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Half Shaft Play Through Stub Axle

 
 
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k2sul
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Joined: 03 Aug 2015
Odometer: 4



1988 Land Rover 90 TD

PostPosted: Sun Jan 08, 2017 10:12 pm    Post subject: Half Shaft Play Through Stub Axle Reply with quote

Hi Folks,

Had to acquire a new front axle tube for several reasons. Anyway, tube acquired and began stripping the old axle to recover the diff and hubs/half shafts. I unbolted the complete hub assemblies where the stub axle meets the axle tube, and withdrew the entire hub complete with half shafts still in place. Placed the hubs assemblies on the ground (wheel nuts on the ground) half shaft facing directly into the air.

After a bit of sludge removal, I had a fiddle with my shaft, and noticed a very significant amount of play, where the half shaft passes through a seal into the back of the stub axle. Microcat tells me that the halfshaft passes first through FRC4319 (Axle Assembly - Stub Front Suspension) and then FRC3099 (Seal - Stub Axle). This is the first time I've ever removed or seen this part of my defender, and I'm sure its not supposed to have any significant play. Boths side are similar, but I've uploaded a video showing the O/S assembly, which can be viewed on the link below

https://goo.gl/photos/zM9Uify7dCzvDQdg9

Could I trouble any of the more learned among you, to take a quick look and give your opinions please. I should also point out that the when I drained the diff pan, the fluid could be best described as black custard. I guess it's become an emulsion of diff oil/one shot grease and water, which is leaking in through the duff seals.

Appreciate any advice.
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mike328
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Joined: 10 Dec 2014
Odometer: 793
Location: Suffolk!



PostPosted: Mon Jan 09, 2017 12:30 am    Post subject: Reply with quote

You're just wiggling the shaft around in the cv (which swivels so you can steer). it wont be able to do that once assembled as the end you're holding in the vid will be in the diff... hope that makes sense..
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Snap On: Turning drawers into status symbols since 1920.
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k2sul
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Joined: 03 Aug 2015
Odometer: 4



1988 Land Rover 90 TD

PostPosted: Tue Jan 10, 2017 4:18 pm    Post subject: Reply with quote

Hi Mike,

Thanks for the reply. Having read your explanation, I realise now whats happening, but should the seals not be following the shaft?

I was using my little finger to wiggle to shaft, so there was no real force applied, yet the seal visibly pulled of the shaft.

Any oil seal I've changed so far on the landy is super tight round which ever shaft/flange it's on. Wondered if they're already spanked, allowing the one shot grease into the axle tube.
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