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View Full Version : Rear Axle question ..



Saul76
07-27-2009, 08:47 PM
While working on the TRX I went to remove the hubs as to clean and re-grease the axle splines - I popped out the cotter pin on one side just fine, removed hub nut easily. Moved over to next side - no cotter pin - instead it looks like there is some sort of 'insert' threaded into the axle itself and that is holding the hub nut in tight INSTEAD of a cotter pin. I have never seen this before and have not been able to remove this 'insert' as of yet.

It takes a very large square head driver.

Weird?

86 Quad R
07-27-2009, 11:37 PM
the end of the axle may have gottem fubar at some point and that was the "quik fix" for it lol. got a pic of it?

Saul76
07-28-2009, 05:52 AM
Originally posted by 86 Quad R
the end of the axle may have gottem fubar at some point and that was the "quik fix" for it lol. got a pic of it?

I can get one later.

Saul76
07-28-2009, 02:07 PM
didn't snap a pic yet - still trying to gather info on if anyone else has seen this before?

There is no weld around the hubs giving away the dreaded shot splines that happen - also, the hub nut looks to be on there good.

This insert has me baffled.

Saul76
07-29-2009, 11:27 AM
Ok then - since there haven't been any concrete answers on that question - I have another.

On the axle you have the locknut, it's left threaded - my question is this - is the threaded portion it threads onto supposed to be 'joined' to the brake rotor hub or is it two separate pieces?

I really need to snap a couple pics to better explain this all I guess.

Saul76
07-29-2009, 11:42 AM
Ok - grabbed a couple pictures real fast - sorry bout the quality, it's from my camcorder.

1st pics show the weird 'insert' on one side ...
http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2264.jpg

http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2265.jpg

http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2266.jpg

and here, the other side is 'normal' ... but looks to also have threads inside?
http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2271.jpg

and here is the problem with my rotor hub/axle nut .. this is for sure broken right? I guess I should probably replace with an anti-fade?

http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2267.jpg

Pull on it and it separates ...
http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2268.jpg

http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2269.jpg

http://img.photobucket.com/albums/v256/SaulAce/trx/axle/IMG_2270.jpg

Ruf Racing
07-29-2009, 12:45 PM
That's some wild, weird axle ends. I have no clue. But you will
need a new rotor hub. Good luck, someone will know. :ermm:

Honda 250r 001
07-29-2009, 01:05 PM
hey man first of all the rotor hub and the lock nut are NOT suppose to be 1 piece! so thats perfectly fine. Theres nothing to replace.

Saul76
07-29-2009, 04:21 PM
2 replies - 2 different answers?

So - If I tighten the locknut it will hold tight like that?

01shee
07-29-2009, 04:45 PM
The lock nut is in the right position. As far as the axle ends. I have no clue

Saul76
07-29-2009, 04:49 PM
So why is the locknut 'sliding' back and forth that lil bit? Just needs to be tightened up or?

Honda 250r 001
07-29-2009, 05:10 PM
yep, there are splines that the collar runs on. so the collar wont move while you try to move the nut. the threads are left handed so you have to go backwards.

good luck

Ruf Racing
07-30-2009, 07:45 AM
Originally posted by Saul76
2 replies - 2 different answers?

So - If I tighten the locknut it will hold tight like that?


My bad, he's right, I had a brain fart. :ermm: :huh

kouki
07-30-2009, 08:04 PM
Have you tried to just remove the nut from that side of the axle? From what I can see in the pic, I'm guessing that at one point in time or another the cotterpin froze in the axle. In that pic it just looks like someone tried to drill around the center hole to get the pin out. ???????? But maybe I'm missing something in the pics.

Saul76
07-30-2009, 08:13 PM
Originally posted by kouki
Have you tried to just remove the nut from that side of the axle?

Yes - will not budge.

ZSNOW
07-30-2009, 08:41 PM
thats not a special square headed driver. thats a stripped screw if im looking at the pics right. Just try drilling the head of the screw out then the head will come off and the lock nut will unscrew then u can drill the screw the rest of the way out and thread it. it looks like someone lost a hub at one time and ruined the end of the axle so they rigged it and made it work

Zack

ZSNOW
07-30-2009, 08:41 PM
thats not a special square headed driver. thats a stripped screw if im looking at the pics right. Just try drilling the head of the screw out then the head will come off and the lock nut will unscrew then u can drill the screw the rest of the way out and thread it. it looks like someone lost a hub at one time and ruined the end of the axle so they rigged it and made it work

Zack

RyanWsly
08-02-2009, 10:33 AM
Is it 1/4 drive? looks like that's how they locked the nut on the axle for some reason, screw keeps the nut from backing off instead of the cotter pin???? Thing possibly has locktite on it may have to heat the screw up to remove it. Your lock nut question, yes it's correct, if it doesn't turn easy the axle bearings are getting worn and that's why you have the gap, if it turns easy it has just loosened up so tighten it. If you do get this thing all apart, I would put new axle bearings in, drive side bearing is either out or going out on a stock carrier, they are that weak...............