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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16872

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
The reason that the second spline joint fails and the first never fails is that the retaining bolt on the first spline means that there is never any movement in the joint, hence no fretting, hence no failures. The second joint, the one that fails, is a floating joint (the spring ring and groove does nothing to prevent movement), and hence moves. If dry or corroded fretting is inevitable and it will fail.

If there is any misalignement, which is impossible in the first splines, then wear will be greatly accelerated.
Post #711525 8th Jun 2018 11:05pm
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Julie



Member Since: 07 Oct 2017
Location: Nantes
Posts: 421

France 2012 Defender 110 Puma 2.2 SW Keswick Green
Well, I'm just wondering why the "outer" spline is fully corroded while the "inner" spline at the MK82 has no visible rust.
This is what I learned taking a closer look at the old part LR030054 from my Land.

And I'm also wondering what kind of a spline JLR integrate in their 70th Edition V8 Defenders these days
5 litre V8 engine , 405 PS - do they also use part LR030054 and the original shaft between MK82 and the transfer unit?
https://www.landrover.com/explore-land-rov...derv8.html

JLR integrated an 8 speed ZF automatic transmission and surely have skipped that silly shaft ...
https://www.landrover.fr/explore-land-rove...405ch.html

And no EGR knocks while leaving the car:
Post #711547 9th Jun 2018 8:49am
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
This shaft is a particular feature of marrying up the MT82 6 speed manual to the LR transfer box. The 70th is auto only and won't require it. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia
Post #711564 9th Jun 2018 9:52am
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6264

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
/\ FANTASIC !

The Ashcroft solution might work but I suspect the above solution might be better Razz (albeit, it is slightly more expensive)
Post #711568 9th Jun 2018 10:45am
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6264

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
nosnibod wrote:
That’s why I’m having an expert look at it!



good to meet you yesterday. knocking all gone - adapter shaft sorted it or is there still play elsewhere?
Post #711693 10th Jun 2018 10:35am
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nosnibod



Member Since: 15 Aug 2007
Location: West Midlands
Posts: 365

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Corris Grey
Great to meet you too.

All sorted. Minimal backlash and drives beautifully!

I’ll post some pictures later. Dave
Gracie - 2015 110 XS County Station Wagon
Post #711694 10th Jun 2018 10:51am
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nosnibod



Member Since: 15 Aug 2007
Location: West Midlands
Posts: 365

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Corris Grey
Team IRB did an excellent job replacing the output shaft yesterday.

Just to recap - a slight clonk changing gear sometimes was the only symptom...

So this was a preventative maintenance session in reality - and to put my mind at ease before some lengthy trips towing the caravan.

Before - notice how clean everything looks - no signs of a problem at all:-


Click image to enlarge


During - shroud and rubber seal removed - a slight hint of corrosion:-


Click image to enlarge


During - uh ho:-


Click image to enlarge


Loads of rust but just some congealed grease visible.


Click image to enlarge


Splines about 50% worn - which in reality means failure could be imminent:-


Click image to enlarge


Shiny new bits being prepared and fitted properly this time:-


Click image to enlarge



Click image to enlarge


Net result - about as good as it gets with this transmission setup. I already have the one-piece rear half shafts and the front and rear diffs are in very good condition too.

Overall, very happy indeed.

PS The danger with visiting IRB is what your wallet gets up to when you aren't paying attention and your guard is down. For some reason I was sitting very comfortably indeed on the way home... Dave
Gracie - 2015 110 XS County Station Wagon
Post #711808 10th Jun 2018 10:21pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6264

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
anything to do with all that leather under your bum ?
Post #711810 10th Jun 2018 10:28pm
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nosnibod



Member Since: 15 Aug 2007
Location: West Midlands
Posts: 365

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Corris Grey
Might do Rolling with laughter Dave
Gracie - 2015 110 XS County Station Wagon
Post #711812 10th Jun 2018 10:31pm
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desender



Member Since: 06 Aug 2017
Location: Perthshire
Posts: 34

Scotland 2007 Defender 90 Puma 2.4 CSW Stornoway Grey
My 07 Puma had early signs of the clutch death rattle and had it replaced toghether with the ashcroft shaft upgrade.
It was actually the first time in my life that I had someone else work on my car.
I'm a happy camper now that I know the shaft and clutch will probably not fail on me the next 40.000 miles!
Post #711814 10th Jun 2018 10:35pm
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zsd-puma



Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
Quote:
My 07 Puma had early signs of the clutch death rattle and had it replaced toghether with the ashcroft shaft upgrade.
It was actually the first time in my life that I had someone else work on my car.
I'm a happy camper now that I know the shaft and clutch will probably not fail on me the next 40.000 miles!


I did the same last year. I considered doing it myself, but decided it was going to be too much hassle for the sake of paying someone £350 in labour.
Post #711820 10th Jun 2018 11:45pm
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zsd-puma



Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
Julie wrote:

And I'm also wondering what kind of a spline JLR integrate in their 70th Edition V8 Defenders these days
5 litre V8 engine , 405 PS - do they also use part LR030054 and the original shaft between MK82 and the transfer unit?
https://www.landrover.com/explore-land-rov...derv8.html


The 70'th is basically a complete Range Rover sport drive train shoe horned into a Defender.
Post #711821 10th Jun 2018 11:46pm
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nosnibod



Member Since: 15 Aug 2007
Location: West Midlands
Posts: 365

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Corris Grey
This is the moment that the coupling was separated - Warning - contains scenes of a disturbing nature:-


Click image to enlarge


Yes, that is a rust cloud... Dave
Gracie - 2015 110 XS County Station Wagon
Post #711834 11th Jun 2018 7:33am
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JOW240725



Member Since: 04 May 2015
Location: Suffolk
Posts: 7873

United Kingdom 2012 Defender 110 Puma 2.2 XS CSW Orkney Grey
I was just looking at this on IRB page on FB, quite disturbing! Interesting that IRB fit OEM shafts in 90% of situations, with correct grease and only Ashcroft shaft in 10%.

Should get mine back Wednesday all going well. James
MY2012 110 2.2TDCi XS SW Orkney Grey - http://www.defender2.net/forum/topic43410.html
MY1990 110 200TDi SW beautifully faded Portofino Red - https://www.defender2.net/forum/post743641.html#743641
MY1984 90 V8 Slate Grey - https://www.defender2.net/forum/post744557.html#744557
Instagram @suffolk_rovers
Post #711886 11th Jun 2018 1:29pm
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zsd-puma



Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
It probably just depends what the customer is willing to pay and asks for.

The Ashcroft kit actually contains a genuine shaft and cup as I remember, it just has a slot spark eroded into it to let the oil through. Then a specially made housing to keep the oil in. The grease would probably work if it's thick enough and the cover to keep the water out and grease in is up to the job. I went for the Ashcroft kit as it was more of a belt and braces approach I thought.
Post #711902 11th Jun 2018 3:40pm
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