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How To Remove U Joints From Yoke

Written By Wednesday, April 20, 2022 Add Comment Edit

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U-joint Removal (Tips and Techniques to be Faster and Easier)

Okay so this concluding week my Samurai shook SO bad (dash hopping, both shifter sticks dancing wildly around, whole truck shaking) and made awful noises that I had to pull over somewhat scared that the driveshaft was going to fly out from nether
the truck OR worse.  Well, the bolts were tight at the pinion and the t-example, so I drove dwelling.  I have ever had a chip of vibration in 1st and shifting into 2nd gear fifty-fifty with various suspenions setups.

I bought two u-joints from Autozone ($8.99 each).

I checked the driveshaft for looseness in the u-joints and detected a petty slop at the pinion side, just the t-case side was nice and tight....At that place was a little slop in the spline department of the sideslip yoke (not good).

I pulled the rear driveshaft Friday night, and took the clips off the u-joint I was going to supervene upon showtime.  So, tried to remove the one-time u-joint.  Well, I couldn't do information technology that dark.

I got to work on it the adjacent morn about 11am and didn't finish until nigh 6pm...All that time I got only three things washed:  1) the one u-articulation replaced and greased ii) the sideslip
yoke PACKED with grease to assistance displace and tighten up the splines and 3) My tools put abroad.

The next mean solar day (Sunday) I went to put the driveshaft back in and institute the t-case side u-joint moved in 1 management merely not the other...Mayhap 2-3mm of movement only.
It was basically completely frozen in its movement in one direction.

I was displeased to realize I was going to Take to replace this u-articulation which I thought was still skillful KNOWING information technology was going to have forever like the ane the solar day before.
The just thing that I wasn't displeased nigh was the fact that I felt I had definitely constitute the vibration culprit.

This was my workspace Friday night, of which I gave up just after 9pm trying to go the u-articulation apart

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Respond #1 –
hard to practice w/o a vice or press; even then not ever 'easy' -- a/p store will press new in for $10 an finish past me...fwiw

Re: U-articulation Removal (Tips and Techniques to be Faster and Easier)

Answer #2 –

I did have to use the vice for sure, but WHAT a pain to use sockets (1 modest to push cap in and i large to receive the other cap existence printing out) and accept to
carefully hold the sockets in identify so I can creepo the vice tight, which required a cheater bar and was Well-nigh incommunicable to not flip over while trying to become the leverage
to press the cap out.

ecoast -- what does this hateful?:

"a/p store volition press new in for $10 an cease by me...fwiw"

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #3 –
"a/p store will press new in for $10 an end by me...fwiw"

Translation:

An Auto Parts store (with a shop) volition press a new bearing prepare in $ten an cease "by me"  for what information technology'due south worth.

Information technology's the expletive of texting - trying to say the most in the least corporeality of space...

Yes, I am an old grouch...

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #4 –
i detest changing u-joints without a vise simply i take before. for the vise, you need a slice of thick steel or something to commodities it too. taking a wire brush to the insides of the yoke
volition brand slipping the new u-joint in easier. i inverse 1 u-joint in the samurai the other mean solar day and information technology took maybe 15-20 minutes.

Re: U-articulation Removal (Tips and Techniques to be Faster and Easier)

Reply #5 –
I can do 2 in xxx min. or less ... but and then I usta do all thr u-jpoint work when I worked on racecars ( for ten yrs.)
Of grade we had a vice in the truck.

Merely .... since I don't acquit a vice on the trail, I learned how to do practice information technology with a vi" c-clench.
Probably 45 min. or less that way.

The best mode to get fast ...... practise, and remember, the ones coming out are no practiced already.

