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Landyawd



Member Since: 04 Sep 2014
Location: Surrey
Posts: 20

England 2011 Defender 90 Puma 2.4 HT Java Black
2.4tdci diff leak
Hello,

Just purchased a defender really nice I must say!!

The dealer informed me they just replaced the rear diff pinion seal as it was leaking. I have just driven down the motorway on my home and it is leaking again.

I have trawled through the many related posts and am taking a guess it might be the breather that's blocked....?

How do I check the breather is clear, I can see it on the axle but have no idea how to get it off, any ideas??

Cheers
Post #356079 6th Sep 2014 1:33pm
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Landyawd



Member Since: 04 Sep 2014
Location: Surrey
Posts: 20

England 2011 Defender 90 Puma 2.4 HT Java Black
Sorry should have said it's a 11 plate 2.4 and it's the rear diff

The pipe coming off the axle seems to be a push fit but cannot get it off for love nor money!
Post #356080 6th Sep 2014 1:35pm
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ericvv



Member Since: 02 Jun 2011
Location: Near the Jet d'Eau
Posts: 5816

Switzerland 2009 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
Post #356084 6th Sep 2014 1:55pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17470

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Press the small brass collar that is round the breather where it exits the axle down while you pull the pipe. Blow through the tube to clear it (or to check it's clear) also check there isn't a blockage in the axle fitting using a length of wire.

If the breather is clear, check that there's no play in the pinion shaft bearings and if they're ok consider replacing the oil seal and flange again using genuine parts.

I had a similar leak from my front diff, and three separate decent quality aftermarket (not Britpart) flanges also leaked when fitted with new seals. When I measured them, all were out-of-round by several thou, and in the end fitting a genuine flange - which was properly round - with a new seal fixed the problem.

If your diff is leaking do make sure you keep it topped up with oil. It will self-destruct surprisingly quickly without adequate lube.
Post #356085 6th Sep 2014 1:56pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20480

United Kingdom 
Mine had this too but been fixed again for the second time.
This time done by main dealer so should be done properly!
I agree with above about the topping up but when I wanted to top up I could not get the plug undone what ever I tried!
Must have been way over tightened...
Sorted now though hopefully. Smile
Post #356096 6th Sep 2014 3:13pm
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Landyawd



Member Since: 04 Sep 2014
Location: Surrey
Posts: 20

England 2011 Defender 90 Puma 2.4 HT Java Black
Hi thanks for the replys. I will give it a go later on and see if the breather is blocked.

If not I guess the seal is either wrong or installed the wrong way round.

Will let you know how it goes.

Thanks again people!

Bow down
Post #356104 6th Sep 2014 3:50pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20480

United Kingdom 
The breather wasn't blocked on mine and still leaked but worth checking.
Post #356108 6th Sep 2014 4:08pm
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Landyawd



Member Since: 04 Sep 2014
Location: Surrey
Posts: 20

England 2011 Defender 90 Puma 2.4 HT Java Black
Ok the breather is blocked, not completely but it's certainly not free flowing....

I have taken it off the rear axle, can I leave it off and still drive the car??? Only motorway driving nothing muddy? Just until I get a replacement pipe fitted ?
Post #357087 10th Sep 2014 6:30pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5741

2006 Defender 110 Td5 USW Zermatt Silver
Yes. Just no muddy puddly play.

Andy
Post #357115 10th Sep 2014 7:48pm
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Landyawd



Member Since: 04 Sep 2014
Location: Surrey
Posts: 20

England 2011 Defender 90 Puma 2.4 HT Java Black
Thanks once again for the advice people

Bow down
Post #357117 10th Sep 2014 8:01pm
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