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HOW TO: Completely Repair/Revive a Hydraulic Floor Jack

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Do you have a hydraulic jack that is slow, doesn't stay up, or maybe doesn't lift at all? There are a few EASY CHEAP things you can do to bring a floor jack back from the dead
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We hope you enjoyed this video and will keep in mind that all information included is intended to be purely academic and in fact is only the opinion of D&E. We are not professionals, nor are we qualified to knight you a professional. D&E want to ensure that anyone modify or fixing their own vehicle does so in a safe manner which leaves the vehicle in a legal, roadworthy state. In short, DON'T BE A MONKEY WITH A TOOL BOX! If you don't know what you are doing, leave it the professionals!

Опубликовано:

27 авг 2024

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Комментарии : 179

@michael-si9xs 5 лет назад

1st step, Degreaser and a stiff bristle brush, followed by a power washer, makes for a clean job before and after, great video.

@921aa 4 года назад

Jack Mfg. instructions for bleeding is: remove filler plug open release valve and pump handle several times. Replace the filler plug and you're done. Firstly of course make sure the jack is full of oil.

@tamimcminn2715 Год назад

Thank you for sharing this. My husband took care of all this stuff and since he passed away it was left to me. I was able to fix his floor jack nicely thanks to you

@seanfried5583 5 лет назад

Don't cut the tip off the oil, poke through the top with a pick or a needle. It will be a slower and more precise pour. Less messy.

@philchvz18 4 года назад

They usually come with small holes already lolo

@jsmith5443 4 года назад

Cool thanks.

@travisray139 2 года назад

NOW ya tell me.

@iantsears 5 лет назад

Nicely done. Key takeaway from this vid... jack it up to top it off again. The reservoir fluid fills the cylinder and makes room to put more fluid in to bleed the air out. Anyone can miss that important step.

@iantsears 5 лет назад

It's why jacks raise to a point and no further... not topped off and leaves air in the system. Hydraulic fluid is a non-compressible fluid. Air is HIGHLY comressable and ruins the efficiency of an hydraulic circuit.

@dagger1430 4 года назад

I have had a similar floor jack,I picked up at a yard sale for $10.The seller and myself thought it was broken.This thing is a beast of a floor jack.Thanks so much for the information on refilling it.

@johnjude2685 4 года назад

As a Black Smith I'm saying only bend the spring steel while orange color , that cracking is stressing the steei Best heat to orange three times let cool in ash or near heater After third cool down reheat to orange and bend to shape reheat to orange and dip in oil (veggies fine). Thanks for showing

@winganly3249 4 года назад

Yes helpful. I just saved $60 bought a repalcement pump jack and watched this tried it, loosened the srcrew to check oil, heard the air come out and retightened the screw- presto success. thank you for posting!

@timmain3142 5 лет назад

Worked on both my Craftsman floor jack and my hand operated hydrolic log splitter. Thanks

@josephfine3394 4 года назад

When you're in the scrapyard, you can usually find a similar old jack, and remove the spring from it. WD40 isn't a lubricant, it is a solvent. Nice clear video, thank you!

@DEInTheGarage 4 года назад

Good call! How did I not think of that?! Thanks bud

@borismospan8214 4 года назад

it was a silicone wd40 product, new line of ' lubricants' I saw for the first time in australia

@philchvz18 4 года назад

I'm having trouble with mine, cant get the gears to move so the jack will be able to hold a load???? What am I supposed to do at this point? Probably just buy a new one??

@josephfine3394 4 года назад

@@philchvz18 A good penetrating oil is automatic trans oil mixed with acetone. That might get it loosened up if you keep it soaked for a week or more.

@harryv6752 4 года назад

Thanks for the clear and simple video. Needed to service mine I've had for about 15 years now. Your vid totally helped.

@armandorios4032 5 лет назад

Good video brother, thanks for not cussing while making this video, many people now days cuss when they’re making videos on RU-vid; I guess they don’t care if there is family around while we are watching these videos on RU-vid specially around little kids; they probably don’t even care about their own families or kids.

@DEInTheGarage 5 лет назад

We certainly care about whether or not our content is family friendly and have dedicated ourselves to leaving the strong language off camera. We want our videos to be suitable for all ages in the hopes some of the younger generations get hooked on working in the garage as we did. It is important to us that these traditions get passed down. Thanks for the comment!

