Ford 4.6, 5.4, and 6.8 Rear Main Seal Replacement.

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In this video I show you how to replace any rear main seal in your 4.6, 5.4, or 6.8 V10 Ford Modular engine. All of these engines use the same seal, oil slinger, and aluminum cover. The procedure is exactly the same for all years. To change the seal you need to remove the transmission and transfer case if you have one. The seal is cheap and relatively easy to replace compared to removing the transmission. If you have an oil leak at the back of the engine chances are it is this rear main seal leaking or the oil pan gasket leaking.
Parts that I used in this video:
Seal: amzn.to/2ZeayBR
Oil Slinger: amzn.to/2X5DN75
RTV: amzn.to/2Lyt93x
Rear Main Seal Tool: amzn.to/3bGGH7E
Help support the channel buy using my Amazon links
As an Amazon Associate I earn from qualifying purchases.
Questions? Shoot me an email at repairgeek365@gmail.com
Disclaimer:
The information, demonstration and any content contained in this video is for informational purposes only. The user Repair Geek makes no warranty, express or implied, regarding the effectiveness or safety of the contents of this video. In no way should the contents of the video, including the tools used, be repeated or tried by anyone. Viewers should only seek the help of a trained professional located at a licensed auto repair shop for any fix, modification, alteration, or any change to their vehicle. Repair Geek shall not be liable for any injury, damage, or loss to any person or property that may result from use of the tools, equipment, or any content contained in this video. In addition, there is no way to guarantee that the video is not altered or modified or is not in the final form submitted by Repair Geek and therefore, Repair Geek does not warrant that the video is unaltered or not modified. 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. Viewers understand that anything contained in this video or linked to or from this video is the sole responsibility of the viewer and in no way provides an express or implied warranty as to the safety or effectiveness of any linked tool, product, or video. Therefore, viewer agrees to release, waive, and discharge Repair Geek or anyone affiliated with Repair Geek, 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.

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1 июл 2024

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Комментарии : 110

@RepairGeek 4 года назад

Parts that I used in this video: Seal: amzn.to/2ZeayBR Oil Slinger: amzn.to/2X5DN75 RTV: amzn.to/2Lyt93x Rear Main Seal Tool: amzn.to/3bGGH7E Help support the channel buy using my Amazon links As an Amazon Associate I earn from qualifying purchases.

@leddhed5480 2 месяца назад

My 2018 Raptor was just diagnosed with a rear main seal leak. This video is exactly what I needed to see. Thank you

@austinbishop7430 3 года назад

You sir have earned another sub. Well done! Keep it up, I had to sub because I unintentionally watched multiple videos with the 4.6. For a good show, a like too.

@harrybobb6764 2 года назад

Very helpful for fixing my 97 Ford F-150 with a 4.6L Triton

@zeeza7 3 года назад

I am getting a used transmission put into my car today .... the mechanic is saying that my rear main seal is leaking ... hopefully he can get it fixed without costing me too much $$$$ ... now I understand what he has to do ... thanks man ...

@MickE98 4 года назад

Thanks.Timely video,my throw out bearing in my gt just started to make noise.

@rudispruell883 Год назад

Well done vid. Very informative. Thanks!

@Mercedes-Guru 3 года назад

Thanks for this video. It was very helpful.

@j.w.7688 3 года назад

Excellent presentation!👍

@j.w.7688 3 года назад

Excellent presentation!

@maurosgarage 3 года назад

awesome video and great camera work!

@sunriserepair7006 Год назад

Excellent training techniques. Ty

@pierrelowe405 2 года назад

Just what I needed to see.

@SladeStone50 4 года назад

You are a God!!! Thanks for the vid.

@RepairGeek 4 года назад

No, I'm just a guy in a garage but, thanks for watching lol.

@bentnickel7487 2 года назад

Thanks for this video. I drive a Ford, none with these engines, but I still appreciate your explanation.

@Michael-hg1qw Год назад

I used to go through rear main seals. Finally had to switch brands

@simono.9047 7 месяцев назад

Great job Sir👍🏻

@MikesGarageRoute66 3 года назад

Very good video on the oil slinger. It has always been a mystery how it is installed.

