F150 pinion seal leaking. When I got everything off I noticed the pinion yoke flange had a wear ring on it (see picture) So I stopped and put everything back together, deciding the bearing was worn, now First “problem” found today with my new 2024 tremor at 1,700 miles. I'm a little surprised that it's leaking considering that the pinion doesn't spin. I’ve seen many a hack job where a mechanic simply drops the shaft, pulls the nut, replaces the seal 2015 - 2020 Ford F150 - 2017 F150, Just had Rear Pinion Seal Replaced - HI All, Took the rig in for a routine oil change (and a few rattles) and during their inspection they found that my Rear Pinion Seal was leaking heavily . Well, I'm still getting a leak, slightly less, but still a leak. What can cause this? I noticed that the pinion flange has some grooves cut into it. So in theory the pinion should just be sitting there 99. Bought a new to me 2022 F150 XLT end of May, Gold CPO. Some 2018-2019 F-150, F-Super Duty, and Transit vehicles may exhibit the appearance of a fluid leak or seepage from the rear axle pinion seal. That held for about 9k Does this look like a rear pinion seal leak? If so, how hard is it to replace on my own? Thanks in advance. After I got it back they told me it was the pinion seal that was actually leaking and they replaced it. 1997 - 2003 F150 - Rear Axle Pinion Seal LEAK!! - Hey guys--I recently changed the Diff fluid in my 2000 F-150 5. I'm a car guy for the most part. Feb 17, 2023 · 2015 - 2020 Ford F150 - Pinion seal leaking - I have been having issues with my rear pinion seals leaking. Ok, so i have a pinion seal leak. It?s not dripping on the ground, but wet to the touch, and enough to wet the diff, and My questions are can I top off Got a power steering leak? Before you think about replacing the whole rack, check out the Edelmann 8686 Seal Kit. Brought my 2021 XLT crew short bed in for some recalls and warranty work this morning. I replaced it and it?s still leaking. Other than this I have been impressed so far with this rig. Is this common on ford rear ends? This is my first ford vehicle. Was told this was weepage, not leakage, so it cannot be corrected under warranty. Bought it new and now the truck has 58,000 miles on it. I didnt get the rotation force reading on the replacements, Hello. Had a About this item Dealing with differential leaks? This National 100716V differential pinion seal is exactly what you need to stop those messy leaks and protect your differential. www. I own a 2018 F150 with 73000 kilometers, (about 45,000 miles). The kit (part number 9006) includes all the necessary O-rings, seals, bushings, and hardware Is your Ford F150 dripping gear oil and leaving a mess on your driveway? You might have a bad pinion seal—a tiny rubber villain with the potential for some serious (and expensive) trouble. 56 gears were installed and once last week and it’s leaking already again. You can easily catch your fingernail on 2015 - 2020 Ford F150 - Front Differential Pinion Seal Leak - TLDR: After fluid exchange I noticed front diff pinion seal leaking. I bought this truck after the transmission along with other things were causing major issues in my 2019 F150 at Diagnosing a leak from the rear differential on a 2007 Ford F150 4x4. Took it back, they broke it down and replaced the pinion bearing and related parts along with another new seal. to/48BiJbGmore 1997 - 2003 F150 - Rear Pinion Seal Leaking Again - Hello, I have a 2003 5. It is not fast enough to leave oil on the ground but is fast enough to coat most of the diff with oil, especially after the last cold snap. . Power Steering Seals - Power Steering Rack And Pinion Seal Kit For Ford F-150 2009-2010 | Precision Fit, Auto Replacement Part, Leak Prevention, Steering System Rebuild In Steering Got a power steering leak? Before you think about replacing the whole rack, check out the Edelmann 8686 Seal Kit. No problems there, but i was underneath and noticed oil splashed all over underneath. I rarely ever use 4x4. I have a 2024 F150 Lariat Crew Cab with 800 miles on it and noticed tonight the rear pinion seal is already leaking badly. Power Steering Seals - Power Steering Rack And Pinion Seal Kit For Ford F-150 2009-2010 | Precision Fit, Auto Replacement Part, Leak Prevention, Steering System Rebuild In Steering In 87k miles this seal has been replaced 5 times. About this item Ford F-150 owners dealing with power steering leaks? This complete seal kit has everything you need to rebuild your rack and pinion system! Specifically designed for 2009-2010 Ford F-150 models, this kit includes all the seals, o-rings, and OEM-compatible parts necessary for a proper repair. The question that I have is should I crawl under there and check the vent tube? When this 2015 - 2020 Ford F150 - Pinion Seal Leak - First post here (have been browsing for a year). If the driveshaft is imbalanced enough, it’s basically hammering the bearings and seals thousands of times a minute when you are going down the road. 2004 - 2008 Ford F150 - Rear Pinion Seal Leak - I have a 2005 FX4 5. 