@victortrujillo5645 5 лет назад

Thanks for the video, helped me get my jack back to normal. I did just what you said not to do before I saw this piece.

@drbahb1 4 года назад

Happy that I found your video. This is exactly what is wrong with my floor jack, air in the system. Easy fix. I learned something new today.

@DEInTheGarage 4 года назад

Good luck with it!

@sbaisden100 4 года назад

Dude: Helped me fix my Motorcycle Jack today. Thanks for doing the video.

@DEInTheGarage 4 года назад

Glad it helped!

@davidbrick626 5 месяцев назад

Should have thoroughly cleaned off around the seal before removing it. But the video itself is very clear, very simple to follow, and you’re only talking while doing the work. Well Done!

@BartHull 5 лет назад

Thank you for such a detailed video. I have a old jack that is going to get this treatment. It was almost tossed out.

@waltercooling8907 5 лет назад

Very instructive, practical- love the cowboy tune....

@INTERVENTIONALRADIOL 5 лет назад

Thanks for the video. I have the same jack from Craftsman that I bought in 1986. Still working great. Now I know how to do a service on it.

@DEInTheGarage 5 лет назад

Yep.. takes about 20 minutes and it is like new!

@nysledge4669 4 года назад

Thanks for the video. I put fluid in behind the handle and my jack obviously still didn't work. Found that plug forward of the handle and sure enough, I have my jack working again. You easily saved me $150. Thanks!!

@iowafoxoutdoors_8838 4 года назад

Great video! I recently found 3 old "junk" floorjacks here on the farm. Everyone threw them in the metal scrap pile. I now have a nice old school MACK trucks SUV, Truck floorjack that works like new now. I always had trouble finding a good one for my high in the air truck. Not no more. Also if this one you have ever does fail. You can get a GREAT 3 ton floor jack from Harbor Freight. They have the Daytona model one and they are top notch and the same that Snapon uses.

@DEInTheGarage 4 года назад

Those jacks are likely stronger than anything on the market today. good luck with them!

@jtmoffroad 5 лет назад

Great vid! Ive added oil to jacks before but that’s been about it. I really need to take better care of mine. It’s rusting away from brake bleeding sessions gone wild taking away the paint

@DEInTheGarage 5 лет назад

dude.. truth! I am pretty sure 75% of my tool failures are because i am an animal when it comes to brake fluid. ratcheting wrenches, socket wrenches, jack stands...

@lakestatebullies7391 5 лет назад

Yes u can use hydraulic oil in a "hydraulic" jack best stuff I found is cold weather snow plow fluid.

@duanecjohnson 3 года назад

Generally AW-32 or ISO-32. Dont use the thick stuff. redrok

@energyrichflyboy 3 года назад

Bad habit of not cleaning everything first. The grit that is being held from the old grease is still there. Also, you ran a sizable risk of getting dirt and grit in the fill hole. One more, you should always lube the spring you altered to keep the arm up. The sides of the coil constantly rub against each other.

@jessicanelson6954 5 лет назад

Thank you. This video helped us fix our issues with our jack. It really does work

@DEInTheGarage 5 лет назад

Glad to hear it!

@ES-lo5ww 4 года назад

When you pour the oil in don't forget to put more dirt in with it, it improves the oil flow through the orifices inside the jack. If you going to do a video about a floor jack service at least do it right. Clean around the fill plug before you open it!

@ChazzCoombes 5 лет назад

Love the adam sandler phase from happy gilmore, lol. Good vid

@fastmph 2 года назад

Excellent job! Your presentation is very good.

@truckmetal2341 5 лет назад

Love the Gadsden....

@DEInTheGarage 5 лет назад

Heck yea buddy. Liberty over everything!

@ClickClack_Bam 4 года назад

From the 412? Buy you a beer sometime thanks. I think this helped me figure out why my jack only goes up halfway then stops. It's got to be fluid.

@HB-yq8gy 3 года назад

Thank bro, I really appreciate it. I got the same older Sears jack will try to fix the jack not holding up.

@TheBeardedJeeper 5 лет назад

Great video! I need to do this to my jack it needs oil bad. And now I know how

@rlerma8730 3 года назад

Same symptoms with my circa 1983 Craftsman 1 1/2 Ton jack. Found the plug and will refill and bleed. No obvious leaks, just used and abused.

@broken1965 5 лет назад

You should bleed with valve full open first pump 10x. Any cylinder jack that sits needs to be bleed this way before use. I work for SPX hydraulics

@BigGLittleo 4 года назад

Thanks for the video. Very helpfull.