@danielmillard3762 2 года назад

@Tom Smith yeah I have kind of the same question, at 2:50 into the video he pops something loose then at 2:54 to me it looks like he reaches up and pulls off the “oil slinger” is what I thought, then as the video goes on he put the cover and seal on and then he said the oil slinger goes on so I’m a little confused

@LehewTech 2 года назад

Thanks dude

@Trinergy-Livewire 2 года назад

Right on time!

@frarey17 4 года назад

Great video, do you know what would happen if I think i pushed the real main seal too far back?

@elliotfrank119 2 года назад

Thank you for this video can you let me know if you know what the round black rubber seal/gasket is to the left of the crankshaft?

@barryhowards256 День назад

I saw somewhere else at the bottom two bolts coming from the oil pan are torque to 50 foot pounds, not 15. Can you confirm?

@101lwc 3 года назад

The mail seal doesnt rotate, but the oil slinger does becasue the slinger has a tight fit onto the crank shaft. Is it OK if the back surface of the slinger is rubbing on the main seal or is there suppose to be a gap? When installing my two peices I taped on the slinger to seat it and it may have pushed onto the main seal. Thanks for your help, video was helpfull

@malonebonestir 4 года назад

Thanks for the previous response just need to know if I need the shim with the tensioners? w engine code 2005 ford crown vic. you have some of the best repair vids out there!

@stevenromero1801 2 года назад

Does the oil slinger sit flush with outside of the cover? Or is it recessed slightly?

@JDG022664 Год назад

What do you do in the event the drive shaft has a groove or is warn with an irregular (oval) shape?

@bewilliams9 Год назад

Does the catalytic converter need to be taken out too, to get to the rear main seal on a 98 for explorer sport?

@LuisSilva-eq9qf 3 года назад

Hello, I’m trying to get a oil slinger like the one you’ve posted above and I enter the fitment of vehicle (03 GT) and it says it does not fit. Any tips? Or help where I can get the correct one?

@63Seddy 3 года назад

The seal u have is. Teflon seal so no oil is imused and the tool is for help sliding it over and they are all 2 piece seals now. They have the dust lip installed on seal so oil slinger isnt required

@scottmartin8888 3 года назад

Just brought our 04 mustang to the shop today because I noticed the rear main possibly starting to leak. The mechanics said it's only "sweating" and as a friend he said he wouldn't put that kind of money into the car right now- it's 22 hours of labor, so in the end it's like 3 grand 😆 so I'm just gonna be monitoring oil levels, but at least it's not bad yet, sucks how much it costs. Getting a subaru head gasket done, is about the same price.

@RepairGeek 3 года назад

22 hours seems awfully high.

@davidg121294 Год назад

I hope you found a new mechanic, just did this on my 2001 Ford mustang cobra, it's not 22 hours even for a rookie with right tools lol

@Ty_Cade 2 года назад

Does this apply to the 4.2 Manuel

@burnout245 Месяц назад

The piece at 2:49 that comes off, is that part of the seal? Of more like a retaining ring?

@ryanlegois9075 Год назад

My housing in the only thing that looks like it seaping but not sure but can I just replace the gasket for that and not remove the seal from the cover

@martinj929 15 дней назад

Why do you have a link to Permeated Ultra Black but you use something else that’s gray?

@sick370zvlogs 3 года назад

Hello, after installing seal with plastic, did you just pull that plastic out? Without disturbing the seal? Thanks

@RepairGeek 3 года назад

Yes exactly.

@EyeDeck 5 месяцев назад

I decided to replace the rear main seal on my Crown Vic while I had the transmission out, since the car's going on 17 years old. I uninstalled the rear main seal retainer plate from the engine block, and was surprised to find no trace of RTV or anything else that obviously passes as sealant between the two parts. Just bright shiny aluminum on the plate, and an extremely thin yellowish film of what looked like maybe dried up motor oil on the engine block. How the engine was not profusely pissing fluid from the back is beyond me. I can't tell for sure if the rear main seal or oil slinger had previously been replaced, since they were both Ford OEM parts. It might explain why the previous owner had been filling the engine with 10W-40 (based on a some maintenance records that were in the glove box) instead of the mfg recommended 5W-20, in an attempt to slow a leak? Weird, right? Anyway, pretty easy job if you've already got the transmission out of the way. Thanks for the video.

