that exact issue with a brand new Ford tk. Oct 12, 2023 · Rack and Pinion Replacement: $750-$1,800; Will a “Stop Leak” Product Fix the Leak? In general, power steering orientated “stop leak” products such as those by Lucas or BlueDevil serve as a band-aid for much larger issues. If the spring is dislodged, a new pinion seal must be Oct 1, 2023 · The Symptoms Of Rack And Pinion Leak. $420 for dealer to replace seal and flange. I dropped the drive shaft yesterday with the intent of replacing the seal (FOMOCO seal) only to find that the nut setup is different from the previous generations. I cannot stop the rear pinion seal from leaking and about to replace my third seal in as many days. Guaranteed Permanent Seal Feb 20, 2023 · You should not drive with a pinion seal leak. I have also had that little spring retainer that pulls the seal tight around the pinion come off and it caused one to leak. A call to Randy's Ring & Pinion got me a new yoke, pinion seal, and pinion nut. But I am not sure what the torque spec on the pinion is. Nov 1, 2014 · Always at least try a stop leak first, cheap and easy and stop leak is really designed for seals anyway. Clean the rear axle pinion seal seat. 73's for 3. Repair options for a leaking rack and pinion system with power steering Rack and pinion leaks are often expensive to fix as the seals are difficult to service, even by a mechanic. Product Features: It is also totally effective in reducing slack, squeals and hard spots in worn rack and pinions. Aug 6, 2021 · It's been my experience that if it's leaking at the pinion shaft nut, it's because of lack of sealant on the nut. It is 100% GUARANTEED to stop seal leaks in power steering units or your money back. 3 Flex Fuel, 239K mi, 8/7/13 Sep 12, 2006 · I had a minor leak in my rear pinion seal on a 95 YJ and just spread (squirted)some brake fluid around the outside of the seal and let it set for a day. Another remedy used to fix power steering leaks is leak-stop products. Dont get the pinion preload too tight! May 23, 2014 · Took my truck in for seal leaking the first time and the dealer just changed the seal, then it leaked a second time and they changed the backlash on it and changed the seal and yoke. It is designed to expand and soften seals and gaskets that puts an end to the rack and pinion leak. I'm not sure if it's just the cover an/or the pinion seal yet, I'll have to get a closer look this weekend. 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 This seal can wear out over time from use, or from dirty power steering fluid. Oil residue between driveshaft and differential suggests a failing seal. Dec 23, 2022 · In fact, it tends to be easier to begin leaking from one of the rack and pinion’s seals. Don't get the Dealer Seal. Aug 11, 2007 · After I got home last night I found the pinion seal leaking quite a bit. 5, factory spray in bed liner, LT tires, BAKflip VP, custom Jan 13, 2017 · Rather than searching for where your leak is coming from, simply add BlueDevil Oil Stop Leak to your differential oil through the oil fill plug and your leaking seal will be reconditioned and restored while you drive! Dec 21, 2012 · GM PTFE is a great sealant but it does tend to dry out a bit kinda chalky if over used, you only need a dab to take up the air gap between the pinion yoke and pinion splines. Mar 9, 2021 · Anyone repaired one yet on a 2017+ Sterling 10. Jul 19, 2014 · Well the seal didn't leak; but the oil was leaking though the splines of the flange and the pinion shaft. 50 miles on down the highway I added 1/2 additional small bottle of stop leak. 73's were just a little to steep for my application. If it leaks at the base of the yoke, it's the pinion oil seal. They didn't check the vent tube until after replacing 2 pinion seals (It should be the FIRST thing they checked). Why? Well for starters, looking for the leaking gasket or seal is a time-consuming process. If replacing your pinion seal is something you would rather leave to a professional, have one of YourMechanic’s certified technicians perform the replacement. Key Benefits. If the aftermarket pinion seal is put on too far (all the way in flush with the housing) new sleeves are not make correctly, it will not seal on the pinion yoke surface or the pinion yoke might need a ready sleeve if its rough or pitted from rust. So I took off the flange and cleaned the area real good and used Black RTV on the splines and no leak though the spine area, but now it's leaking bad though the seal area and comes out behind the deflector shield and spays all around. I have a very minor