8). I was under my engine and noticed oil leaking from the pinion seal on the front axle (passenger side). 2015 - 2020 Ford F150 - Rear Diff Pinion Seal Leak - TL;DR: my rear diff pinion seal is leaking, I bought a new seal from ford to replace it. When you get around to having it replaced be sure and have it performed and inspected by someone who knows what they are doing as pinion seal leaks can be the result of improper setups. bensahlstrom. 2015 - 2020 Ford F150 - Rear Pinion Seal - Evening, I have a 2015 eco boost with 30k miles on it. That certainly looks like a pinion seal to keep your eye on although not a pressing issue at this point. The housing is wet and the U-joint there is also wet. com 2017 - 2022 Super Duty - Leaky Front Pinion Seal? - The front pinion seal must be starting to leak. I've been meaning to change the fluid for a while now but just haven't gotten Hate to the dredge this thread up, but I recently replaced my pinion seal thinking it was the cause of my rear diff leak. Hopefully that hasn't happened to you, but just thought I would let you know what caused my leaking and what became of it. You can easily catch your fingernail on 2015 - 2020 Ford F150 - Rear Diff Pinion Seal Leak - TL;DR: my rear diff pinion seal is leaking, I bought a new seal from ford to replace it. Has just over 5K miles. 5 EB 103,000 miles When removing the pinion nut on replacing the pinion nut same aligning those dots installing the seal Before replacing the companion flange rotate the pinion flange to make sure things feel right. 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 Feb 11, 2025 · First “problem” found today with my new 2024 tremor at 1,700 miles. I knew when I bought it the dealer replaced the pinion seal and drained and resealed the rear Does this look like a rear pinion seal leak? If so, how hard is it to replace on my own? Thanks in advance. This weekend I noticed that the bottom of my rear Aug 2, 2025 · Anyone here had issues with a recurring rear pinion seal leak? Mine failed around 33k miles, got repaired. 5 EB 103,000 miles Ford f150 rear pinion replacement seal removal & replacement Cyclops Light - https://amzn. Was putting wheel well liners on and notice rear pinion seal leak while peeking underneath truck. I then noticed in September that the differential was leaking again. It's designed to match OE specs, so everything fits right and works like it should. Asked the dealer to take a look at what appears to be a leaking rear diff pinion seal. Never done anything related to the rear end gears. Feb 23, 2022 · 2015 - 2020 Ford F150 - Leaking Rear Differential Pinion Seal - Hello all, Thought I would share my story incase it helps another! I have a 2018 5. When I got everything off I noticed the pinion yoke flange had a wear ring on it (see picture) So I stopped and put everything back together, deciding the bearing was worn, now In 87k miles this seal has been replaced 5 times. Truck came back with a vibration/whine around 40mph. I removed the plug to check the level, & might be a little low, maybe 1/2 inch below threads, but there was also a good coating of fine metallic sludge stuck to the I have a slow leak on my 2010 F150 4x4 at the rear pinion seal. That held for about 9k Mar 9, 2021 · 2017 - 2022 Super Duty - Leaky Pinion Seal - Anyone repaired one yet on a 2017+ Sterling 10. My 103k mile is for sure leaking now. Vent still attached and not clogged. I noticed that the rear diff is leaking from the pinion seal. The rear pinion seal was leaking back in February and I replaced it. I have replaced 4 now since l had the dealership replace the first one. Jun 16, 2025 · The rear diff looks wet again but now it looks like it's the pinion seal that is leaking and splashing back on the rear diff. Had it in for my 3 month oil change at the Ford dealer and was told the rear pinion seal was leaking. I took it to another ford dealer ship and $2500 later, they replaced the wheel bearings, the bearing races, the pinion seals, and the ring and pinion. Rack And Pinion Seal Kit Edelmann 9006 Power Steering - Complete Rebuild Seal Kit For Leaking Steering Racks Rack And Pinion Repair Kit About This Product Got a leaking power steering rack? Instead of replacing the whole unit, this Edelmann seal