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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2225

United Kingdom 
Front axle breather
How do l check if my front axle breather is blocked? Before l take the Defender in to get new oil seals l think it would be a good idea to see if the oil that’s started leaking from both swivels and the diff nose is due to a blocked breather.
Post #759498 18th Feb 2019 10:22pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Easiest way is to remove the diff filler plug and blow gently into the breather hose in the engine bay.
If you need to blow with any pressure at all then it needs removing and unblocking Thumbs Up 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
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Post #759502 18th Feb 2019 10:36pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5416

2006 Defender 110 Td5 USW Zermatt Silver
Take the filler bolt out the axe, then see if you can blow down the pipe, or use air line gently.
Post #759503 18th Feb 2019 10:37pm
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2225

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You mean the small plastic pipes at the back of the engine? There’s no way l could get to those to blow down them!
Post #759510 18th Feb 2019 11:11pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5416

2006 Defender 110 Td5 USW Zermatt Silver
Just lay on the top of your engine. Easy.

Or stick a rubber tube onto it to extend

Or use a compressor, gently. Even a computer keyboard blowy aerosol thingy. You will soon hear it if clear.
Post #759511 18th Feb 2019 11:35pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 898

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
Or lift the hood (bonnet) onto the windscreen and lean in and blow into it. Its really is that simple. 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #759524 19th Feb 2019 12:17am
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andrewlandy



Member Since: 07 Feb 2016
Location: Graz
Posts: 82

Austria 2016 Defender 110 Puma 2.2 USW Alpine White
does anyone have a picture of where to blow in to?
Post #759535 19th Feb 2019 8:49am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16858

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I tend to do it the other way, i.e., remove the tube from the axle and blow from the axle end to check the tube is clear, then make sure that the axle hole is clear by sticking a piece of bent wire down the hole (even though I can't see any way in which the axle hole can get blocked in the case of the type where the tube is colletted straight into the axle case).
Post #759539 19th Feb 2019 9:16am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5416

2006 Defender 110 Td5 USW Zermatt Silver
andrewlandy wrote:
does anyone have a picture of where to blow in to?


There are three plastic tubes at the rear of the engine above the bell housing. They have bent over tops like the top of a walking stick.

One is gearbox, on is transfer box, the other is front axle breathers. They aren’t labled though so need to be investigated which one. They are worth checking that they are clear whilst doing major service.
Post #759541 19th Feb 2019 9:25am
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2225

United Kingdom 
OK thanks for the advice/replies, l will have a go at it today.
Post #759542 19th Feb 2019 9:27am
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2225

United Kingdom 
Well, l took the breather out of the axle and blew through it using a piece of rubber tube.
It was clear so l
guess l need a diff nose oil seal as well.
Post #759624 19th Feb 2019 6:44pm
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Hufflepuff



Member Since: 25 Oct 2014
Location: Hampshire
Posts: 723

England 2005 Defender 90 Td5 XS CSW Tonga Green
grafty99 wrote:
Easiest way is to remove the diff filler plug and blow gently into the breather hose in the engine bay.
If you need to blow with any pressure at all then it needs removing and unblocking Thumbs Up


Rolling with laughter

I read that as "the Easiest way to remove the diff filler plug is to blow gently into the breather hose". I was wondering what your definition of gently is to blow hard enough to unwind the filler plug with breath alone! 2005 Td5 90 XS
1989 V8 110 CSW
Post #759630 19th Feb 2019 7:12pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
I'll huff and I'll puff and I'll blow your filler plug out Rolling with laughter 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
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Post #759633 19th Feb 2019 7:14pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 898

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
Just at the back of the motor by the air box


Click image to enlarge
 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #760000 21st Feb 2019 4:32pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 898

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
Rolling with laughter Thumbs Up
grafty99 wrote:
I'll huff and I'll puff and I'll blow your filler plug out Rolling with laughter
 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #760068 21st Feb 2019 10:22pm
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