leak at the rear diff seal. Too bad I didn't know about that Ratech seal before. To start, you will add 1/3 of the bottle into your power steering reservoir, and should expect to start seeing improvement after 100-200 miles of driving. Mar 18, 2023 · https://amzn. Due to normal wear and tear, it is not uncommon for pinion shaft oil seals Jun 29, 2010 · I changed mine, but be prepared to use a 3/4 inch Breaker bar and chain Vise-grips to get the ***** off. Jun 28, 2017 · Hello all, new to the TJ community but no stranger to wrenching and vehicle forums. The brake fluid causes the seals to swell and will stop minor leaks,but if it's not real minor, replace the seal. Burning Smell. Install seal with Installer C-3972-A and Handle C-4171 Pinion Seal Installation Install yoke on the pinion gear with Screw 8112, Cup 8109, and Holder 6958 Pinion Yoke Installation Dec 2, 2017 · Not saying a stop leak would work on the pinion seal. Anyone have thoughts on just adding some stop leak like Blue Devil? The fluid is fairly new. The pinion seal prevents the differential oil from leaking out. . It is already replacing the axle shaft seal in DIY. This can cause a leak at the seal surface. An alternative is a “power steering stop leak” product. Not bad as on the Dana 80 the torque spec is 460ft lbs!!! Feb 15, 2023 · I've quickly developed a moderate PSF leak from the seal where the steering input shaft enters the rack and pinion. Some of the repairs may be as simple as tightening a bolt, or as difficult as replacing a component. 1. Because pinion seals aren’t always easy to repair. I replaced pinion seal twice and still had leak. ANTI-WEAR AW AGENTS: Superior anti-wear, anti-foam and anti-corrosion protection. Looks like the rear pinion seal is leaking fluid. I made some research and found this Lucas stop leak fluid. Page 1 of 2 1 2 Next > Nov 18, 2011 #1. The first and obvious indication of rack and pinion leak is a burning oil smell and a red or pink puddle under the rear side of the engine. Power Steering Stop Leak’s formula is designed to reduce slack in rack and pinion and eliminate those annoying squeals for good. Nov 24, 2022 · Shrinkage, cracking, or dryness of the seals at the tie rod ends or between the rack and pinion and steering column are the main causes of a rack and pinion leak. Fluid accumulation on the differential case signals a faulty pinion seal. Called the dealer they have a seal in stock. This can lead to larger and more expensive repairs down the road. Don’t linger on the issue, and follow our instructions above to have the matter addressed. Anyway I've been hesitant to pull the yoke because I dont want to screw up the preload on the pinion bearing. Jan 11, 2016 · Pinion shaft oil seals only last a certain amount of time as heat, wear, and tear break down the seal and require it to be replaced by a mechanic. Guaranteed to stop To help prevent leaks in the first place, avoid full-lock turns when parking or making maneuvers, as this can add excessive strain to the rack and pinion, potentially leading to damage and leaks. The exclusive formulation restores worn or dried out seals & is not harmful to internal bearings & components. A crush sleeve inserted in the differential that helps set the right preload on the pinion may also need to be replaced in addition to the seal. Mar 14, 2020 · I have the 12 bolt truck pinion seal and it sits deeper. 00: Nov 24, 2023 · You'd sure hate to pay to have the seal replaced, then later discover there's still a leak somewhere b/c the root problem was a plugged vent tube. Driving styles and environmental conditions all trigger these seals to crack, dry out, shrink, or even completely fall out in the end. Sep 6, 2023 · If the leak is in the front of the differential, where the axle enters the assembly, it’s most likely a leaky pinion seal. patreon. We have used multiple OEM seals and have spaced the yoke flange out so the seal rides on a new surface on the yoke. We recommend using the BlueDevil Power Steering Stop Leak to seal your leaking rack and pinion. The stop leak additives also prevent leaks by May 18, 2021 · TLDR: After fluid exchange I noticed front diff pinion seal leaking. Fluid all up over the engine. On the other hand, if you need to replace the entire rack and pinion unit, the cost can range from $500 to $2,000 , including parts and labor. Its safe, easy to use and works on gasoline or diesel engines. 