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M813 front axle end caps shreaded spline ?
- Thread starter zxmedic
- Start date
- 1,190
- 446
- 83
- Location
- Lockport N.Y.
Possibly a bad wheel bearing , causing to much play in the axle shaft . I would start with checking condition of the all the bearings and seals in that wheel .
Sephirothq
Well-known member
- 1,423
- 26
- 48
- Location
- Trevorton / PA
Maybe it was done on purpose to unlock the front axle. I have an M813A1 that has the spline out of it as well. They were cut out and a cap was welded on in place. So the front end free wheels.
RustyM923
Member
- 332
- 7
- 18
- Location
- California
If there were lots of metal parts in there, I'd say failure of some kind (perhaps wheel bearing, as mentioned above (causing misalignment).
If no metal bits, I'd say it was done deliberately.
If no metal bits, I'd say it was done deliberately.
- 1,190
- 446
- 83
- Location
- Lockport N.Y.
I can not see it from the pictures , maybe some either Torched it out or used a DIE grinder to take the splines . If there is no metal in the cap or bearings ,just need a new cap . BTW , how is the OTHER side ? Have you had the a problem with the front wheel drive operating ?
- 14,653
- 4,848
- 113
- Location
- Buchanan, GA
So there's no part of the splined section in the hub? Both axles like this? It's hard to tell, but it looks like that's a torch cut with a freeze plug or dust cover placed into the center? I'd assume it was done on purpose to free up the front end. Which on a 5 ton is pointless since the t-case is going to apply the sprag in a M809 series truck.
- 34,012
- 1,810
- 113
- Location
- GA Mountains
First time I've ever seen front hubs desplined with the gas hatchet! Whoever did it was determined for sure!
- 1,190
- 446
- 83
- Location
- Lockport N.Y.
It thinks you have lost traction , and with the splines cut out , it applies the sprag . I would replace the of axle covers and then a take test drive someplace you can get the sprag to work .
The other Cap is the same they have torched the splines out and put dust caps over the holes like patracey mentioned . This truck is new to me I did a quick inspection drove it home 30 miles now just fixing . Amazing this seems to have been done buy our good ole Canadian military after they put the knuckle boom on it . :banghead:
If you want to defeat the sprag, place an air valve on the line from the compressor to the sprag. Then the front end will free wheel, and you should gain some miles per gallon. Do make sure the sprag is in neutral before cutting the air supply.
- 1,190
- 446
- 83
- Location
- Lockport N.Y.
Strange they would do that , I am thinking somebody did not have a handle on how the all wheel drive operates , but o... Well , get a couple of caps and you should be good to go . EASY FIX , BTW , welcome to the site and good luck with your new ride , where in Canada? bob k
- 9,604
- 1,494
- 113
- Location
- mid- michigan
Your looking at a complete front axle service or by the time your done it might be cheaper to replace the whole axle.
- 1,190
- 446
- 83
- Location
- Lockport N.Y.
WOW , some Dis- Assembly REQUIRED . After looking at that , I wonder if you have something else going on in the DIFF also . I would drain the fluid just to see if any parts are in the gear oil . Another thought is if you find that there is something wrong with the front DIFF , you might want think about getting a whole axle assembly from somebody who is parting out a 5 ton .
