How to Replace a Rear Differential Pinion Seal

How to Replace a Rear Differential Pinion Seal

https://twitter.com/bullshitkorner follow on instagram — Bullshitkorner Well here goes another unexpected project but as always it’s one we tackle with some…

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Bullshitkorner says:

hahaha thanks I sometimes have a beer project rating depending on the task i’m doing, sometimes it’s just a shitshow and sometimes I fuck up i never hide any mistakes and don’t bullshit anybody

dJack1 says:

I don’t leave comments…ever…but you’re more than welcome in my shop any day. If we could get Bill Hewitt involved the Powerblock would be outta business. But if FDBAGH is the theme you need to start “beer/project” rating system. This was a 2 beer project for me. You must drink slow… Thanks. Keep em comming!

shooter275 says:

fucking drink beer and get hammered

Bullshitkorner says:

putting it back with the same number of threads doesn’t set the drag for the bearing, depending on the type of rear end some need between 10-20 inch pounds on a used bearing, then check your backlash to make sure it’s still in spec. if your rear end whines after getting it back together then it’s not set up right.

ProVette427 says:

Wrong! As log as you put it back with the same number of threads showing it will be fine. No new crush sleeve needed if you do it right

Bullshitkorner says:

good luck jay, keep me posted on how the job turns out. don’t over torque the bearing as you will wear it out fast and will end up replacing the diff 

Jay barn says:

Ah damn it!!! nothings ever easy lol Thank you very very much for the video and all the info, i really appreciate it. i will read up on it some more and try a longer snipe. thx again and keep the awesome vids comin!!!

Bullshitkorner says:

your not going to like this but doing the seal in the dodge 1500 you need to replace the crush sleeve and torque it properly, it’s not as easy as this…. if you do a quick google search you will be able to read up on it and yes people have reported using a 6 ft snipe to remove the pinion nut on the dodge

Jay barn says:

p.s its a 2003 ram 1500 4×4

Jay barn says:

about braking something within the diff? should i have used a longer extension and just cranked until it gave way? what else can i do in order to take it off? i dont have oxy/acet but do have propane or could poss get something a bit better. is heat a good or bad idea? could i damage anything else than just the pinion seal? pls send some ideas because its leaking bad and i still drive it daily. i really want to do this myself and leave a mech as last resort. thanks so much in advance

Jay barn says:

apply the brakes and used a breaker bar with a approx 2-3 foot extension and i tried removing the nut but i felt like i was gona snap something inside my diff. i had a huuuge amount of pressure on the nut and it didnt budge. im pretty sure the brakes held the truck in place but there was so much flex from within the diff it got to a point where i felt like the gears were gona snap in the diff. was i wrong to think that? can you crank on that bolt with extreme pressure and not worry at all….

Jay barn says:

Thanks for the vid!!! i followed the instructions and it worked well up until the point of taking my pinion nut off. the 4 bolts holding the drive shaft on were hell to take off because they were blue threadlocked, but i got them after 2 hrs!!! next i tried to get the pinion nut off and i just couldnt. i am guessing it has a ton of threadlock also and probably rusted on a bit. i hit it w P.B blaster but nothing. i tried 2 impact guns, putting the tires on the ground and starting the truck to…

Bullshitkorner says:

so far so good, been towing lots and put on about 20000 km

Legos37 says:

Is the diff okay after this procedure? How many miles since done so far?

badranger2004 says:

Ford did make a heavy duty f150

Bob Burrell says:

Thanks a lot for this video! I’m currently changing my pinion seal and this video has been GREAT! Cheers!

Bullshitkorner says:

well, the hard part is you need to inspect the pinion bearing and most likely replace it which means taking the carrier and axles out of the differential. you would have to remove the pinion and get the bearing off it and another pressed on….. and set it up the way the manufacture needs it done

legoomega says:

Whoops. Thank you. Now how do I fix it

Bullshitkorner says:

it would for sure make noise

legoomega says:

To tight could sound like a dry bearing?

Bullshitkorner says:

to little preload on the bearing would cause the bearing to drift and wear out fast and too much preload would put so much tension on the bearing that it would wear out very quickly….

legoomega says:

What if you forgot to measure the pinion length?

Bullshitkorner says:

no they even showed me in their parts book because i questioned them, we looked up a 3/4 ton and 1 ton and the seal was the same believe it or not.

DarrenWS6 says:

Good video, i’m about to do this to my ’07 this afternoon. Are you sure the parts store didn’t give you a 8.8″ rear end seal ( 4.6L ) instead of a 9.75″ seal ( 5.4L )? Not sure if the Super Duty rear is the same size or not.

Bullshitkorner says:

ya there is nothing worse then working on a project and shit doesn’t go right especially with wrong parts hahaha

f150man55 says:

“this is the shit i hate” haha man i HATE when they get give me the wrong shit and i have my shit apart already

JonneyTurbo65 says:

What province/ territory do you consider great white North?

Justin Becker says:

drink beer

Bullshitkorner says:

you would have have to look up the specs on differential that you are doing and follow the procedure that they recommend otherwise you could end up in a world of hurt. i’ve seen people put way to much load on the bearing and it crushes it and wears it out in a matter of days

Joe Smartballs says:

I like your video. Will your instructions here work if you have a crush washer on the pinion? Mine say to rebuild if I remove the pinion nut. I was thinking its because the torque has to be the same or redone.

plague1313 says:

What’s the torque specs on the four bolts for the drive shaft?

plague1313 says:

What’s the torque specs on the four bolts for the drive shaft?

Bullshitkorner says:

hahaha that would be awesome 

Bullshitkorner says:

you shouldn’t have to replace the bearing or the gear unless your rear end is having some serious issues

Missouri Gunner says:

Awesome Video! we should all chip in and get you a kegorator!

Carl Rafferty says:

This guy is fucking great appreciate the video thanks bro!!

winkawak says:

when you have a pinion seal leak, do you need to replace bearing or the gear too?

Bullshitkorner says:

hahahah no i’m not sorry i’m in the great white Canadian north

Bob Vob says:

Hey are you out here in AZ so you can help me with mine? I will pay you in cases of PBR!?

EZEvans1 says:

great video, both for its straight forwardness and entertainment. ***** 5 stars

Bullshitkorner says:

no the pinion bearing is pressed on the shaft, taking the rear end apart will be the only option

sniperhunter230 says:

Can you get the pinion bearing out that way or take the whole rear end apart. My pinion bearing is going bad??

MrDalegum21 says:

Thanks, this video helped a ton.

Bullshitkorner says:

well since i got the wrong seal, all in all maybe a couple hours, otherwise with the right parts 20-30 mins if you were to do it with no filming or screwing around

724bigal says:

Ha Ha
Right on bro strait to the point! No bull shit!!! How long in real time did it take you?

Bullshitkorner says:

i just held it in my hand. but if your tires are on the ground and wheels choked then you should have any issues getting it off

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