@CC-gs5du 2 года назад

Hi I have a 1992 grand mercury marquis LS how much will it cost for repair main seal oil pan gasket front crank seal transmission leaks 125,000 miles

@dkrawk8309 3 года назад

well, thanks for the video, but i mean.....once tranny is out, its smooth sailing. another note, have all kind of figured out, that on those engines, mine if f150 5.4, do whatever BUT what ford recommends? good work though man.

@j.w.7688 9 месяцев назад

Your shop wouldn't by any chance be located somewhere in the southern California area, would it? I have an 01' Excursion with 6.8L V10. I want the Rear Main Seal as well as the Oil Pan replaced. Well done vid. 👍

@jonathanaranda4369 2 года назад

Hey man just wanted to know is this the reason why all my tranny fluid leaked out of the plastic cap on the bottom of the tranny on my 2008 5.4l AWD F 150?

@MillennialDad92 Год назад

What do you do with the plastic sleeve after you get everything in place? Every video I’ve watched says nothing about the plastic sleeve. Do you leave it in there? How do you get it out without messing up the seal?

@RepairGeek Год назад

Just pull it out.

@eirannehooie5951 4 года назад

Question. Can I take the oil pan off of a 04 mustang mach 1 while doing this?

@joshisham5582 3 года назад

yes, but it may require some engine lifting. my 03 gt has the same set up as the mach 1. it’ll require some wiggle room to come out

@slaughtertwo 3 года назад

Sure the difference I'm seals also one is teflon and one had a spring. The teflon is a better seal but not forgiving like the other one.

@malonebonestir 4 года назад

This question is related to an older video, 2005 crown VIC 4.6 2v . is it ok to replace the non-ratchiting tensioners with the older ratcheting type?

@RepairGeek 4 года назад

Yes those will work fine. They usually hold up better as well.

@malonebonestir 4 года назад

Thanks! I was worried about the ratchet keeping too much tension as I have read but I believe that's just for the race cars. btw, great timing chain video!

@ceansilorcaso5820 Год назад

Great video, this looks like a very expensive job if you want to be done by a mechanic.

@xGreg8 2 года назад

Why did you used Fel-pro seal instead Ford OEM?

@xGreg8 Год назад

@@PietriGuitars Thank you

@wixlongshot_x5187 2 года назад

Wouldn't you have to lube or oil up the seal and plate hole first? I see others do lube but you don't in the video? Will putting in dry affect it badly is what I'm asking ig lol?

@RepairGeek 2 года назад

This Felpro seal that I'm using is designed to be put on dry. I've had no issues with this seal 18 months later.

@That_Black_Menace 2 года назад

@@RepairGeek I have to do my seal I think it's the issue. Oil coming out of the home in the bell housing. Is this something I can do on jackstands or do I form out the money and have a shop do it? I'm not even sure if its 100% the issue

@kcretired1032 3 года назад

Thanks. You show where the rear main seal leaks between the rear of the oil pan and front of the bell housing. I have oil on the 2 rear bolt heads of the pan and the lip of the pan. However when I pull the inspection cover off the bell housing I don't see oil inside the bell housing, nor does the Flywheel have oil on it. DO YOU SEE Oil inside the Bell Housing when the Rear Main Seal is Leaking??? Which makes me believe my oil leak is forward of the rear of the oil pan. I do see oil on the air conditioner compressor rear lower mounting bolt. I changed the Oil Filter Adapter and Gasket, and the Oil Pan Gasket and still see oil leak. Plan to do the timing chain job and rocker followers, so maybe the timing cover gasket, valve cover gasket or crankshaft sensor is leaking?

@sbramel93 10 месяцев назад

Passenger valve cover gasket leakage is common on the 5.4

@kcretired1032 10 месяцев назад

thank you, I am hoping that is it, will fix when I do the timing chains.@@sbramel93

@danielmillard3762 2 года назад

I’m working on my motor so I have a question at 2:50 into the video looks like you use a screwdriver and pop something loose, But then at 2:54 you reach up on the end of the crankshaft and you remove something off the end of the crankshaft,what was that item cause this point the rear cover and seal are already off the back of the motor, I thought toil slinger helps deflect oil off the ends of the rear main seal from the inside?

@RepairGeek 2 года назад

The cover came off. The seal stayed on the crank. I pried the old seal off with the screwdriver.

@James-qq2vq 10 месяцев назад

Don't have the ability to tackle this in my own house so I paid to have somebody do it. It's come back twice with the same oil leak. I don't know why but I'm going to give them one more chance and then take it to the dealership if it's not done correctly. The dealership fees will obviously be paid by the first shop one way or another.