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. I put in 1 small bottle of Lucas stop leak. When this happens you can use some Leak Stop to seal up some of the cracked areas, but you will need to replace the rack and pinion to stop the leaks entirely. Prestone Power Steering Fluid plus Stop Leak (PSF plus SL) delivers increased system life and prevents and stops system leaks. Will blue Devil rear main seal leak work. 150 miles out, the power steering seal went out. I figure I can just pull the yoke and swap it out. 5 1999+ Chevy OEM Dodge Ram 2003 Feb 24, 2007 · Using the Bushing Remover and the Slide Hammer, remove the pinion seal. So I replaced the unit. I had a 1/8" spacer made to fit under the seals flange so it will seal the yoke properly. It is suggested you leave the seal out about 1/8", which mine was. . May 4, 2019 · Most likley you have a pinion oil seal thats leaking or the oil is leaking though the pinion splines and though the pinion nut area . Learn the causes and symptoms of rack and pinion leaking so that you can spot the trouble right away and take necessary rack and pinion repair. Preston fluid w/ stop leak made matters worse somehow. This is a typical pinion seal with a garter spring around the inside lip designed to maintain a positive seal at the yoke sleeve. It’s especially ideal for older cars, which face fluid issues more commonly. There are repair sleeves for the yokes, but they are only $5. This forum has been a huge help. Dec 17, 2017 · 2017+ Super Duty - Rear differential leaking - Hey everyone, I'm new to this forum but have been reading these posts for quite some time. Mar 22, 2012 · When you installed the last pinion seal did you closely inspect the yoke for a seal cut? Get another seal and pull it apart again, look closely at the machined surface of the yoke where the seal makes contact. I have since replaced the flange and the seal, only to have it start leaking after 4 months again. Guaranteed to stop seal leaks; Stops rack and pinion problems May 13, 2019 · Premium seal-renewing additives in Super Leak Fix (p/n 1305) restore flexibility to stop seal and gasket leaks caused by this normal wear and age without clogging filters or harming the system. The pinion seal is a mechanical seal in the differential, a set of gears that send engine power to the drive wheels and allow the wheels on either side of the same axle to spin at different speeds. Leave it and top off as needed. I was too lazy and was selling mine also. I inherited my father's 2004 TJ SE 2. ly/maxcar_subIn this Jan 12, 2022 · It appears they are different size's, so if you drive the truck seal all the way in, you go beyond the sealing area in the pinion yoke and will leak. “Even the smallest fluid leak can quickly lead to vehicle or machinery malfunction, safety issues or costly repair bills if not addressed early Apply Leak-Stop Products. A “power steering stop leak” product can provide a temporary fix but is not a permanent solution, and it should be flushed out with the power steering system at the next service. Products of this nature seldom fix a power steering leak, instead providing temporary relief from fluid loss at best. 2 10 bolt rear end installed in my 1950 chevy p/u. I want to do something to stop it from leaking for now, to buy me some time before I have to do it. My leak was only a few drops a day. 3 out of 5 stars 37 1 offer from $13. These can stop the average leak which will allow you to do the repair at a later date. I hope this helps anyone who has the common pinion seal only leak. 3, 104,000 mi, 4/17/2014 2003 Dodge Grand Caravan SE, 3. The solution is made up of the company’s ‘Pour ‘n Go’ formula for Heading south for holiday. I drove my vehicle for 500 miles and lost about a quart. Dec 14, 2010 · Chances are that the reason you pinion seal is leaking is because your pinion bearings are worn out. True rotational torque on a differential would be no wheels, no axles just the housing/pumpkin installed alone. I guess I will change the fluid at the same time. I am wondering if anyone here has been able to replace that seal to fix their leak issue? Jun 23, 2014 · 06. Your results will be immediate and long lasting. com/user?u=2716812&ty=hBeer Donations Jul 2, 2020 · Cleaned up leak around rack and pinion boot from inside the Pilot lifted rug up took the cover off like I said not leaking to bad but it is coming from seal where rack and pinion connectes to steering shaft. It's safe and easy to use and guaranteed to work or your money back. If the seal is leaking, it should be replaced as soon as possible. I would not mess with a minor leak at the pinion seal, only if oil is leaking out an axle seal onto your brakes. Decrease in fluid levels may signal a pinion