Matt

btw - pulling the d-shaft is the best fashion to check for bad u-joints  . I chased a noise/vibration for iii weeks until I got stranded ..... turned out to be a bad u-joint that I had already checked past trying to jerk it.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Respond #vi –
When we go to the desert towing the tintop  I always bring along a 4"-six" hefty C-clamp and sockets (in the tool box) that will piece of work on U-joint changes.  Really I utilise the same setup at habitation because it works so skillful for me.  I found that the most important thing that takes fourth dimension is making certain that grease gets into all the bearings replacing the grease that came with the u-joints.  I've inverse so many u-joints over the years it actually doesn't take that long any more.  What I have come to realize is that u-joints don't ever give away the fact that they are bad, I had ane that I had pulled the drive shaft a number of times trying to detect the vibration and the concluding fourth dimension the u-articulation was stiff one way the last time, what a PITA, it was vibrating the mirror at highway speeds to the bespeak in order to become a clear view I had to put my finger on information technology to see clearly.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #7 –
First off, get that vice mounted on something solid.  Using it loose like that will be a [censored] to endeavor to get anything to stay in identify and it won't be solid at all.

Some of this is going to be hard to explain, but ujoints shouldn't be that difficult to practise.

To remove the old caps and ujoint.
I start out by using a bench grinder with a wire wheel on it and clean the exterior of the yokes (where the snap rings are).  This removes the clay and rust from the snap ring and makes information technology easier to remove.
I then remove the snap rings, using snap ring pliers or channel locks (depending on what type of snap rings they are).
Then I take the dshaft dorsum to the wire brush and clean the caps again.
You now demand to expect at the ujoint, where the caps will be sliding out and make sure the "hole" is perfectly round and that someone hasn't hammered on the ujoint ear and distorted the hole.  If there is any baloney, then you demand to take a file or a pocket-sized grinding bike and make sure the hole is clean on the sides and circular.  Otherwise, the cap volition bind up on it and will either be hard to become out, or won't come out at all.
Then I spray some wd40/atomic number 82 equalizer on the ends of the caps.
Open up the vise a little fleck and lay the flange yoke ears on the peak of the jaws.  Heighten the other stop of the dshaft up a little (so the tube doesn't hitting the vice jaws).  Then smack the dshaft correct backside the yoke to drive the ujoint cap out (information technology won't come completely out, but far enough that you tin can get some channel locks on information technology and twist and pull it out).  Then flip the dshaft over and do the same to the opposite cap.
Yous are now left with the ujoint in the flange end of the dshaft.
To get the final 2 caps out, yous tin can lay the ujoint across the vice jaws (lay the ends with the caps already removed on top of the jaws).  So y'all can accept a hammer and tap on the ears until the caps are flush with the ears.  Then accept a socket with an ID bigger than the cap, just will nonetheless line up with the yoke ears and tap on the flange ears, over the cap, until the cap is out far enough and is loose plenty to remove it with the channel locks.  Exercise the same for the last cap.

To install the new ujoint and caps.
Make sure all the yoke IDs are clean and don't have any burrs on them.  If they do, accept a file and file downward any burrs.
Put a thin layer of grease on the inside of each yoke.
Put the ujoint into i set of yokes.
Put a thin layer of grease on the outside of each cap and put the caps into those yoke ears.
Open up upwards the vice far enough that you tin can become the caps inbetween the jaws and foursquare up the yokes and caps in the jaws and start cranking the jaws airtight.  This will push the caps in flush to the yokes.
Open the vice back upward.  Then have a socket, slightly smaller OD than the cap size and place it on one of the caps.  Crank the jaws closed once again, until the cap is far plenty into the yoke that you can put the snap ring in.  Put the snap ring in.  So flip the yoke over and utilise the socket to press in the opposite cap, until you can become that snap band on.
If the caps won't become in far enough to get the snap rings in place, then it could be that i of the needles vicious down in the cap and is laying across the terminate of the ujoint and the cap.  You need to remove the cap and check.
Repeat the installation process for the other set of caps.
Once all the caps are in and all the snap rings in place, fix the dshaft on the jaws of the vice, like you did when you were initially removing the caps, and give the dshaft one good business firm smack on each side of the dshaft, slightly behind each yoke ear (do non hit it correct over the cap...this can distort the ID of the yoke ear and brand the cap difficult to remove, if you ever demand to).  What this does is push the caps back out confronting the snap rings and sometimes slightly spreads the yokes.  This will loosen upwards the ujoint (which is proficient, in this case).  Sometimes when you put the caps in information technology will slightly curve the yokes in and the ujoint will be tight and not want to movement in one management or both directions.  This frees upwardly the ujoint and makes it so it should rotate freely.

