Ford F250 4x4 - Vacuum Hubs NOT Engaging

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In this video Eric O. has a look at a malfunctioning ESOF (electronic shift on the fly) 4 wheel drive system in this Ford Truck that is equipped with PVH (Pulse Vacuum Hubs) So come along and see if we can find out why the front hubs won't lock in!
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Disclaimer:
Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not South Main Auto Repair.

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Опубликовано:

9 янв 2017

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Комментарии : 894

@jackbramlett4123 4 года назад

I was a Ford shop foreman 10years that was enough Ford but an engineer did show me an easy driveshaft balance with a hose clamp on the shaft but not completely tightened, Jack stands under rear axle, someone in the truck running the speed to optimize the vibration. A second person with a piece of heater hose taps the clamp until the driver beeps the horn when the vibration is gone. This an approved repair.

@CopCat34 5 лет назад

Great video. Thanks for showing all of the steps. I really appreciate you showing when you temporarily forgot to check the other side for a vacuum leak. Makes the video stick in your mind. Thanks again.

@rayeddy528 7 лет назад

Eric , thank you for allowing me to watch you perform your gift , Sir !! Be safe and God bless you and your family!!!!

@bigbigbigbigbird 6 лет назад

I would just like to take a second to say you are completely awesome, thank you for video, my vacuum line was broken and now me and my wife can go and play in the snow with our 4x4. Thanks

@richardmikolajczakjr5016 7 лет назад

I've done those a few times and installing that seal without the tool isn't fun and even with it you need to just take your time hats off too you Eric you make my days so much more interesting and look forward to what's in store for me everyday. Keep wrenching my friend

@crjcwoods 3 года назад

Thank you for this insight. We have this same truck, but a 99 with 420,000 miles on it and you led me to the broken vacuum line at the hubs, fixed and they work like they should. Five minute fix. Awesome!

@matthewyates3230 2 года назад

I have watched plenty of videos on the wheel hub and bearing assemblies. Your video is so in depth and explained so well in detail, I can just about picture and understand all the working parts of the assemblies by memory alone now. Great video. thank you

@richardvasquez5025 2 года назад

Man I want to say thanks. You answered all my questions in one video that I couldn't find in 4 other videos. Very detailed and all the proper zooms in needed. Thanks man

@livalittle100 7 лет назад

Eric, your'e amazing! Thanks for the videos. Just wanted you to know how much we appreciate what you do.

@halleffect1 7 лет назад

i learn something new every time i watch an EricO vid. i would have never thought to use a smoke machine to test for a leaky seal.

@SouthMainAuto 7 лет назад

Use the smoke machine for everything!

@axelwittersheim7787 3 года назад

Excellent videos on the F250, all the way from start to finish on ball joints, axle seal replacement and tie rod ends. Appreciate the detailed info on tools required for the job! Nothing worse than getting into a repair and not having what you need. Did need to cut a couple pieces of three inch pipe for the ball joint install, tool from HF didn't come with all the sizes but still worth $100

@nikefutbol13 6 лет назад

I've been watching your videos for a long time now and I never realized you are so close! We're right in Bloomfield. I'm definitely going to keep you in mind.

@arthouston7361 5 лет назад

This is a good lesson for every tech to stop, step back, and review everything before you commit to a completed diagnosis.

@baxrok2. 7 лет назад

Good stuff Eric. I attempted to help my nephew troubleshoot the vacuum hubs on his Ford truck over the phone a couple of years ago. Now I see why it was such an epic fail! Thanks for showing us how it's done!

@SouthMainAuto 7 лет назад

Some are even a little different from year to year so be careful

@alexderus7480 4 года назад

Super interesting video. Didn't know a whole lot about 4WD systems. But if anyone's wondering, those seals that rotate inside themselves are called "labyrinth seals". Pretty neat parts on their own.

@pskauto6798 7 лет назад

Nice video Eric , love watching them as shop owner , a tech , fellow RU-vidr, AND A subscriber

@IronAntOilpatch 6 лет назад

Holy shit! What a perfect explanation of a system I sit on every day; had no clue about and my bills rely on my truck. Thank-you and please keep going!!!!

