Pinion Seal Replacement on Ford 8.8 Differential (2013 Mustang GT Track Package Torsen 8.8 Rearend)
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- čas přidán 10. 06. 2019
- Learn how to replace the pinion seal on a 2013 (’05 thru ’13) Mustang GT Torsen Limited-Slip Differential. This is the same BR3Z-4676-A Seal as non-Limited-Slip Differentials. I show the parts and tools required for the replacement. I talk about replacing and filling the differential with gear lube.
Safety: Always use jack stands when working under a vehicle; do not trust floor jacks alone. Always block the tires that remain on the ground on a vehicle that is partially suspended by jack stands. Protect your eyes with safety glasses or goggles . Use the proper PPE when working with solvents.
Recommended Tools:
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Consumables:
Pinion Seal, Ford, BR3Z-4676-A amzn.to/3B8ShWr
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Sealant - -
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Disclaimer: The information, demonstration and any content contained in this video is for informational purposes only. Due to factors beyond the control of the author, I cannot guarantee against improper use or unauthorized modifications of this information. The author assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. The author recommends safe practices when working on vehicles and or with tools seen or implied in this video. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not the author. The links on this video to products are for informational purposes only and in no way are an endorsement of the safety or effectiveness of the particular product. Therefore, viewer agrees to release, waive, and discharge the author or anyone affiliated with the author or video, from any and all liability, claims, demands, actions, and causes of action whatsoever arising out of or related to any loss, damage, or injury, including death, that may be sustained by the viewer, or to any property belonging to viewer, regardless of whether the loss is linked to the use of the contents of this video, or otherwise and regardless of whether such liability arises in tort, contract, strict liability, or otherwise, to the fullest extent allowed by law. - Auta a dopravní prostředky
Thanks for the video! Made what seemed difficult, very easy!
You're very welcome! Yep, occasionally when a Bolt or Part gives me a little trouble and seems to take longer than it should to remove, I'll say that. I try to make my videos as complete as possible, you should see the Technical Manual writer in them and that I enjoy teaching. Thanks for the comment. - Stiles
Thanks for the great video. Really well done!
Hope it helped you, Thanks for the comment! - Stiles
Great video. You have the only pinion seal how-to video for the S197 and it's thorough. I just did mine on an '06 a few days ago and wasted money on an articulating driveshaft 12 point 12mm socket recommended for all Ford 8.8" only to realize my setup is just like yours with the CV joint on the axle end with basic 10mm bolts holding it in place and the procedure was exactly the way you did it.
Thanks for the comment, I'm glad it helped you. This 8.8 Pinion Seal Replacement is my first video, not the first one I posted but the first one I filmed. Like you I couldn't find a good video, I wanted the torque spec's on the 10 mm bolts you mentioned. After you replace your seal, keep an eye on it for a couple of months, if it starts to leak again. You may have a Drive Shaft out of balance. This is for most Drive Shafts, for our Funky Drive Shaft, I believe you will feel it, if it goes out of balance. I wish you many years of fun in your Mustang. - Stiles
Literally just bought the 12mm today for no reason
@@heartbreakronn Ron, Hopefully you can use the 12 mm in the future. I hope my video helped you! - Stiles
Thank you! Gonna try to knock it out myself also! Should have done this when I replaced my drive shaft to the one piece aluminum Ford performance.
Marty, You are welcome! Yep, that was the time to do it, when you replaced your driveshaft! But, still not to bad of a job - Stiles
thank you
You're welcome! I hope you found the video, helpful! - Stiles
Great video bro!! I have a question? I’m installing a new pinion flange on to my 2014 Ford Mustang. I installed a V8 into the mustang it was a V6 so the flange is different then the GT one. So my question is since I’m installing a whole new flange and I can’t mark it like you did with yours. So how would I install this new flange? I went ahead and went by the dealers today and bought a new seal but before I go taking this thing apart I’m trying to find the right info? Thank you for all your help sir!! 💯👍
Billy, by marking the Nut and the Pinion Yoke, you are ensuring you are returning to the correct pre-load. If you are changing the Pinion Yoke, you can measure the new Yoke and compare it to the old Yoke. Use a caliper like this one - - www.harborfreight.com/4-in-digital-caliper-63710.html?_br_psugg_q=caliper to measure from the nut face to the Pinion side of the Yoke. If the new Yoke is shorter you can shim under the nut, If larger don't tighten the Nut as much. What I am trying to tell you isn't that hard, but it is hard to put in words. Do you get what I'm saying? Let me know how it goes! Thanks for the comment. - Stiles
Doing it this week. Just got drips over my driveway.
AN, Yep, don't run your Rearend low on Gear Lube! And be sure to change your Gear Lube unless you have change it in the last 30,000 miles or less. - Stiles
This video may also help you!
Change Gear Lube & Rear Differential Cover Replacement, Ford 8.8, 9.75, & 10.25 Axle Assemblies czcams.com/video/RhS2pT9J6CA/video.html
Thanks! Just got the part at my Ford dealer. Will go on my lift tomorrow
Great video, thanks! Gonna have to replace this pinion seal pretty soon as well. Just one question: how much oil do I need (and how do I know there is enough in the differential after filling it up)?
