 | Home > Maintenance & Modifications > Transfer Box Swarf |
 
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5829   
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Evening all,
Just completed a full oils/lubes/filters service and whilst doing the transfer box noticed some swarf on the magnet. Very fine, not much, thin layer. Should I be worried? Anything I should do? Everything feels normal. Have an HD clutch and Ashcroft Output shaft heading this way in the next few weeks. Thoughts? Monsieur Le Grenadier I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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13th Sep 2021 4:07pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3677  
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How old is the oil?
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13th Sep 2021 6:18pm |
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| Pacha Member Since: 23 Feb 2020 Location: North Yorkshire Posts: 772 
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Beat me to it Col. Rgds. Chris |
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13th Sep 2021 7:23pm |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5829
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Sorry for late reply. 30k (miles) Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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14th Sep 2021 11:04am |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2016
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Did you measure the amount of oil you drained ? Was it the correct amount that should have been in there ?
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14th Sep 2021 11:36am |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5829
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No I didn’t. But I’ve not seen any evidence of leakage. I was on post-op sofa duties for six weeks and Def remained in same spot throughout. No drops under the vehicle at all. From any of the key reservoirs: diffs, engine, gearbox, transfer box. What’s more, transfer box was very clean externally. As was the prop. I assume that if the amount of dirty oil was very low, there would be evidence all over the propshaft, and around that area of the chassis? There’s none.
I had an Output shaft failure in 2018. Unfortunately I was abroad and was recovered to a main LR dealer so they refused to fit anything other than LR parts, wouldn’t let me upgrade to HD clutch and Ashcroft shaft replacement. So, maybe it is wear and tear from that….? Monsieur Le Grenadier I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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16th Sep 2021 6:39am |
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| Yannis Member Since: 02 Feb 2015 Location: Oxfordshire / Milan Posts: 408 
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On my 3rd change now.
Each time comes out looking like this… *about 25k miles between changes. I wouldn’t be to worried.  Click image to enlarge |
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26th Sep 2021 2:52pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17414 
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That is one thing you can rule out, since the adaptor shaft occupies the casing between the MT82 and the LT230 so any detritus from the joint can't get into either box. |
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26th Sep 2021 3:33pm |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5829
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Thanks all. Yannis, mine was a lot, lot less than that. A really fine layer of very fine shavings. Almost like asbestos or hair.
 And thanks for the info on the shaft Blackwolf. Can rest easy. Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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28th Sep 2021 7:08am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17414
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Sadly if you have had one shaft failure already, you shouldn't assume that it will not happen again.
Evidence from owners, especially from the survey carried out on this forum, suggests that vehicles on which the shafts fail suffer recurring failures with standard parts. If you are lucky enough to have one where the shaft doesn't fail rapidly, it seems that they can last a very long time. The evidence appears to support the suggestion that there is an underlying alignment or tolerance problem which a vehicle either has, or does not have. If you happen to own a vehicle prone to failure, I would strongly suggest that an Ashcroft or LOF coupling is considered. At the very least, the standard one should be lubricated very generously on assembly. The jury is out on which part introduces the alignment or tolerance error, but my money is on the adaptor shaft housing (which joins the MT82 to the LT230). |
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28th Sep 2021 8:40am |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5829
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Too true Blackwolf. Too true.
The only thing that I assume/presume when it comes to Defenders is: a. I will love mine forever, b. The next time it frustrates me is only just around the corner. 
But specifically with regard to the Output Shaft, that’s exactly why I’ve bought an Ashcroft replacement and will get it fitted with a HD clutch fix clutch as soon as they arrive here from the UK. My last failure was in Spain and only a LR dealer was available to fix it. As such, they only allowed OE parts, despite my offering to buy and supply updated parts. I’ll rest more easily, but never complacently, when the replacement has been undertaken. Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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28th Sep 2021 9:14am |
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