@4b131 4 года назад

Love the humility, all tech's at one time or another have the brain fart!

@danepollett3237 2 года назад

first time I've ever left a comment on a video, but this vid was so well done that I had too. Had similar failure of autolock hubs not engaging on my 2002 F250SD...the vacuum gage readings that the author showed in his video were critical to figure out what I should be seeing on my truck. I was getting vacuum at the wheel ends of the vacuum lines when selecting 4WD in the cab, so it showed my solenoid was operating...it was just low, only around 4" of Hg or so...this vid showed me I should be seeing around 20". Poked around and got around 20" of Hg at the inlet of the solenoid (red hard plastic line) and was only getting 4" of Hg at the solenoid outlet (black hard plastic line)....replaced solenoid and vacuum immediately went to 20" downstream of the solenoid valve. 4x4 worked. Thank you!!!

@RAY-gt7cp 6 лет назад

Great job! You did an excellent job explaining the process. I'm a mechanical Engineer and a do it yourselfer, but I think you convinced me to take my truck to a qualified mechanic. I don't want to spend the money on that tool.

@tinknal6449 2 года назад

O'Reilies has a tool rental program. Not sure if they have this one.

@ThatGuysChannel4Whatever 7 лет назад

TLC has "How it's Made".... RU-vid has Eric O's "How it Breaks." Always good videos, brutha.

@mustafamustafa-jc8ym 3 года назад

صض

@johnb1121 3 года назад

What video where is it please???

@Nymi5 7 лет назад

Great video again ! I am parts guy here in Finland, I sell US car parts (GM, Mopar Ford+Speed parts)here in Finland and this video was really helpful to me because now i understand how that system really works and what are the weak points. So it's easier me to sell right parts to customer. Thank´s again !

@powershop1903 4 года назад

You're the man !

@63256325N 6 лет назад

That vacuum system is a complete nightmare! All to save a guy from climbing out of their truck for 20 seconds and turning the lock outs. Fine job find and fix the problem though. With as fast as they wear out one could go broke feeding that thing seals! Thanks for the video.

@batard 7 лет назад

Love these videos, Eric. I'm looking forward to more in the near future.

@Racerboy535 7 лет назад

Great vids, thank you for taking the time and energy to edit and load these helpful videos.

@fatherturtle 6 лет назад

excellent video, i have a vacuum leak but never thought about putting smoke in the knuckle to find out where it was leaking. After seeing how to replace the seal i think i will just twist the hub when i need 4-wheel drive.

@vipervette03 7 лет назад

Eric, We need more Ms. O please!!! She brings a feminine touch to SMA baby!!! 1, 2, BBQ!! Love the videos, thank you for the education!! Rock on brother!

@nfb615 5 лет назад

Couldn't imagine living somewhere where the rust will ruin a otherwise good vehicle. My 06 f250 with 220k still doesn't have rust. Love this channel.

@godofplumbing 5 лет назад

Here in New Hampshire, they use tons of salt. The fenderbergs melting in my driveway, actually kills my grass by the run off. Both of my e350s are rotting slowly from the bottom up.

@buddynorville3288 4 года назад

I really enjoy watching your videos... You show things that can happen, we all forget steps sometimes! You get vehicles that other shops can't figure out and you go the extra mile to get it figured out! My hat is off to you!!!👍 Another note... I've only seen one video of your New kitchen at your shop... Does Mrs O still make you those Healthy Meals? Lol... You are a Great Insperation to the auto repair industry... Thanks for Watching!!!

@co1bateman 7 лет назад

another gr8t vid. Learned something today about the ol'4x4 Thanks Eric O, Josh and Hanna

@GregSr 3 года назад

I've never owned a 4 wheel drive and don't plan to. But, I was intrigued to see the inner workings. Thanks Eric.

@MirceaD28 5 лет назад

Great work man. I have learned allot of things from you. You are right, they are designed to fail. They could use a bearing that has the same thickness instead of that seal. Damn that is one bad design.

@colincross2551 6 месяцев назад

One of the best videos i have ever seen, no wonder you are super busy, you are good.

@jimblack8249 6 лет назад

One of the best damn videos for this that I've seen.