seal problem. Yes it works. Apr 28, 2015 · In that case you will have to remove the rack in the conventional way and replace the seal on the work bench. After the last repair attempt (number 3 or 4), a humming/whirring noise from roughly 30 mph down to a stop while coasting has surfaced. Its not there on all seals. It was most likely the culprit. Pour-n-go formula Jul 25, 2014 · The leak could be coming from the seal press-in surface, the yoke splines, or the lip seal surface itself. They are also not designed to repair serious damages. All you have to do is add the product to the power steering reservoir and it will immediately seal the leak. The dealer is saying that l should May 16, 2007 · Use a suitable pry tool or slide hammer mounted screw to remove the pinion gear seal. I have verified and re-verified my differential breather extension is not plugged. Looks the the pinion seal. Leaks around the differential. After some research found seal to replace what is being referred to as dust seal and problem fixed! Ordered from ebay: AAM Pinion Wear Sleeve 26060977 Yoke GM 10. Unfortunately, you usually cannot replace this seal so your only options are to replace the entire power steering rack or to use BlueDevil Power Steering Stop Leak to restore the seal to stop the leak. Thank you!-BDP These rubber or silicone seals are designed to allow the shafts to spin freely while maintaining contact to seal the opening, but because they suffer constant friction, the axle seals may wear out over time and begin to leak. Aug 26, 2011 · 1999 to 2016 Super Duty - Rear Pinion Seal Oil leak - Fellas, I have a F250, 2005, FX4, 6. I am tired of working on this truck, and I dont have the paitience right now to change it. Heading south for holiday. It works on rack and pinion units, gearboxes and pumps. Differential stop leak is a type of additive that is used to help seal small leaks that occur in the differential component of your vehicle. There are key elements that can cause leaks: The connection joints might loosen; Dec 9, 2022 · 2015 - 2020 Ford F150 - 2020 Rear diff leak - My 2020 F150 has a leak around the rear diff, I scheduled appt w/ my ford dealer for the second week in Jan 2023. This wear can be accelerated due to excessive heat or allowing the vehicle to sit for a long period of time, which may Mar 31, 2009 · I had replaced the pinion seal, but I re-used the pinion yoke even though there were a few small grooves in it. to/3Tt8PDs - New Rack and Pinion https://amzn. I wonder Lucas Oil Power Steering Stop Leak is 100% GUARANTEED to stop seal leaks in power steering units or your money back. Therefore, replacing a pinion seal is necessary to fix the problem of a leaking pinion seal; otherwise, you may face serious damage to your engine. Nov 21, 2014 · Thank you for asking about your Hyundai Santa Fe. Seals in your differentials or axles don’t often leak, but when they do the best way to stop the leak is to replace the seal. Will blue Devil rear main seal work to stop the leak. Distinct gear oil smell indicates a bad pinion seal. Sep 17, 2011 · Replace your pinion seal after you get the pinion support out. One has to disassemble the steering system, and trace the path of the oil, and/or check every single gasket. Apr 19, 2024 · Fluid leaks near rear driveshaft indicate a pinion seal leak. Your rack and pinion takes the rotational motion of May 28, 2010 · Step 8 - Replace Rack and Pinion. Mar 22, 2017 · This "could" be your issue that the seal is leaking from where it seals on the housing and not the pinion. If you notice any signs of a pinion seal leak, it is best to have it fixed right away. Jan 19, 2023 · Pinion seals are vital components to keep the fluid inside the differential. Feb 20, 2008 · Permatex 30303 Power Steering - Stop Leak, 12 fl oz, Effectively Stops Power Steering System Leaks While Revitalizing Seals and O-Rings 4. It is also totally effective in reducing slack, squeals and hard spots in worn rack and pinions. It also keeps power steering seals soft and pliable. 4, only has 52K, on it a couple months ago. Mar 16, 2024 · A few days ago I notice a very large power steering fluid leak from my rack and pinion in my Honda Civic 2010. The bearing went out in the power steering unit. 2000 F350 Lariat Crew Cab 4x4 Camper Special 7. And now it started leaking again. $200 independent shop to replace seal only. I have replaced 4 now since l had the dealership replace the first one. 6 days ago · Best Overall Lucas Oil 10278 Engine Oil Stop Leak Check Latest Price Best Value ATP AT-205 Re-Seal Stops Leaks Check Latest Price Honorable Mention My Kubota Tractor had a Transmission Seal that began to leak. Watch more Quick Tips: https:// Jun 4, 2019 · Does your rear differential leak gear oil everywhere? Do you keep installing a new pinion seal and having the same problem? Here's the fix. 5 11. Dec 17, 2021 · How to Fix Rack and Pinion Leaks. 