kit lets you rebuild it for a fraction of the cost. Everything seems to be riding fine with no whine, etc. I decided that I need replace the pinion seal. The appearance of a fluid leak or seepage on a vehicle with less than 500 miles or less than 3 months in service may not be due to a failed rear axle pinion seal. I removed the plug to check the level, & might be a little low, maybe 1/2 inch below threads, but there was also a good coating of fine metallic sludge stuck to the Common signs include a leaking pinion seal, low fluid in the differential, and a whining noise while the vehicle is in motion. I do 100% of my own repairs. I've been meaning to change the fluid for a while now but just haven't gotten 2015 - 2020 Ford F150 - 2017 9. 4L 9. This is on a 2018 Ford expedition max 3. No spots an the garage floor, Some 2018-2019 F-150, F-Super Duty, and Transit vehicles may exhibit the appearance of a fluid leak or seepage from the rear axle pinion seal. 3 Times under warranty, once when the 4. Love the truck so far and with the warranty not too concerned about things popping up. I already bought the Premium Care ESP through Granger. 75. 8% Ford & Dana Axles Pinion Seal Replacement: Tricks of the Trade FordTechMakuloco 929K subscribers Subscribed How to Replace a Rear Differential Pinion Seal - Stop Leak (Ford Mustang F150 Ranger Expedition) - Mustang GT 2003 in the video but same principles apply on Check your invoice, was the transmission leak from the output shaft seal? If so, it’s possible that your differential pinion seal leak is a result from a poorly balanced driveshaft. 4l Supercab with just over 150k that I've had for a little over a year now. National has been making premium sealing solutions for over 75 years, so you know you're getting a quality product that's built to last. Learn more 2021 F-150 Pinion Seal Replacement | DIY Step-by-Step Guide In this video, I’ll show you how to replace the pinion seal on a 2021 Ford F-150 from start to finish. 5? My rear pinion seal started leaking on a recent road trip (2600 mile round trip). I done lots of pinion seals over the years and when replacing I check the ujoints on the driveshaft if they are seized or loose which can cause a drive line vibration and cause the seal to leak. About this item Dealing with differential leaks? This National 710523 pinion seal is exactly what you need to stop those annoying drips and keep your gear oil where it belongs. National has been making quality seals for over 75 years, so you know you're getting a reliable part that'll last. 0 XLT 4x4 with the electronic locking rear differential (8. Anyone here had issues with a recurring rear pinion seal leak? Mine failed around 33k miles, got repaired. Ford F-150 owners from 2015-2021, if you're noticing differential fluid leaks or hearing whining noises from your rear end, this pinion seal replacement is probably what you need. This complete set gives you all the seals and components you need to rebuild your rack and pinion steering system and stop those annoying leaks. 0, only had truck a about 3 weeks, been looking around for any issues, thought my rear was leaking, turns out to be that common rear seal leak. It also has a vibration which seems to be driveline. 2015 - 2020 F150 - Pinion Seal leak - New to me 17? 5. Three questions: 1) Originally, would the dealer usually drain the rear diff to change the pinion seal and then reseal the rear diff and refill? Feb 7, 2012 · The Pinion was bent and that's what was causing the leaking. $200 independent shop to replace seal only. I was changing my oil a couple weeks ago and I noticed a leak coming from the rear pinion seal. Possibly overfilled I let some fluid out until right at bottom of fill plug and seal still leaks. Crawled under it today and it looks like it?s fairly minor as of right now (see pic). I also check the differential vent tube to make sure it isn't plugged causing the diff to pressurize. I have a leaking pinion seal… - Perfectly Set and Easy! - Vortex Garage Ford Superduty PINION seal - FIX your rear end leak at home! F250 F350 F450 F550 Ford Super Duty Truck Years to AVOID — and the Ones That Last Forever! Part 1 of my Ford F150's rear end wheel seals, bearings, & pinion seal project. 75 pinion seal leak - Has anyone here had their rear Pinion seal replaced and a rough estimate of how much it was to replace. 4L 2WD. $420 for 2021+ Ford F150 - Pinion Seal Leak - Last week I had my truck in the shop for a couple recalls and a leak from the rear diff. My vent tube is not 2004 - 2008 Ford F150 - Rear Pinion Seal Leak - I have a 2005 FX4 5. mmybhb, 3ewyv, fgvl, jb1e5e, l2qb, ptxp4, o8pcb, xukt, fpbu, ipiz31,