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DISCO3.CO.UK > Maintenance & Mods (D3)

D3 front diff side extension seal
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 515

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
D3 front diff side extension seal

Whilst messing around underneath the car changing the front prop, I spotted a moderate oil leak from the extension tube seal where the o/s front driveshaft mates up.

Not turned up anything specific on a forum search - can anyone tell me if the oil seal can be changed leaving the tube in situ?

Thanks Mikeyb Not such a Disco Newbie now!
IID BT  
Post #17868324th Mar 2017 2:32 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

There was a good post where a forum member rebuilt his front diff with new bearings etc but I cant find it!
Iirc the bearings in the diff are the same as defender wheel bearings?  
Post #17868384th Mar 2017 2:43 pm
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 515

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Thanks, I have have no plans (or hopefully need) to rebuild the diff, it's just the extension tube on the drivers side that is leaking. I'm hoping not to have to take it off, but knowing for sure one way or the other will determine when I find the time to do it. Not such a Disco Newbie now!
IID BT  
Post #17868424th Mar 2017 2:46 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Sorry I realised that its just the post I mentioned really went into detail and Im sure would have shown pics of the support tube etc, I think he was from abroad and did a really good job, well worth the effort to search and try and find it.

I did find another one that mentioned 5 different sized bearings and 3 seals needed for a rebuild.  
Post #17868534th Mar 2017 2:54 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Got it
http://www.disco3.co.uk/forum/topic134360.html  
Post #17868554th Mar 2017 2:55 pm
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 515

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

thats a useful link thanks Not such a Disco Newbie now!
IID BT  
Post #17869024th Mar 2017 4:13 pm
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Marmoset
 


Member Since: 28 May 2007
Location: Cheshire
Posts: 281

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Buckingham BlueDiscovery 4

Did you get a seal to fit MikeyB? I've just spotted mine is dong the same today and I'm seeing pArt no. TBZ500050 on diagrams, is that what you used?

Cheers

Edit: just read through that other thread and seen the same part no., D'oh,! 2011 D4 SDV6 HSE
2008 D3 TDV6 HSE
2005 D3 V8 SE - left in Oz..  
Post #183982322nd Jul 2017 8:40 pm
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 515

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Not had time to fit anything yet, but I bought the parts from AF a while back.

Couldn't find the seal listed on their website but talking to them revealed that it is the same as one of the other diff seals - the nose seal if I remember correctly?

In any case, the part number of the seal they sent me is TZB500050 Not such a Disco Newbie now!
IID BT  
Post #183993223rd Jul 2017 8:59 am
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Marmoset
 


Member Since: 28 May 2007
Location: Cheshire
Posts: 281

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Buckingham BlueDiscovery 4

Thanks Mikey, got one ordered and will hopefully get round to fitting it later this week....we have a trip to France in 2 weeks time and I know it'll only get worse if I leave it! 2011 D4 SDV6 HSE
2008 D3 TDV6 HSE
2005 D3 V8 SE - left in Oz..  
Post #184023524th Jul 2017 8:39 am
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BrettKaz
 


Member Since: 11 Nov 2013
Location: Canberra
Posts: 209

Australia 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3
Front diff breather mod

You might want to read the post below first before pulling the diff. Apparently the diff breather fails and pressure builds up and forces oil out of the seals. If you cut the breather you will hear a whoosh of air ... that means the breather is clogged - the part is cheap and just replaced mine (preventative).

Take my opinion with a grain of salt (I am no diff expert) but it might be worth snipping the breather and if you hear a whoosh - then just replace the breather and see how it goes.


http://www.disco3.co.uk/forum/topic92210.h...f+breather  
Post #184023924th Jul 2017 8:53 am
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Marmoset
 


Member Since: 28 May 2007
Location: Cheshire
Posts: 281

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Buckingham BlueDiscovery 4

Thanks Brett, sounds like a more appealing solution! I'll give it a look... 2011 D4 SDV6 HSE
2008 D3 TDV6 HSE
2005 D3 V8 SE - left in Oz..  
Post #184057225th Jul 2017 11:11 am
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Marmoset
 


Member Since: 28 May 2007
Location: Cheshire
Posts: 281

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Buckingham BlueDiscovery 4

A good call on the breather, there was a big rush of air out of mine when I pushed a screwdriver through it. I'd only done 10 miles today as well so it must have built up over quite a while...👍🏻 2011 D4 SDV6 HSE
2008 D3 TDV6 HSE
2005 D3 V8 SE - left in Oz..  
Post #184071725th Jul 2017 7:16 pm
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