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Naycrx



Member Since: 11 Oct 2023
Location: Nottinghamshire
Posts: 93

 
Rear Diff
Rear Diff, looks to have a very slight oil leak..... I think... can I put some of the gear oil Leak Stop fluid in with an oil change ?
Post #1032004 18th Apr 2024 1:05pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
Where is the leak coming from: Fill plug, drain plug, diff flange or from between the diff and axle housing?
Post #1032033 18th Apr 2024 5:34pm
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Naycrx



Member Since: 11 Oct 2023
Location: Nottinghamshire
Posts: 93

 
Think its the flange.... Where it comes out to the prop...... Just noticed the other day looked damp, i have wiped it and hasn't really leaked anymore
Post #1032037 18th Apr 2024 5:48pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5424

2006 Defender 110 Td5 USW Zermatt Silver
Check your breather is clear.
Post #1032039 18th Apr 2024 5:56pm
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Naycrx



Member Since: 11 Oct 2023
Location: Nottinghamshire
Posts: 93

 
Hi,

Yes I have done that..... I removed it and blew down all seems OK.... noticed when I removed the pipe, the pipe has a 90' curve and just pushes in ? Is that right no connection or anything
Post #1032040 18th Apr 2024 6:00pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5424

2006 Defender 110 Td5 USW Zermatt Silver
It should push into a pushfit fitting, and require the collar to be held in as pipe is pulled out.
Post #1032042 18th Apr 2024 6:03pm
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Naycrx



Member Since: 11 Oct 2023
Location: Nottinghamshire
Posts: 93

 
Hmmm..... I would say its been taken off then , could anybody tell me the thread and pipe size, ?

Many thanks again for help
Post #1032044 18th Apr 2024 6:08pm
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Naycrx



Member Since: 11 Oct 2023
Location: Nottinghamshire
Posts: 93

 
M12 with a 6mm pipe ??
Post #1032045 18th Apr 2024 6:10pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5424

2006 Defender 110 Td5 USW Zermatt Silver
The original fitting is a brass item that is pushed into the axle hole.

It’s explained here.

https://gwynlewis4x4.co.uk/product/land-ro...-fittings/
Post #1032046 18th Apr 2024 6:14pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19611

United Kingdom 
Check the prop UJ’s right away, especially the one nearest the diff.

If they fail, or a bearing cup has failed, that can in turn cause the diff nose pinion oil seal to become oval and thus leak.
And if oil can leak out, water can get in so until fixed try and avoid significant amounts of water such as Fords, river crossings, deep water etc.

This is based on presumption, and bear in mind the UJ’s can be difficult to notice their failure unless unbolted.
Mine went though servicing and MOT unnoticed at the time, I checked by taking it off and it was obvious, not so easy to tell whist bolted in situ though.

Are the nipple / zerks there? When were they last greased out of interest?

Thumbs Up Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
Post #1032048 18th Apr 2024 6:23pm
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Naycrx



Member Since: 11 Oct 2023
Location: Nottinghamshire
Posts: 93

 
Yes we have the original brass one after uncovering the dirt.....I have just got a new fitting and pipe....I'll fit that see if its better
Post #1032049 18th Apr 2024 6:24pm
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