It took me longer to type this, than what it usually takes to R&R a ujoint.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #8 –
Be conscientious with those auto zone u-joints. I got a couple of those for the cheap prize. Just two months later the one in the rear by the axle but gave out and shatter. That was just doing normal daily driving  to work and back. I couldn't remove the joint from the drive shaft.  The caps seize in the holes and would not come out.

Re: U-joint Removal (Tips and Techniques to exist Faster and Easier)

Reply #nine –
This tool will make your lives easier. It is a nifty trail tool for it'southward size is small and will work on store presses likewise. The ole socket method is fine if the cups are loose but as presently every bit they become stuck you tin curve a Yoke easier than yous retrieve. I don't push in on the cups at all and apply pressure on the yokes instead.

Those inexpensive U-Joints are junk compared to OEM. I have used, measured and blueprinted at least 6 different brands, both United states, China and Japan. I have heard skillful things about the TT joints. They seem to last a skilful chip longer than A/P store ones. I have went through at least 15 in the few years of Zuki ownership. Now I have 4Runner shafts and have non had a outcome with all the bad angles we put these through.

How I take found the easiest way to remove the U-Joint is to:

1.       First remove all the snap rings that keep the cups in identify.

2.       Then place the yoke of the driveshaft on a block of wood and loosen all the cups so that they are coming out the end of the yokes. This will make it easier to go the steel block with the hole in information technology to align with the cups easier. Yous tin can however use the plate instead of forest only it is harder to go information technology aligned with the cups well.

3.       Place the plate with the pigsty in it nether the yoke and aligned with the loving cup so the cup can pass through the hole in the plate. Place tool on yoke as shown and striking information technology with a minor sledge or you tin put it on a press if you have one. Your tool may differ slightly then the i shown but they all piece of work the same. After the cups are out every bit far as you can push button them slide the U-Joint out.

iv.       Once you have ane side out then place the tool on the U-Joint and hit it so the cups come out the same way.

five.       Sometimes you can remove the loving cup once it is out this far by grabbing information technology with some vice grips and twisting it. Otherwise you will have to knock it out with a punch or you tin can hit it out with the end of the tool. I prefer to utilise a punch. I was lucky and twisted one loving cup out with pliers and then hitting the U-Articulation in this estate to get the other cup out the other side. Yous can employ the tool in this manor to install the cups also.

Exist sure you accept the new U-Joint inside the loving cup so the bearings won't fall out when you are installing the new cups. I like to put some grease on the outside of the new cups before installing and then in the yoke. Likewise be sure to fully pack your new cups with grease before installing them and clean the snap band groove out. Place the new cup in the yoke being conscientious not to drib any of the needle bearings out. Slid the new U-Joint inside the cup and while belongings the U-Joint in the cup, tap the cup into the yoke till you can put the snap ring on. Put the other loving cup in the other side equally far as you can until you can slide the U-Articulation down into it to agree the bearings in. There should be some of the U-Joint in both cups and then y'all tin can tap the terminal cup in and put on the other snap ring. Repeat this on the other yoke and you lot're washed.

After using the tool you can file or sand the end of it to remove the mushroom event. The tool is soft so as to non damage the yoke. The spacing is as well ideal so every bit to not button on the end of the yoke so as to possibly impairment the snap ring groove. I like to remove all my U-Joints and grease them upwards at the shop and so they come out easier on the trail. Getting stuck cups out is easier to do in your shop or at home and tin can make quick piece of work on the trail if needed.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #10 –
Dainty writeups, by anybody.