@donnabrown4816 4 года назад

Great info, Love the sweatshirt

@Cougar1212 5 лет назад

Wouldn't dipping the hot coil spring in cold water/oil quickly cooling it, get it back to its original "tempered" state? And work like a spring again? Slow cooling bad me thinks. Appreciate everybody's garage tutorials.

@davidbrick626 5 месяцев назад

If you quench it in water it will probably make the steel too brittle and it will break again. Try quenching in oil. It will take a little longer, but will keep the steel more ductile.

@henrikjonsson4340 4 года назад

Thanks! A jack can have bigger problem. Like inside the cylinder and it is needed to service it with a kit.

@briandavis4442 5 лет назад

Someone gave me a Craftsman Professional jack(chinese). I brought it home, lifted it in 3 pumps, let it down. Next morning looks like atf all over the ground. So, how do I flush out all the fluid? I realize I need to replace all seals. I hate to throw it out. Thanks

@MattSeals 5 лет назад

say thanks to so a lot for your video it aids a great deal.

@NN-cw9rb 5 лет назад

I dig the happy Gilmore reference

@fuyou1999 3 года назад

Great video!

@nighttrain022 4 года назад

I took my original to me Sears Craftsman 2 ton jack handle apart and my bolt also had this sharp edged piece of metal from the lock washer friction that dug into it. That sure could have torn some flesh off one's finger if not careful.

@michaelanthony8780 10 месяцев назад

Blow the dirt off the fill area with compressed air before taking the cap off!

@markyeager3341 4 года назад

Should clean the area around the filler hole before removing the plug.

@randyearles1634 5 лет назад

thanks, good video

@mohabatkhanmalak1161 5 лет назад

Nice one and thanks for the tip about the location of the refill hole. My only concern is that the area around the refill hole should have been cleaned before refilling. The dirt there could fall in with oil and make its way to vital internals.

@walterburaconak6260 5 лет назад

You dah the man!

@DEInTheGarage 5 лет назад

No, you dah man! ;-)

@pastorevangelico5541 5 лет назад

I have a floor jack, bought in sears, but need the address of some store to buy the stamp kit and Oring and the repair diagram, thank you very much and I await your response. God bless you.

@totalannihilation9065 5 лет назад

So the screw where you filled up is that the cylinder? I guess what you're saying is don't fill in from the reservoir bolt?

@DEInTheGarage 5 лет назад

That is correct

@ajchien 4 года назад

The plug he is removing at 2:09 is the reservoir plug, the fluid he puts in is going directly into the reservoir. At 1:38 he is pointing to a flathead screw, which is the overload bypass valve. It probably originally came with a cap or sticker that said “do not adjust”. It’s a safety mechanism to prevent any damage from overloading the Jack. If the Jack capacity is 3 tons, and you try to overload it by trying to lift 3.5 tons, a valve underneath that screw opens and any attempts at pumping the handle will result in oil going right back into the reservoir, not going to the main ram cylinder, so that jack won’t even try to raise the load. Basically the jack knows if it’s being overloaded and will protect itself (and the user) through that valve. If you mess with that valve, you screw up the setting of the safety mechanism. therefore, “do not adjust”.

@extorter 5 лет назад

i did this today. seems to operate more smoothly. only thing mine is still dropping too fast when releasing the jack

@MassiveLoop 5 лет назад

Did you find any resolve to the fast drop? I'm afraid mine (old Arcan steel blue 3 ton) will still drop too fast(its a turn handle release) as I need to graduate my use from using stands to not kill myself in the event of jack failure to actually putting the car on stands. I'd think cleaning and re-greasing the external mechanism controlled by the handle would get that back but your comment gives me doubt now. I'd really like to avoid replacing as this Arcan was over $200 new.

@extorter 5 лет назад

@@MassiveLoop no i never messed with it anymore after that. it definitely still drops too fast. not sure wtf is going on :/

@doggod281 4 года назад

Thats the adjustment screw that says do not adjust is for just that

@kronk358 4 года назад

Less than half a second into pouring: "woah, this thing is taking a lot more than I thought it would!"

@brianbradburn 2 года назад

You can order a new spring from ebay for between 5 and 10 dollars. You can also get a new rubber filler plug.

@BooBooJonez 5 лет назад

Grease the plunger slide pin at the top.