2006 Dodge Caravan SXT, 3. It developed a pinion seal leak , just setting still . They replaced the pinion, yoke,seal, bearing after the bearing seized onto the yoke. INSTALLATION Apply a light coating of gear lubricant on the lip of pinion seal. Go to like NAPA or somewhere and get a Double Lip seal, and make sure to put a tad of RTV where the splines are on the pinion before you torque on the new nut and diff u-joint holder assy (just my 2 cents). Power Steering Stop Leak; 8 Ounce; BlueDevil Power Steering Stop Leak permanently seals leaks in power steering, differentials, and rack and pinion steering. Within a few months it began leaking badly. 00 cheaper than a whole new yoke, which cost me about $50. The first step to fixing a power steering leak is to first identify where the leak is occurring. Most auto parts stores carry power steering leak sealers. Started leaking and vibrating a 3rd time. 0. If there is even a small groove it can leak and you would need to replace the yoke. Dropped the drive shaft & pulled the yoke . Oct 8, 2013 · After a shop rebuilt my rear differential the shop or myself can't get the pinion seal to stop leaking. Sep 23, 2016 · Replacing a leaking pinion is very important in preventing any major repairs. Make sure the garter spring remains in place during assembly. to/2XVIqVRPatreon https://www. Anyways, I swapped the gears, replaced the pinion seal and got everything back together. BlueDevil Power Steering Stop Leak works on gasoline or diesel engines. For smaller leaks one of the quickest ways is to use a stop leak additive. Mar 27, 2016 · Quick Tip: Filthy Rich shows you how to fix a leaking seal on any vent, be it differential, transfer case, transmission, etc. I have 24,800 miles still under warranty. (I may be wrong) It started flinging fluid all over This Is how I replaced a Rear Differential Pinion Seal 2 Jaw Puller https://amzn. Some leaks are caused because the rack and pinion is failing. The axle shafts will experience fluid leakage if the seals fail or dry out. It worked the whole 6 months I had it before I sold it. Went to O'Reilly auto parts for a seal . Edit, the seal has nothing to do with stopping a leak at that Dec 11, 2009 · In this case, would it be better to replace the whole steering rack, try to replace the seals, or start off with the Automatic Transmission Fluid leak stop first? If I did the ATF leak stop would that hurt other parts of the power steering system in the future? Thank you for your assistance! A simple repair, such as replacing a damaged seal or using a leak-stop additive, can cost anywhere from $50 to $150. Cheers, Jim 2014 FX4 screw, Ruby Red, 402A, 3. Fishell Mar 4, 2021 · How to fix a leaking rack and pinion? For the most part, fixing a rack and pinion leak is quite expensive. Jan 11, 2011 · Pinion Seal Wont stop leaking Discussion in 'Kenworth Forum' started by Fishell Trucking, Nov 18, 2011. Apr 10, 2011 · I have a 8. Driving with a leaking pinion seal can cause damage to the axle and differential. 62 Aug 15, 2020 · I used at- 205. Smaller leaks may leave only very faint traces of gear oil on the differential housing, as opposed to bigger leaks that cause drips and pools to form beneath the car. I was thinking of p Jan 8, 2023 · A front differential leak is the most typical indicator of a problem with the differential output seal. Many leak-stop products are available, so you should consult your mechanic on the most suitable product for your vehicle. 5? My rear pinion seal started leaking on a recent road trip (2600 mile round trip). A rack and pinion leak is not a problem to be taken lightly. I was really worried 'cause I knew this repair or replacing the whole rack would cost me a lot of money and time. May 14, 2007 · Re: Dana 80 pinion seal leak - help please I was quoted $120 for parts and labor from my local Stealer. Does anyone know how to replace pinion seal？ Mar 24, 2022 · How to Fix a Power Steering Leak A power steering stop leak is one way to fix a leaking power steering system, but most stop leak products only last for a short while. to/43i0HtT - All-in-One OBDII Car Scanner Please Subscribe - https://bit. Is there anything I should know about changing it. Get a new pinion nut, it'll have fresh sealant on it. Feb 17, 2023 · 2015 - 2020 Ford F150 - Pinion seal leaking - I have been having issues with my rear pinion seals leaking. Your steering will initially become hard and erratic as the leak develops, and it will eventually stop working altogether when all power aid is gone. Installation CAUTION: If the pinion seal becomes cocked during installation, remove the seal and install a new one. Most leaks are solved by replacing the entire rack and pinion system to ensure the system works correctly. I had a pinion seal leak and I got around to fixing it this weekend. Jacked up the car & put it on jack stands . I decided to replace the yoke with a Neapco, and a new Timken seal. Our Bar’s Leaks Power Steering Stop Leak Concentrate is specially designed to stop seal and O-ring leaks caused by normal power steering wear and age. Vent still attached and not clogged. What is a differential stop leak? Differential stop leak is a great way to prevent costly repairs and extend the life of your vehicle’s differential. Make sure you put the pinion preload where it was. Apr 14, 2017 · After that pinion seal replacement, about every two months, gear oil starts leaking out between the pinion and flange, leaving a very small puddle when parked. It also matters how much oil is leaking, as a larger leak may not be easy to fix. and the problem was solved! Thank You Lucas! Aug 7, 2007 · Ford has always had a problem with pinion seal leaks on heavy trucks when I worked for for I specialized in drive axle repair and most of the time the only way to stop it from leaking is to put a new yoke on it I even had to replace a complete housing 1 time on a dana . Removed the old seal and installed the seal ( of the 2 ) that fit . Applying leak-stop products will seal leaks in the differentials and worn-out rack and pinion systems. 3 Power Stroke Diesel, 4R100, 4" MBRP Exhaust, Ford AIC, Motorcraft Air Induction System, Sep 26, 2014 · Stop leak products are more trouble than they're worth. Some mechanics might suggest rebuilding the system instead of replacing it. Stops and seals power steering fluid leaks. Jul 19, 2020 · STOPS PINION, AXLE, OUTPUT SHAFT AND OTHER SEAL LEAKS: This is a treatment additive for use with automotive, heavy duty, agricultural, marine and industrial gear oils. Dec 6, 2006 · hey guys,my truck is leaking gear oil from where the pinion goes into the rear. These seals harden and shrink over time which are the likely cause of leaks. Start by securing your steering wheel so it doesn't move when the rack is removed. This is a cost-effective solution for an otherwise pricey repair. It leaked because it was old and hard. Output Seals. While I was at it I swapped the 3. 55, 5. 00 to split tractor and replace seal. Possibly overfilled I let some fluid out until right at bottom of fill plug and seal still leaks. The pinion seal leaking is a good indicator that something needs attention. Be sure that the pinion bearings are not worn. Seals fail when this spring pops out. And didn’t stop the rear main seal leak on my car. Does anyone have a ball park idea as to how much this repair cost? Nov 8, 2023 · See It The BlueDevil Power Steering Stop Leak 00232 fluid makes it easy to put an end to leaking power steering fluid. That will stop any leakage from the center of the yoke. Stop Leak additives renew, restore and condition seals in the power steering system. I have just crossed 10,000 miles and noticed my rear axle leaking. Picked up a bottle of Lucas Stop Leak. 08's since the 3. The leak stopped for 2 years. Another perk about Lucas Power Steering Stop Leak is its versatility. Can you clean the diff and determine exactly where the leak is coming from? There are three primary culprits: the CV shaft output seal, the pinion input seal in the rear, or a leak between the two halves of the diff case. If the rack is leaking at the boots you will have to either re seal the entire rack assembly or replace it with a rebuilt unit. Oct 11, 2015 · Leaks at the front differential pinion seal on My 2000 e320 4Matic 130K mile. Feb 23, 2023 · Repairing a leaking rack and pinion system can be expensive as the seals are difficult to service, and most leaks are solved by replacing the entire system. You probably don't even need to remove the yoke. They listed 2 & I bought both . While these sealers might stop the leak temporarily, they’re not meant to last and will leave a residue inside the system that has to be flushed out later. Contacted Kubota Service Department and was told $1,000. Mar 18, 2008 · Around 46,000 original miles . bc ea fe pu ub ev zl oa ai jg