Roger, Fill the Differential with Gear Lube until it just comes out of the Fill Hole. I talk about this in the video. Your capacity is listed in your owner's manual. My car is a Track Package car, I fill from the back and check the level the same as other 8.8 Rearends. For a normal 8.8 Differential, Ford says 5 pints (2.4 L) (that's 2.5 quarts) of SAE 75W-140 synthetic Rear Axle Lubricant. Hope this helps! - Stiles
@@StilesAutomotive thanks!
@@StilesAutomotive actually Stiles, there was one crucial piece of information I left out.. I have the 3.7L V6. But you helped me a lot nonetheless! The owner's manual! Why didn't I think of that??!! It says 3.25 pints (1.5L)
Was your diff whining? I have a 13 gt and the rear diff whines a little so I started googling causes and ran across some discussions saying it could be the pinion seal.
David, I don't think it is the bad Pinion Seal causing the whine, more likely the bad Seal (which is leaking) causing low Differential Lube, which caused the whine. To answer your question, yes mine was whining and maybe more like growling. I have the Torsional Differential that doesn't like to be low on Gear Lube. I failed to do proper maintenance on the Mustang that summer, and didn't know it was leaking until I let my neighbor borrow the Car for a week and he said it was leaking Lube onto his Garage Floor. With a new Pinion Seal and topped off with a Mobil 1 Synthetic Gear Lube, my Axle Assembly quieted down (hard to tell with the Flow Master American Thunder Mufflers, but it did). Check the bottom of your Axle Assembly for wetness and your Lube level. Check your 2-Part Drive Shaft and U-Joints. - Stiles
How long did this take? I’m having to do this soon. My rear diff is leaking in the same spot
John, Really only a couple of hours, I didn't drain and fill my Gear Lube, because my Lube was very new. That adds a little time to the job in video be not much. Again, get a good Motorcraft Seal, its only a few bucks more. Good luck with the job! - Stiles
How tight should the pinion nut be ? What is the torque
J. There isn't a torque spec for this, if you are setting up a Ring and Pinion you initially set the preload. Probably, the most important part of this video is how to mark and get the Pinion Nut back to the Set Up Preload. - Stiles
You just saved me 350 dollars in labor
Ok, very good! I appreciate the comment. - Stiles
What size socket is the nut
27 mm across flats or 27 mm Socket, reference my video at ~ 40 seconds - Stiles
How is the repair holding up?
Scobie (did I get that right?), It hasn't leaked a drop. This was my first recorded video, not my first published, but recorded. Of course, the reason you may ask, "how is it holding up"? Is that sometime (a lot of times) the Driveshaft (for a number of reasons) may cause the Pinion Seal to leak and a new Seal will not fix the issue. I could easily see that happening with this 2-peice Driveshaft. - Stiles
@@StilesAutomotive Awesome thanks for replying. I had a failing support bearing in my stock driveshaft which possibly caused my pinion seal leak. After upgrading to an FRPP one piece aluminum driveshaft I am going to replace the seal.
Did the new seal hold up well?
Yes, so far so good! If the new seal does leak, that is a indication the Drive Shaft is likely out of balance or some other issue. - Stiles
20:21 ABOUT RIGHT AINT RIGHT
Ed, This method attempts to put the Backlash back where it was. What "ain't right"? How would you set it? - Stiles
I was a drag racer / John Deere mechanic in the 70s and 80's. My race car was a 1971 Dodge Demon 340.. I worked on many John Deere differntials and Chrysler differentials but never worked on a Ford differential. It has a pinion crush sleeve that the differentials I worked on did not have. The crush sleeve is a one time thing that is not supposed to be used twice to set the backlash/torque according to Ford service manuals. It will work for a while and then start making a roaring sound and leaking and eventually break the ring and pinion. The correct fix is to completely disassemble the differential and go back with a new crush sleeve according to Ford. Since ive never done a Ford Diff, I cannot say for sure if what you did will last.@@StilesAutomotive
All wrong. Back lash between the ring gear and pinion isnt the only thing to check. You also check for pinion in and out play and make sure the nut is tightened to where there is no in and out play, then only tighten maybe a quarter turn on the nut. Plus, you should only use a ratchet with the socket so you can feel and see how far until the flange touches the bearing inner washer. Your job may get lucky, but its done wrong
Earl, This method doesn't check anything, it simply puts the Rearend back the way it was. I appreciate the comment - Stiles
@@StilesAutomotive Puts the rear end back the way it was???? Thats retarded, to ASSUME it was correct as it was before. Also it is stupid to mark where the drive shaft was bolted to the differential pinion flange, BEING the drive shaft is balanced within itself and was never balanced with the differential at all. The drive shaft is balanced in where regardless if you bolt it back on a complete half turn from where it was cannot make any difference at all. Why do people justify being retarded?