@waynetaylor11 Год назад

The two gears that turn when you turn the handle do not turn. Is there a way to get them to move. Can they be lubed somewhere?

@VirgiliusRomanus 4 года назад

Million thanks.

@jamesmesser4621 5 лет назад

I have an expensive floor jack. When I put pressure on it jack oil shoots out around the rubber plug. Help please.

@Babybeast4357 5 месяцев назад

“WD40 will rust horribly after it dries up!” the silicone is a good lube for the jack

@Josh-nf1il 4 года назад

Split ring == Lock washer.

@alfredweaver5390 2 года назад

I have a 2-1/4 ton floor jack with no data plate. All I can tell you is that it’s a heavy duty and it’s orange in color. How can I find the right repair kit?

@okstever 4 года назад

Been using baby lotion most nights but I'm switching to jack oil for sure now.

@bolerdweller 3 года назад

Watch out, it says stop leak on it. Too much and you may keep jacking and nothing happens

@bobpoggi6220 2 года назад

the problem that I have is the handle will not twist to lower the jack. Any ideas.?

@carlonemeno5600 5 лет назад

I mistakenly loosened the slotted fill hole (the one that you're not supposed to touch) thinking it was the thing that let the air escape when bleeding. Is the my jack messed up now? I tried tightening it again, but I am not sure if I permanently messed/de-calibrated it.

@DEInTheGarage 5 лет назад

You should be ok, just do a really good job bleeding it

@haroldkleever8213 3 года назад

Do you know what websites to order the seals an stuff for the jack mine doesn't have a name I bought mine in 1995 an there is no numbers on it either

@techgeek80 4 года назад

Hey. I have a harbor freight floor jack that is very similar in design to your craftsman. I can NOT turn the handle anymore. Any ideas? It works. Jacks up. But I can’t turn it to release pressure. I’ve troubleshot the problem to being the handle not the piston or gear. I can release pressure by letting out oil from the (don’t touch) bolt instead of the “fill rubber nipple”. Or with a wrench to turn the bottom gear. Using WD-40 to try to break the seize. So I’m very confident its right where the handle attaches to the jack. Thanks for any help and ideas.

@homebrew9893 5 лет назад

Thanks

@edwinleach7401 3 года назад

Got it.

@pistolpete007 4 года назад

So I made a mistake and removed the small screw in the rear thinking it was the fill plug and the gear came up and I can't get it back in. Do you know to get the gear back in?

@jezztech 4 года назад

steam clean it first then apply degreaser then steam clean again.

@FrankSchwarzfree 5 лет назад

Just the tip...That's what he said....

@TrapperAaron 4 года назад

Just the tip and only for a min. Works for me every time!

@MrSamBowers 4 года назад

What is the diameter of your pump piston on your Craftsman 3 ton floor jack?

@DEInTheGarage 4 года назад

Honestly not sure. I will have to check

@oby-1607 4 года назад

If ATF is corrosive, why do we use it in our transmissions.

@z512345 4 года назад

Great job, but you should have cleaned it first with brake cleaner.

@luismjaramillo3756 5 лет назад

how about you clean it before removing that seal jajajaja

@KarlsLabReport 4 года назад

luis m jaramillo indeed, dirt is the worst enemy of any hydraulic system!

@bwagenberg 5 лет назад

What about the surface rust on the pad and elsewhere? Should it be power washed before filling etc?

@DEInTheGarage 5 лет назад

Yea, try to wipe it down if you can

@billsmith2041 4 года назад

Okay...I did this with mine...and I put in a bit too much fluid, and it caused that rubber cap to pop off, and now I cant find it.

@jaredpaulsen3 5 лет назад

Don't worry... I always cut towards my thumb, not my chum!

@afgdoncorleone4010 4 года назад

Thanks Man great video made a subscriber out of me.. Lol

@americanbadass05 4 года назад

probably flushing the old oil out is also a good idea

@TheXopony 5 лет назад

My 3 ton jack is 2 years old wont began to lift . added a bit of oil , stil wont even try to llift .

@DEInTheGarage 5 лет назад

Did you try bleeding it for air?

@TheXopony 5 лет назад

@@DEInTheGarage Yea about a dozen times .

@sirsweetness8332 5 лет назад

Cheef Cherokee Time for new o-rings

@robeftyearian8760 5 лет назад

Good job

@tonybucca5667 5 лет назад

MAYBE...you should have pressure washed it before you started working on it!