@greganagnostopoulos 7 лет назад

Great channel and videos Eric, you put all of these other so called mechanics to shame 👍🏻

@JeffreyStrader 7 лет назад

Eric it is truly beautiful where you live. My wife's family is from New Hampshire and I have visited up there once. Can't wait to be back up in New England...:-)

@TheDisgruntledMechanic 7 лет назад

awesome once again Dr.O! Keep 'em coming.

@PaulysAuto 7 лет назад

Eric, I have driven in the rear hub seal using the larger cones from a tire balancer machine. The size and shape are close to the special seal driver kit you have. However, getting the depth correct is tricky and requires attention to detail! Just need to take note of the depth prior to removal of the axel during disassembly. Great video (as always), I guess it may or may not pay to get the kit depending on how many of these older style trucks a guy really works on. For where I am in MN we don't see many of these around anymore, but I just thought I'd throw it out there for those who are in the field working in a retail shop without the expensive kit available.

@stacydornan9765 2 года назад

Eric is by far the best mechanic on you tube

@jamesp9692 4 года назад

Eric, that was an awesome video. I have a 2005 Ford F350 Super Duty that won't shift into 4WD, thanks for the tips and troubleshooting. I feel that when you beat yourself up for not checking the vacuum on the drivers side that when you pinched the vacuum hose on the driver side and the passenger side vacuum didn't change, I feel that was a good test.

@ericmarvel100 6 лет назад

Good job showing where all the lines are. My auto lock didn't work. Found one side disconnected on mine after noticing that the vent air was switching from dash to defrost on its own when turning on 4WD. Fixed it just in time for snow to fly. Thank you for the help.

@barryschelling9008 6 лет назад

Hey buddy don't beat yourself up for not checking the other side. The video was well done, and better, you are no different than the rest of us. We all make simple mistakes. But I like the fact your humble enough to admit your error and keep it in the video. I would feel confident have you service my 2013 F350. With only 30,000 miles on it. Love the video. Very informative and very well explained. Good job my friend. Barry

@SmittySmithsonite 7 лет назад

I re-installed an old seal on a '06 F-250 just tapping it in around in a circle with a large punch. Nowhere near as quick as having that tool, but, that was the first F-250 I've ever done ... and I haven't seen one here since (not too sad about that, lol). I'd imagine trying this with a brand new seal would be a severe ball-buster, for sure. Luckily the old one was still good. Had to do upper and lower ball joints on the thing. Had to borrow a giant wrench from a shop down the road to finish it too. Was my neighbor's truck, and his brother helped me - was some brute-force labor on that job. Was glad I had help. Can't remember how I got those massive ball joints out, but I remember it being a fight all the way. I'll probably pass on the next one! Rust central ...

@wyattoneable 7 лет назад

I love the fact you include your thought process. Even if it included a near mistake. It came out well so no harm no foul.

@SouthMainAuto 7 лет назад

Yep could have edited that out haha

@RTWGraphics 4 года назад

@@SouthMainAuto Theres 2 people that have never made a mistake. God and liars.

@Prophecy001orEX 7 лет назад

That's cool that you loan out those tools to other shops, I'd be worried I'd never see them again haha

@JacobEcret 3 года назад

Deposit

@rc3140 7 лет назад

Another AWESOMELY AWESOME show from Hunter O😉☕🍩cheers Eric

@bosvids6249 3 года назад

Thanks a lot Eric, exactly what I needed to know. I enjoy getting info. from you. Wish all the best, keep up the great work.

@xoxo2008oxox 7 лет назад

Excellent work on that tube smoke boogie! And please, ignore the whiners that think you halfassed it. I am grateful for your humor, explanation and unbiased commenting. Wow...never realized how beefy that F250 is and yet...vacuum lines look delicate and cheap seal keep SMA in work 😀

@earlyraybonneville1762 3 года назад

Cool video. I like that you caught your mistake and admitted it on camera. It actually put emphasis on how easy it is to make a mistake even by a professional..very cool. I liked and subscribed.

@100Ronster 7 лет назад

Thanks for taking the time to make the video.

@scflooring8658 4 года назад

Love these videos keep them coming you the man Dr. O!

@timcaskey6013 Год назад

Great video!! Very well explained and super easy to understand the process of identifying the issue.

