A Little Diappointed (Spindle Bushing Replacement)

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Joined
Aug 8, 2014
Threads
16
Messages
108
Some of you may have seen that I had an axle shaft that was grooved up real bad by the axle shaft seal.
20260816_182208.webp

Not sure how it go so bad but I wanted to cover all my bases to make sure it does not happen again or at least does not happen immediately after I put it all back together.
My CV joint was real clacky and after tearing it apart it was super hosed.
Bought some replacement CVs
There is a posibility that the bushing that is in the spindle may have sustained some damaged as well so I decided to just replace them in an attempt to make sure my axle isn't flopping all over the place taking out seals and wear surfaces.
Ordered up new bushings from Yotamasters and thought nothing of it until I removed one of the old ones and comapred it to the new ones.
20260822_170315.webp


It is possible that I received the wrong ones.
I checked out Yotamasters' page again to see and they have two different pics shown becasue the listing is for 6 differnt vehicles.
One looks like the proper bushing and the other looks like the dumb one so who knows.
Yotamaster Spindle Bushings
I've checked and rechecked my order and it says 80 series bushings.
It's possible that maybe the company that makes them did extensive research and found that they could impove upon the factory design by making them shorter but I have my doubts.
I think the more realistic answer here is that the company producing them is only concerned about profit.
I can almost hear the "C suite" now... "Oh if we make them shorter then we can get more bushings per bar of material and still charge the same price."
What possible resaon could they have to change the design on something that already works and has already been proven to last hundreds of thousands of miles .
I mean it is very likely that the ones that were in there were fine even with 280,000 miles on'em but I wanted to cover all the bases and get everything in tip top shape.
I don't feel like these bushings are the answer and I probably should have just bitten the bullet and bought the factory parts.

Anywho I thgought I would bring it up here to see if anyhone had any thoughts or experiences they would like to share to make me feel better.
I suppose I should at the very least contact Yotamasters and see what they have to tell me.
 
Some people prefer the full bushing (with no bearing) spindle like the original design, some prefer the half bushing and bearing combo type spindles

Take your pick



OEM



What do your spindles look like, they can develop grooves from the hub seals and a wear step if the bearing preload is loose potentially causing the tire/hub to rock in and out on the spindle: post up some photos showing the base and the end of the tube, side views

The whole spindle (Joint Fuji)

 
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Well I got a reply back from Yotamasters and they say that is the way that all the aftermarket bushings are and if I want ones that are not shortened then the only option is factory bushings.
So I got the right bushings and I was right that it is likely just a company trying to make them as cheaply as possible.
They also told me that they have been running and selling these bushings for many years with no issue but that still does not mean they are going to last 300,000 miles.
Anyway I don't suspect, with a properly maintained rig, that those bushings see much wear anyway so I'm probably going to rock'em

On another note I am glad someone brought up the loose bearing preload thing becasue that made me remember that the bearings on this thing were super loose when I bought it.
like I jacked it up to put my new wheels and tires on and the tires just flopped once they were off the ground.
Who knows how long they were like that but it rubbed the writing off the bearings and that is likley what wrecked my axle shaft seal.
 
Got photos of your Spindles?

If they have been run with very loose bearing preload the Spindles may have been damaged to the point where they
won't hold bearing preload in the future.

And if you buy new Fuji Joint Spindles they come with the bushing/bearing installed.

FWIW
 
Some of you may have seen that I had an axle shaft that was grooved up real bad by the axle shaft seal.
View attachment 4199510
Not sure how it go so bad but I wanted to cover all my bases to make sure it does not happen again or at least does not happen immediately after I put it all back together.
My CV joint was real clacky and after tearing it apart it was super hosed.
Bought some replacement CVs
There is a posibility that the bushing that is in the spindle may have sustained some damaged as well so I decided to just replace them in an attempt to make sure my axle isn't flopping all over the place taking out seals and wear surfaces.
Ordered up new bushings from Yotamasters and thought nothing of it until I removed one of the old ones and comapred it to the new ones. View attachment 4199509

It is possible that I received the wrong ones.
I checked out Yotamasters' page again to see and they have two different pics shown becasue the listing is for 6 differnt vehicles.
One looks like the proper bushing and the other looks like the dumb one so who knows.
Yotamaster Spindle Bushings
I've checked and rechecked my order and it says 80 series bushings.
It's possible that maybe the company that makes them did extensive research and found that they could impove upon the factory design by making them shorter but I have my doubts.
I think the more realistic answer here is that the company producing them is only concerned about profit.
I can almost hear the "C suite" now... "Oh if we make them shorter then we can get more bushings per bar of material and still charge the same price."
What possible resaon could they have to change the design on something that already works and has already been proven to last hundreds of thousands of miles .
I mean it is very likely that the ones that were in there were fine even with 280,000 miles on'em but I wanted to cover all the bases and get everything in tip top shape.
I don't feel like these bushings are the answer and I probably should have just bitten the bullet and bought the factory parts.