Skip

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #11 –
There are some uTube vids of changing u-joints, one of which was mentioned on this forum. I accept a punch-upwards connection so it is no value to me but someone hopefully will chime in. I have to go to the local Library if I want High Speed Net, so next time I will wait. The 1 I saw on hither was a less than 5 infinitesimal u=joint change. A video is slap-up for mechanically-challenged people like myself.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #12 –
A local car shop/wleder showed me the easiest style-use a torch to cut the yoke in half.  This relieves the stress in the articulation and keeps y'all from distorting the yoke ends.
Then use a hammer and migrate to knock out the sometime caps.  Use a dice grinder or dremel to clean out the yokes and reassemble.  He could change them out in about x min.

As far every bit in the field, acquit a spare rear driveshaft.    I too take struggled to change them in the field-major PITA if the cross is all the same intact.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #13 –
I change mine on my workbench using my vice.  Doesn't have long.  I proceed spare front and rear DS in the bed of my truck so if I am out wheeling, I merely alter the shaft instead of fooling with a trail side u-joint bandy.

Re: U-joint Removal (Tips and Techniques to exist Faster and Easier)

Answer #xiv –
i may be belatedly on this responce,
only i have found that if one has a compressor and an air chisel, it makes quick work of the ujoint dejection.
i can do my entire grip of ujoints in less than v minutes.

take all c-clips out
spray with lube/oil (if needed)
have a flat chisel, place lower end of dsahft on a spacer with the center missing(kind of like the foursquare tool on above mentioned writeup_square metal with a center hole)(or a socket works)
and let the chisel do the work...

its quick, safe, and theres no crushed fingers or broken physical.... hope this is both helpfull and clear...

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #15 –
Later on all of these years I just got used to doing them the hard way... lol

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #xvi –
Groovy Information EVERYONE, much appreciated!

I know that vice not beingness mounted to anything is nigh blasphemous, thanks skyhiranger, but I don't accept annihilation to mount it also .  Suppose some flat steel
with some holes drilled in it to bolt it down would be good, just I'll probably use a square of thick plywood (lighter and easier to drill)

BTW, this driveshaft had stock U-joints in information technology, that were terrible to remove.  When I removed the 1 that was frozen from movement in ane direction it had only
6 needle bearings left, the residuum poored out in a black dust that resembled gun powder!!!    ALMOST thought that u-articulation was NOT going to come out every bit it took
super human strength to press out even with the cheater bar, and I feared the lever on the vice would curve like a hinge under that strength.

This is the u-joint with the loving cup that poored powered instead of needle bearings

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #17 –

In one case all the caps are in and all the snap rings in place, set the dshaft on the jaws of the vice, like you lot did when you were initially removing the caps, and requite the dshaft one good firm smack on each side of the dshaft, slightly behind each yoke ear (do not hit it right over the cap...this can misconstrue the ID of the yoke ear and make the cap hard to remove, if you e'er need to).  What this does is push button the caps dorsum out against the snap rings and sometimes slightly spreads the yokes.  This will loosen up the ujoint (which is good, in this case).  Sometimes when yous put the caps in it will slightly bend the yokes in and the ujoint will be tight and not want to move in one direction or both directions.  This frees up the ujoint and makes it and then it should rotate freely.

This is good info and I did have a little trouble with one of the u-joints being tight in one direction and had I done this is might of freed it up a little.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #xviii –
Yeah, after yous press the cups in you smack the joint in the opposite management of the last loving cup that you pressed in to loosen information technology upwards.

Re: U-joint Removal (Tips and Techniques to exist Faster and Easier)

Reply #nineteen –

Great Data Everyone, much appreciated!

I know that vice not existence mounted to anything is nearly cursing, thanks skyhiranger, but I don't have anything to mount it as well .  Suppose some apartment steel
with some holes drilled in it to commodities it down would be good, but I'll probably employ a foursquare of thick plywood (lighter and easier to drill)

Clamp it to a workbench (maybe even the kitchen tabular array ).
Mount it to a board and then park a motorcar on the board, then it tin't motility.
Anything is better than information technology just sitting loose.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Answer #twenty –

This is skilful info and I did have a little problem with one of the u-joints being tight in 1 direction and had I washed this is might of freed information technology up a little.