@badmofo350 7 лет назад

lol I was hoping you'd catch that. I was thinking ummm you had both sides isolated, how do you know it's the driver. Glad you caught that before getting farther into it.

@keithmallett7987 7 лет назад

Thanks! That's what's wrong with my 08F350. You make it look soooo easy!

@OffroadTrucker740 7 лет назад

nice video. the repair videos are great. keep them coming. also keep up the snapon truck videos, those are my favorite. its what took me to this channel.

@cordialcortex3841 3 года назад

10:43 My 2004 6.0 F350 Takes forever for the vacuum to drop off of the front hubs. We have been doing the manual turnout method you described by disconn solenoid and turn hubs manually. X-fer still OK. Hey Eric! Rather have you work on my truck, You don't need practice. You got this!

@Chris-L-sr 5 лет назад

New to your channel and I got to say your a guy who loves what he does,

@chungaleta1234 7 лет назад

Great vid. 4WD is a very unknown world for me and watching this was very very interesting. I've never driven in 4WD,

@laredokarl Год назад

Excellent how-to video. Seal tool: On the drive shaft end I used the cap off an acetylene bottle. On the hub part I used the bell end of a piece of ~8” long x4” sch 40 up against the seal and put a cap on the non bell end and whacked it on with a hammer.

@aday1637 6 лет назад

We really enjoy your videos. Don't stop making them, please. I wouldn't worry about forgetting to complete the diagnosis. I'd worry about forgetting your name. That comes later.

@Brownnproud91 4 года назад

Love your videos. Very informative and honest.

@motorcyclesandridingfree2899 7 лет назад

Just to let you know them tools are now under 80 dollars with handle. Good catch on checking otherside as when I was watching I wondered if you were going to check it. Good video

@70ixlr86 2 года назад

As when all is a new idea, every part cost a bundle. Now the entire seal kit can be found on Amazon for a little more than a song. The inner hub seal was amazingly costly back then, and is now in the kit of O-rings. The tool for the specific years, are a must have.

@EricGreniervideo 4 года назад

I appreciate that you videos don’t have tons of cussing like may others. Thanks for not editing out your “mistake” helps me learn more this way!

@charlescastillo8870 3 года назад

Love all your videos, very informative and your unique onhands teaching, speaking of hands you need to start seeing y rhuemetologist, your fingers look arthritic. I've suffered for years with arthritis. It ended my 40yr career as an Auto Body Tech. Keep up the great work. Hello to Mrs O

@seamusmurphy8366 3 года назад

thanks for showing me the tool. i just made one from a trailer jack top. worked minty* used the thrust washers as a gauge to seat the seal to the right depth

@randywalentoski551 5 лет назад

I am glad I found this video because I am looking to buy a F250 or 350 and now I know how the 4wd system works.

@bradleyburdett5361 5 лет назад

Head slap

@davidedwards1639 7 лет назад

Eric after watching all of your videos I purchased a Toyota Tundra because I have never seen you repair one lol. I was wondering if you would do a video on changing the transmission fluid in your Tundra so we can see how to get fluid level correct without a transmission dipstick. Thank you for all the effort that you put into your videos they are the best ones on You Tube.

@mbazzy123 3 года назад

That was an awesome video i learned a lot. Thanks showing us the real thing it helps when I make a boneheaded move !

@ryanborgerding8524 4 года назад

It's a good idea to make sure both hubs actually disengage. Spinning the rear wheels only proves that the transfer case is disengaged. My truck had a habit of disengaging one of the hubs, but not the other.

@jfubele 6 лет назад

Thank you for the video. Priceless!

@MichelleHaley810 5 месяцев назад

Wow! EXCELLENT VIDEO!!! Thank you for all you do!!

@CraigArndt 5 лет назад

Awesome video, great job. Always learning on this channel.

@Hippo0529 3 года назад

Thank you for posting this information, very very helpful!

@rust2985 7 лет назад

Received my SMA sticker today. Thanks!