Anywho I thgought I would bring it up here to see if anyhone had any thoughts or experiences they would like to share to make me feel better.
I suppose I should at the very least contact Yotamasters and see what they have to tell me.
I wouldn't think twice about installing the longer bushing, it will provide greater axle support. I'm sure those are not 100% brass bushings because brass will tear up steel on rotation, they are a mixture of brass, copper and other metals which makes a Bronze bushing. It looks good!
 
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Got photos of your Spindles?

If they have been run with very loose bearing preload the Spindles may have been damaged to the point where they
won't hold bearing preload in the future.

And if you buy new Fuji Joint Spindles they come with the bushing/bearing installed.

FWIW
Crap you might be on to something.
Upon furter inspection is seems there is a significant step on one side of the spindle and not the other, at least for the outer bearing.
You can see it pretty easily in the pics.
Can't say that the space where the inner bearing rides looks that great either.
Not as bad as the outter but still not great.
20260823_191323.webp

20260823_191327.webp

20260823_191331.webp

20260823_191335.webp

Also a little crazy how burnt the the area is where the seal rides.
I think some new spindles probably aren't a bad idea.
 
One test is to take a new outer bearing and slide it on the spindle, if it rocks ie: in/out at 6-12 positions the spindle is worn, there should be zero rocking/wobble/looseness, IME. Looks like the inner bearings were spinning some on the spindle also.

To work around a worn surface where the hub seal rides you can install Terrain Tamer HD hub seals; they are a cassette type seal ie like two seals (inner and outer) interlocked, the inner seal that slides over the hub does not rotate on the spindle, all movement is between the two interlocked rings so to speak.

New Fuji Joint Spindles (or OEM) would solve a few issues if you've got the coin, add the TT hub seals and forget about it for awhile.

The deep groove in the long side axle shaft will need something to fill that gap ie: if you use a SpeediSleeve.
 
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Well I've already purchased the new spindles with bushings so thats a done deal.
I will have to look into these Terrain Tamer seals.
I was looking at all the seals I have and looking back to all the water crossings that I have done and thinking "I sure hope these things work".
An upgraded seal would certainly put my mind at ease.

I did a steel filled two part epoxy on the axle grooves last night.
Should be cured enough by the time I get home tonight to start the process of sanding off the excess and work on my tool to install my speedi sleeves.
 
If you haven't found it yet:

 
Yeah I watched that vid the moment you mentioned those seals.
Just trying to find a good place to purchase them from.
 
"Sheesh why does is cost $30USD to ship 2 seals from CA to CO"

Time.

US Postal Service Ground (US to US) would be much cheaper dropped in a padded envelope or small box but might take a couple days longer than say UPS 3 day. Priority US Mail is often the sweet spot IME (for items that fit in the different box sizes), about half what you paid if using the small fixed price box.
 
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California a state that banned flavored nicotine products yet allows artificially flavored weed products to be sold 🤡👟 government.
 
Well dang it apparently I didn't read the description at all before I ordered those new spindles.
because it has a bushing AND a bearing in it.
20260826_171659.webp

I suppose to most people that seems like an upgrade but I am not one of those people.
Why put some moving parts in a place where a non-moving part can last 300,000 miles
not sure why you would introduce that failure mode.
Well now it's too late and I am not spending any more money on this part of the truck
 
All of the new spindles have the needle bearing that the 100 series use. I’m sure it’s fine, but I also prefer the OEM bushing since needle bearings don’t like to roll in moly grease. If you get the OEM bushings directly from Japan, they are about $20 each and easy to replace. The spindles are dramatically cheaper if you get them from Japan as well. If you have a couple months to spare in the future, you can get new pair of Toyota spindles and bushings for about $250 shipped.
 
This was mine after 150,000kms on the originals. The bush just fell out on disassembly. The wear is starting. I just put new terrain tamer spindles (which came with bushes).

27167.webp
 
Use OEM seals . nothing is better.
 
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