 | Home > Td5 > Td5 rear axle breather |
 
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| donmacn Member Since: 06 Nov 2017 Location: Nth Scotland Posts: 1841  
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You would need to give it all a good clean first, then if you’re lucky, pressing the red collar down, while pulling gently at the pipe at the same time, and it should come out. If you clean the end, and blow into it you should figure out pretty quickly if it’s blocked or not.
Whether that’s the most likely cause of an oil leak…. is another question. Could just be that a bit of movement at the drive flange has caused the seal/gasket to give up? Donald 1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong (The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html ) 2000 Range Rover P38 4.0L V8 in the past.. RR classic - fitted with 200Tdi 1984 RR classic - V8 with ZF auto box 1993 Discovery 300Tdi not to mention the minis and the Type 2 VW camper... |
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28th Jan 2024 5:26pm |
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| Register Member Since: 11 Jun 2023 Location: London Posts: 82 
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Donald,
thanks for responding, I hoped that would be the case, hopefully nothing major as I have a long way to go. Pete Everything's a hammer. |
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28th Jan 2024 5:29pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17386 
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The axle breathers are another feature of the more recent Defenders where "value engineering" has resulted in something almost entirely unfit for purpose.
Whilst you are investigating your breather it would be worthwhile locating the free end and making sure it is somewhere which doesn't get plastered in crud, like, for example, the rear nearside wheelarch. |
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28th Jan 2024 8:14pm |
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| Jabberwocky Member Since: 27 Oct 2021 Location: Luxembourg Posts: 223 
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When you say rear rim, do you mean the wheel? I had what I thought was oil pooling in the inner rim of the wheel and then running down the tyre onto the floor. If this is what you have then check your brake calliper, I had a leaking piston and fluid was dripping off the calliper onto the wheel.
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29th Jan 2024 1:42am |
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| Register Member Since: 11 Jun 2023 Location: London Posts: 82
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Thanks both for your input.
I’ll check both when I get to some hard standing. Currently amongst the trees.  Click image to enlarge Everything's a hammer. |
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29th Jan 2024 6:05am |
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| Register Member Since: 11 Jun 2023 Location: London Posts: 82
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So, brake pipes and unions all good and found the end of the axle breather up in the NS wheel arch. Yet to remove it.
Doesn’t looked to be blocked. Click image to enlarge Any other thoughts? Everything's a hammer. |
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29th Jan 2024 7:59am |
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| markb110 Member Since: 22 May 2010 Location: Guildford Posts: 2638  
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Take the breather off of the axle and blow air through it from a compressor or even a bicycle pump just to be sure
A previous owner may even have added a zip tie somewhere and pulled it up tight enough to crush the pipe mid way or it may have dropped and melted shut from the exhaust. |
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29th Jan 2024 12:39pm |
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| Register Member Since: 11 Jun 2023 Location: London Posts: 82
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Thanks I’ll take a look along the length.
Pete Everything's a hammer. |
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29th Jan 2024 12:44pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5707 
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When I check diff oil levels, and have filler plug out, I also blow through the vent pipe to make sure it’s clear.
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29th Jan 2024 8:54pm |
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| Register Member Since: 11 Jun 2023 Location: London Posts: 82
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Andy
Thanks up for anything rather that strip the hub at this stage. Everything's a hammer. |
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30th Jan 2024 8:15am |
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| Register Member Since: 11 Jun 2023 Location: London Posts: 82
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Not sure if it’s a good plan, but as I’m on road for a few more days and the weather’s fine, I’ve removed the breather from the axle casing.
Also removed the boost wheel centre. Not what you’d call clean in there. The rubber cap is showing it’s 20 years with a substantial split. Click image to enlarge It s it worth plugging that with some dumdum, which I have with me, as there’s now no pressure in the casing? Or am I flogging a long expired nag? Everything's a hammer. |
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30th Jan 2024 3:22pm |
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| 4RF RDS Member Since: 19 Jul 2015 Location: Ottawa Posts: 933  
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Leave it for now, replace next time you service that wheel. 👌🏻 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) |
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30th Jan 2024 7:27pm |
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| Register Member Since: 11 Jun 2023 Location: London Posts: 82
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Thanks.
’Leave it for now’ I can definitely do. Everything's a hammer. |
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31st Jan 2024 9:55am |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410
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If the breather is difficult to get out of the axle you can just remove the axle filler plug and blow down the breather pipe  Whilst there, check for kinks in the line. The purpose of the breather is to allow for pressure release, if the breather is OK then it is likely that your axle oil seals and/or stub axles are worn.
When it comes to oil leaks a little oil goes a long long way, so just keep an eye on oil levels and brakes until you can get it repaired. |
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31st Jan 2024 1:08pm |
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