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Auto Hubs Service

Transmissions, Transfer Boxes, Axles, Drive Shafts

Auto Hubs Service

Postby Michael » 05 May 2015 07:47

Hi Gents

So as I had some problems with my hubs a while back and went through the whole process of buying a second hand one I discovered that I replaced the wrong one. Not wanting to spend more money I decided to strip the actual "broken" one to see if it is fixable and discovered that it really only needed a service. My hub got some water in at one stage and the whole thing was full of gunk and very rusty.

So here is my post on how to strip and service a auto hub on a Y61, but I think it might be the same or similar to the Y60. The photos I used here is not of my problematic hub, but just one that I serviced for the purpose of this thread.

1. remove the hub from the wheel bearing housing by removing the 6 x 8mm allen key bolts
2. once removed you will already be able to see and feel in what condition your hub is in, on mine you could see that there are problems even before I stripped it.

hub_1-1900.jpg
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3. To be able to strip the hub you need to remove the thin ring that is pressed into the hub. I just tightened the hub inside the vice and knocked it out with a hammer and screw driver.

hub_2-1900.jpg
remove ring with screw driver and hammer
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4. Here is how it looks with the ring removed

hub_3-1900.jpg
Ring removed
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5. now you can remove the auto locking part of the hub, it basically falls out when the ring is removed

hub_4-1900.jpg
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6. Here is a close up photo of how the hub looks after the auto locking mechanism has been removed. This is the actual part that locks the hub when you turn the bolt to "Lock". This hub wasnt in bad shape and was still working.

hub_5-1900.jpg
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7. This is the hub housing once the mechanism has been removed

hub_6-1900.jpg
housing
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8. Locking mechanism, quite dirty....

hub_7-1900.jpg
Dirty mechanism
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9. Now we are half way and all that is left is a bit of elbow grease and some de greaser. I use a very strong cleaning agent called "Klear 4007" and I get it from Farm City.

hub_8-1900.jpg
nice and clean
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10. Close up of the housing after it has been cleaned. If you look carefully you can see it has a bit of wear and tear on it, but nothing to worry about in my opinion.

hub_9-1900.jpg
housing close up
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11. Close up of the locking mechanism after it has been cleaned

hub_10-1900.jpg
Mechanism close up
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12. Now you can lubricate everything and start to assemble. I used normal engine oil and will explain later why I used this insted of grease. Make sure when you put the locking mechanism back into the housing that the two little arms on the mechanism line up with the slots in the housing. my finger will point out the parts that need to allign in the next two photos. Once you put it in you can wiggle it a bit and you will feel it click into place

hub_11-1900.jpg
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hub_12-1900.jpg
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13. Installed locking mechanism

hub_13-1900.jpg
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14. Now you install the auto locking mechanism, make sure the copper cir-clip is on the opposite side of the high part of the locking mechanism. (hope this sentence makes sense)

hub_14-1900.jpg
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15. Now you just install the thin "locking ring" and thats that in a hat.

hub_15-1900.jpg
done!
hub_15-1900.jpg (132.42 KiB) Viewed 2776 times


16. Now the last thing you can do, (thanks Christo for reminding me about this) is to put a thin layer of silicone where the auto hub bolts onto the wheel bearing housing. This wil make sure that your auto hub will stay dry inside when doing deep water and mud crossings
Last edited by Michael on 06 May 2015 05:07, edited 1 time in total.
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Re: Auto Hubs Service

Postby Michael » 05 May 2015 07:56

So just one thing I want to mention on the re greasing/oiling the hub on assembly.

Normal wheel bearing grease is not the right thing for this job in my opinion, it is to sticky and the mechanism will not function as smoothly as it should. If you want to use grease I would suggest CV grease or graphite grease.

I have done allot of reading on the Australian forums on this subject and they recon you should use machine oil or very thin engine oil. :surprised:

I wanted to see how the oil works and will try graphite grease on the next hub service
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Re: Auto Hubs Service

Postby Oellie » 05 May 2015 08:36

:goodpost: :thumbup:
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Re: Auto Hubs Service

Postby ricster » 05 May 2015 08:37

Nice post Michael !!! Thanks you :thumbup: :thumbup:
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Re: Auto Hubs Service

Postby offroadbiker » 05 May 2015 08:51

I like posts like these..... it teaches the "other" guys how to perform these tasks so when I need a service they can do it nicely for me :oldtimer: QQQ QQQ
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Re: Auto Hubs Service

Postby jonathan » 05 May 2015 13:26

Dis great thanks Michael! Ek gaan myne (die een wat nog werk) verseker doen :salute:
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Re: Auto Hubs Service

Postby rvanrooyen » 05 May 2015 13:57

Great post!!! Thanks
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Re: Auto Hubs Service

Postby ChristoSlang » 05 May 2015 20:25

Lekker post, Michael!

PS: Jy het vergeet om te vertel dat mens 'n dun lagie silicone sealant moet opsit om die modder uit te hou!
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Re: Auto Hubs Service

Postby Michael » 06 May 2015 05:03

ChristoSlang wrote:Lekker post, Michael!

PS: Jy het vergeet om te vertel dat mens 'n dun lagie silicone sealant moet opsit om die modder uit te hou!

Ah jy sien.... Baie dankie Christo ek het heeltemal daarvan vergeet. :thumbup:
Ek sal die post edit
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Re: Auto Hubs Service

Postby gupster » 06 May 2015 06:31

Thanks Michael for the time and effort you put into the thread. I feel confident to tackle mine now as the right hand one does not always disengage properly.

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