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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5417  
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Shouldn’t be leak8ng at all, and needs to be a sealed system to work most efficiently.
Big question is where is it leaking from? |
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8th Apr 2019 8:12am |
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| Bluest Member Since: 23 Apr 2016 Location: Lancashire Posts: 3997  
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The reservoir cap is common spot, but you can usually see that easily. 2007 110 TDCi Station Wagon XS
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8th Apr 2019 8:14am |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2496 
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Are you 100% sure it's coolant and not condensate from air con. As stated above it should be a sealed system. Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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8th Apr 2019 8:16am |
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| arran jones Member Since: 21 Nov 2016 Location: south west Posts: 725
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Yeahhh..
It doesnt over heat or anything soo.... The actaully cap is fairly new as the old one was faulty and it was bubbling inside the tank...so replaced that and its all good apart from this leak from dont know where! Hah |
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8th Apr 2019 8:18am |
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| arran jones Member Since: 21 Nov 2016 Location: south west Posts: 725
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@discomog
A: I havnt got aircon unless that makes no difference B: I should of taken a picture but when i wiped it up with a bit of kitchen roll it was bright pink...or that sort of colour |
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8th Apr 2019 8:25am |
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| arran jones Member Since: 21 Nov 2016 Location: south west Posts: 725
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As long as the level keep at the right amount that would be the most important thing i guess,
Also is there anywhere i can buy a coolant level tester from??? That shows if its the right strength and if there is a leak or not? Thx |
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8th Apr 2019 2:50pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19572
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Try and trace the source of where it’s coming from. Definitely sounds like coolant to me. Check radiator and waterpump nearer the floor side Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
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8th Apr 2019 6:08pm |
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| arran jones Member Since: 21 Nov 2016 Location: south west Posts: 725
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Ive just taken a picture of the tank,
If its just coming out from the cap ... i dont know why there would be a puddle on the floor when the engine hasnt been running all weekend!?!?  Click image to enlarge (Any ideas) |
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8th Apr 2019 7:14pm |
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| arran jones Member Since: 21 Nov 2016 Location: south west Posts: 725
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Ive come across this on amazon..
Seems to have plenty of good reviews...but obviously if its the cap it wont make a difference! Its a 236ml bottle and treats up to 12 cyclinders so would that be enough for a defender 2.4 engine? Click image to enlarge Click image to enlarge |
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8th Apr 2019 8:00pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19572
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Have you ever changed the header tank?
If not, I’m wondering if your issue is that rather than the cap. Perhaps the threads are not good and or the top edge lip to cap needs to be perfect seal for the cap to work properly. There could be a manufacturing defect. I assume it looks okay though? Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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8th Apr 2019 9:02pm |
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| arran jones Member Since: 21 Nov 2016 Location: south west Posts: 725
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Hi,
No i havnt changed the actuall tank since ive had it! Do you mean it could be the actaull coolant tank?? |
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8th Apr 2019 9:09pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240 
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The expansion tank caps are a bit of a known problem and when mine started to show signs of failure, I replaced it with an Iveco version, which is reputably more robust:
Click image to enlarge They're not particularly cheap and tracking one down that I could buy on line was a bit of a challenge, but I eventually sourced it from a website called 'Vexi', which is an online store operated by Norfolk Truck & Van Ltd: www.vexi.co.uk/parts/iveco/view/I99489567/plug Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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8th Apr 2019 9:33pm |
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| arran jones Member Since: 21 Nov 2016 Location: south west Posts: 725
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Ok thanks.
I will have a look, does it have the same pressure rating? But why would it leak out of thw cap onto the floor when the engine is cold and not running? Ive emailed Dan@Duckworth and asked for a whole new tank and pipes, As i will be replacing it..i guess i will need more proper coolant, how many litres does the 2.4L take? |
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8th Apr 2019 9:43pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240
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Yeah, it works exactly the same as the original, without leaking of course.
If it really is just your cap, it could be something to do with the way it cools and the liquid collects before dripping off. Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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8th Apr 2019 10:01pm |
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