Yeah, I bet it would take freed it correct up.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Respond #21 –
i didnt read everything so i hope im not reposting something.

ane.  personally i like to put the hsaft in a vice,
2.  flex the yoke all the way to one side, and cut the centre cross just beneath the cap with an angle grinder and cut off bike.

(TIP: find the thinnest wheel you lot can, simply standard cut off wheels work)

3.  flex the yoke the opposite way and repeat on the cross opposite the side you just did
iv.  continue cutting below the caps untill the heart cross is entirely removed
v.  set up the vise so that the top of the jaws catch the bottom side of the ears on the yoke but dont put whatever pressure on the cap its self
6.  pound the cap toward the center of the yoke until it falls out
seven.  remove snap ring
8.  clean up the yoke bore, and snap ring grove and install new joints

i tin remove a u-joint in well-nigh v minutes once i have everything together and i tin take a new 1 installed in about 15 minutes. in theorie i could do all of them in 1hour 30 minutes. installing might take another 30 min with hand tools so ii hours(assuming there are no problems  LOL). im not trying to brag but trying to give it some perspective.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Respond #22 –
Cutting the u-joint out would have been faster than trying to press information technology out for sure...Now that they've been removed and replaced it will be easier to press or tap them out.  So now I accept a ameliorate idea as to properly and more than easily replace the u-joints.  I've washed several before, but never had this kind of trouble with them.  As far as the Autozone u-joints go, they must exist garbage.  They have a i year warranty, but I'm betting they will fail before then and I'll exist replacing them shortly, and they should be easy to take out when I practise, unless they shatter and the caps freeze in in that location like oczuk experienced.

One matter that SUCKS is a female Zirc Fitting...One of the U-joints had that and the store sold me a syringe looking needle to put on my grease gun, but that thing didn't work and all the grease came correct back out of the female person Zirc Fitting.  I had to just pack the caps with grease best I could.

Too, part of what took and then long was everytime I'd go to press things back together a needle bearing would fall over and lay in the bottom of the cap (frustrating)...One cap the needle bearings fell out and I had to put all back in like 5x (frustrating)...And then I packed the caps with grease and put back together and they seemed okay.

I will remember that trick virtually tapping the backside of the yoke to pop the cap out against the clips and help free upwardly the u-articulation though.

Here's a pic of the d-shaft dorsum in.

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #23 –
A printing, like this one from Harbor Freight, makes changing U joints a snap...

http://www.harborfreight.com/3-in-1-ball-joint-u-joint-c-frame-press-service-kit-38335.html

Re: U-articulation Removal (Tips and Techniques to be Faster and Easier)

Respond #24 –

A press, like this one from Harbor Freight, makes changing U joints a snap...

http://www.harborfreight.com/iii-in-1-ball-joint-u-joint-c-frame-press-service-kit-38335.html

Thanks Stephenw...I looked for that at Harbor Freight the weekend I was working on the u-joints, but they didn't accept it, plus I didn't really have the money for
it either.

As information technology was I idea nearly this, simply realized it's probably not big enough (doesn't accept enough "working distance")
http://www.harborfreight.com/vi-ton-a-frame-bench-shop-printing-1666.html

Re: U-joint Removal (Tips and Techniques to be Faster and Easier)

Reply #25 –
" The bed adjusts in iii-i/2'' increments.
Working altitude: ii'' to four''
Width betwixt channels: 10-i/ii''

I have used this aforementioned press for u-joints, pressing bearings, and many other things. Relieve up, purchase one when you lot can, then you will take it when you need it. I will say that I have used a 5" bench vice more than than anything for u-joints, simply not since I bought the press.

How To Remove U Joints From Yoke,

Source: https://bbs.zuwharrie.com/content?topic=118533.0

Posted by: brownfarehe01.blogspot.com

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