@brucel.6078 6 лет назад

Damn good video!!!!!! You are a great mechanic!👍👍

@ykmalachi 7 лет назад

you can make that same hub seal driver with a pipe flange and pipe. I just made one a few months back on an Excursion. Cost was $25. you need to grind the flange to fit the hub bore and really take care to not over drive it in or under drive it in. I managed in a driveway and may have shot a video of it.

@mikefinley733 6 лет назад

Very easy to make from 1, 1/2 pipe nipple 10" long, cap, flange turned on a lathe a bit smaller than the seal .

@MrAnythingTech. 3 года назад

Good catch on the other side check. :) Wish we had a good mechanic like you around here.

@charlessim344 2 года назад

if the other side was leaking it would not held the vacuum so you did not need to test the otherside however for my own vehicle if I'm doing the seals on one side I would rather just do both sides and know that it will not fail a month down the road on the otherside. great video and you definitely are a real mechanic and not a parts changer. Good job!

@acmegarage Год назад

Well done. Good job. Thanks for the information.

@michaelvolin9749 2 года назад

Excellent job in narrating. I think my problem is the inner seal. Thank you very much.

@herpnderpn2484 5 лет назад

1973 Pinzgauer I worked on had hydraulically actuated locking differentials and 2/4/6 wheel drive. It was original and still worked flawlessly. No vacuum, no getting out to turn hubs, just pull a lever. I think that particular Pinzgauer is on the set of "Stranger Things" for Netflix right now.

@ydnarslohcin1592 7 лет назад

great job as always. thanks. ive got a 2000 excursion that the vacuum pump that is mounted on the passenger's side under the hood burnt up. The vacuum hose to the hub on the passenger side broke and the pump ran until it fried. Replaced the hose and pump. Which fixed it.

@justinp8946 7 лет назад

Everybody, give Eric likes on his vids please! 👍

@CarlosRodriguez-hb3vq 3 года назад

Great tutorial. The bad news: my auto locking hubs haven’t been working for years. The good news: apparently I’m a better 2wd off-roader than I thought I was

@jaykay8570 4 года назад

Damn, and I've been hating my dodge 2500 vac 4wd system... Sure appreciate your videos-- better than Netflix!

@mjc250 4 года назад

Jay Kay it’s simple and works quite well generally. At least has a lockable option. Saves the front axles from always rotating causing wear and tear on everything else

@denniswilkinson1118 7 лет назад

Thanks Eric that was some good info!

@alb12345672 7 лет назад

Nice work! My 96 explorer has a similar system, but not in the hub. Has selectable 2wd on the Dana 35 in the front with a disconnect. Vacuum controlled with solenoids. Was only used in 95-96, then they went to an "always on 4x4 system.'

@johnfremault2442 6 месяцев назад

The video may be OLD but new to me. I have a 150 with some chatter on the driver's side. When the weather breaks(Illinois winters) I will climb under it to sort all of this out. It's a 2002 model with the 4x4 on-the-fly shift. Maybe with the truck being 20-plus years young, I will just replace all of the hoses just to do some preventive drama. Not sure if you go back to look at the comments but thanks for the fine show that has always been done. Have a great day/week.

@robertsides5808 5 лет назад

the very first thing i did on my ranger with this system is pulled it pitched it installed ridge runner locking hubs work great

@stephanvallee5167 3 года назад

Thank you for the video Eric

@erikharris3329 3 года назад

Great video. Very informative.

@kdautomotive1165 7 лет назад

I found that seal driver on amazon for $70. they have 2 part numbers one for 1998-05 and 05-current

@lanceduer8260 7 лет назад

great video, brief but I still learned something new thanks!

@SouthMainAuto 7 лет назад

That is the point :)

@foggiapainting 5 лет назад

Awesome video, I made my own tool for about $25, thanks.

@laohantun7404 6 лет назад

Thanks mate.....I don't have that exposure much in Singapore.

@TerraFirmaX 5 лет назад

great video on the process. Thanks

@shapzadeh1379 4 года назад

Excellent as always. Thanks

@dannyratliff1847 3 года назад

Thanks got a truck to check for this problem now I got a idea what to look for Thank you .

@richardcranium5839 7 лет назад

i was ready to call ya on that one lol.i think i'd have smoked the other side too. but thats just me. vacuum pump would work too but i like the visual the smoke machine gives.