@lenzieadams5185 3 года назад

Where are you located,I need that work done on 04 mach1

@RepairGeek 3 года назад

Akron ohio

@markme4 Год назад

How much would a dealer charge me to do this?

@Askchrisbruh 3 месяца назад

The trans gotta come out and that alone will be 1000 or more in labor

@wolf3five 2 года назад

Is this all so for the 5.0 because that's what's in all mustangs

@RepairGeek 2 года назад

No. 1996-2010 model V8 cars had 4.6s or 5.4s

@gsdtdeaux7 4 года назад

How much did u increase your torque value with that length extension?

@RepairGeek 4 года назад

Thats a old wives tale. Extensions on impacts reduce torque. If you are applying a CONSTANT torque with your hand you get 100% transmission of torque. There are video demonstrations of this on RU-vid. Thanks for watching.

@DTM209 3 года назад

Same process for automatic 2001 4.6 mustang? Thank you in advance!

@cheeko_914 3 года назад

He literally just said it works with all modular motors. Did you not watch the video?

@mooosestang 8 месяцев назад

Ugghhh! looks like a pain. I'm replacing my clutch at 59k miles and if that joker ain't leaking then i'm not doing it. I could be dead before i put another 60k miles on this car.

@DmndMn-cn9lp 3 года назад

Only 89 inch pounds?! That’s crazy

@jimf4754 2 года назад

Man I just discovered I have to do this

@dillondeckard5224 Год назад

Same here, thought about taking it to a shop. Then I heard the price and was like yeah time to do some research 😅😅

@jimf4754 Год назад

Find someone with a lift

@rev.lazarus906 Год назад

Why do you think a rear main seal would leak on a 17 year old e250 4.6 with only 107,000 miles?

@RepairGeek Год назад

It's 17.

@rev.lazarus906 Год назад

@@RepairGeek let me rephrase that. What's the average mileage/year a main seal on a ford modular engine starts to leak?

@RepairGeek Год назад

If you have the transmission out, just replace it. It's 17 years old. If it's not leaking don't worry about it until it does.

@Hornet-vh6fv Год назад

nice video man... I have a 06 mustang gt 5 speed and my seal is leaking what is a fair price to repair it

@TheRoguelement 3 года назад

Dear Bro....I'm pretty sure that so called Plate ! Is called the rear seal retainer but who knows ..maybe they changed it to the plate ....and finally you never said a single word about the pitfalls of installing ANY seal dry so we never witnessed you lubricating the Crank hub or the new seal and if you do install it dry you will shred that seal the moment you turn the key ..And you never bothered to say a word ...

@davesweigart8672 3 года назад

That should have been specified but you are also leaving out that PTFE seals need to be installed dry, they will leak almost immediately if you lube them.

@joegarcia4313 Год назад

What the heck torque the housing first No Sir eave the casing loose install the seal then torque you read wrong

@RepairGeek Год назад

3 years later... No leaks.

@liogonzalez8813 6 месяцев назад

Mahle seal is of much better quality

@RepairGeek 6 месяцев назад

Nearly 4 years later... No leaks yet.

@ThotamasPrime 2 года назад

U might as well get red of this mustang Gt

@chriss4365 3 года назад

And then you cant use your truck for 3 days while the rtv cures.

@RepairGeek 3 года назад

Cure time is only 24 hours. It's mostly dry by the time you get the trans back in realistically.

@chriss4365 3 года назад

@@RepairGeek I was being a little sarcastic lol. Any idea what this would cost and do you have to drain the tranny fluid. I wish you would of showed removing the tranny.

@RepairGeek 3 года назад

@@chriss4365 without knowing the book time for labor I'm not sure. Price will vary by application. A truck with a transfer case will be priced different than a stick shift. I just depends.

@chriss4365 3 года назад

@@RepairGeek its a 97 f150 4.6 v8 similar to this in the video.

@kubotaman85 3 года назад

4.6 and 5.4 are V8 engines not V10

@foytsgarage2085 2 года назад

Yes, I'm sure he was aware. He just didnt say v8 after every liter designation because the 4.6, 5.4, and 6.2 all are modular engines that use the same seal.

@kubotaman85 2 года назад

@@foytsgarage2085 It's the way he said it. He should have reworded it better.