@Insayshabull 5 лет назад

should have pressure washed it before you started

@psmith2234 5 лет назад

I wouldn't let him work on anything of mine.

@MrPnew1 5 лет назад

He sure should have "Hang on I'll pull the bung out and let all that dirt and crap fall into the hydraulic system"

@electric8668 5 лет назад

Or use degreaser.

@MannyFontes1968 5 лет назад

Exactly, or at least use some brake cleaner to wash down that grime near the plug...

@Gmacrone 5 лет назад

At least use brake clean spray to clear the debris before opening it up. I cringed when you ran that cloth over the open port.

@Rangiroasis 5 лет назад

At least de-grease the tool youre trying to rejuvenate before you swab it down with more dirt magnet jelly. The idiot that doesnt know where the oil plug is wont attempt to fill it from the safety valve. Hes going to throw it away and go buy a new jack from China at Harbor Frieght which is a tenth of the quality as the one he tossed.

@joesurfer9754 4 года назад

First step. clean off the jack to the eat off it stage.

@rharris7635 5 лет назад

If your "jack" could talk...what stories it could tell!

@DEInTheGarage 5 лет назад

It would definitely tell some stories of sketchy repairs I have made...More zipties and Kentucky Chrome than I'd like to admit!

@Pau_Pau9 5 лет назад

"Please unload your mother from me."

@cb7pwn 4 года назад

i cant find anywhere why my 3.5 ton takes likes 20 pumps to go up? i bled air and topped off ect , no difference

@811stever 4 года назад

This guy doesn't know Jack.! Just kidding... I learned a few things, Thank You.

@DEInTheGarage 4 года назад

Lol.. Doesnt know "jack"

@811stever 4 года назад

I've got the exact same vintage of craftsman jack, I thought the poor little guy needed Viagra. You saved me a trip to Harbor Freight, and money I didn't need to spend... Thx

@bikerstuff2 4 года назад

It's 27mm, that why your sockets don't fit.

@FrankSchwarzfree 5 лет назад

Grease up the shaft.

@edwinleach7401 3 года назад

Washer??

@woolyhighlander7280 4 года назад

How do you Fix a Fact ?

@FloridaTwoWheelAdventures 4 года назад

Wooly Highlander easy! Here’s an example: Fact, your comment is stupid and wastes people’s time who read it. Fix the fact: delete your comment. Problem solved and fact fixed. 😂

@tellmesomething2go 5 лет назад

Most of these yo yos have no clue. STEAM CLEAN FIRST!

@travisray139 2 года назад

oh shit imagine getting that burr shot in your eye...

@ladislausback6623 5 лет назад

ATF-oil is NOT corrosive to rubber. It is the best fluid to preserve rubber. Check it up! (Not on YT)

@MrJx4000 5 лет назад

I heard that ATF oil will compress a little.

@ilickcarpet Год назад

How is ATF considered corrosive if its primary design is intended to maintain the seals inside a trans? Genuinely not being a smartass, just seeking to understand.

@buckshotgeorge7201 3 года назад

WHAT A FUCKING CRAFTSMAN!!!! Lol. Good job buddy, I would have external a small bungee cord that could be quickly removed but hay...

@AikidoTubeSock 5 лет назад

Why not drain out the old oil? When you change the oil in your car's oil sump or gearbox, you first drain the old, corrosive, less effective oil then add fresh oil...

@DEInTheGarage 5 лет назад

This oil does not go through heat cycles as the oil in your car does. The heat is what degrades the oil. There is far less heat involved with the compression force of a hydraulic jack so draining the old hydraulic fluid is rarely necessary

@AikidoTubeSock 5 лет назад

@@DEInTheGarage Interesting. I would probably change it anyway just to have it at 100% (it does degrade a bit with time and use) but it also doesn't take much oil and oil is fairly cheap...

@johnjude2685 4 года назад

Clean first, keep the oil plug hole free of grit and shit , keep it clean inside. So I did the thumb down You explain your self clearly but dirty shop habit discuss me. B Take longer to work on grime than clean. Thanks for showing, but teaching clean shop is a good way to go

@DEInTheGarage 4 года назад

Fair enough. Thanks for the constructive feedback and first had black smithing knowledge

@jala5577 4 года назад

How about learning to use the proper words in your comments, you used discuss but I guess you meant to say disgust, these have different meanings. Use a dictionary in future so as not to show your ignorance..