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Greyman110



Member Since: 29 Sep 2017
Location: London
Posts: 327

United Kingdom 
Where's my coolant going?
I topped it up to the line recently and checked today and its dropped by a few centimetres!

I thought before it seemed to be using more than my other car but now I specifically measured it and it is!

Haven't don't any long drives, no leaks anywhere, no drips on the floor... Nothing!

Is this a normal defender thing?
Post #721737 6th Aug 2018 2:44pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6298

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
the filler caps have a tendency not to last long before they start leaking. Thumbs Up
Post #721743 6th Aug 2018 3:03pm
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williamthedog



Member Since: 29 Dec 2012
Location: south wales
Posts: 3441

2011 Defender 90 Puma 2.4 PU Tamar Blue
+1for the cap Thumbs Up
Post #721744 6th Aug 2018 3:15pm
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Greyman110



Member Since: 29 Sep 2017
Location: London
Posts: 327

United Kingdom 
Thanks for that. I'll pick up a new one and see if it make a difference.
Post #721755 6th Aug 2018 3:32pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324

United Kingdom 
May I suggest a better cap?


Click image to enlarge

More details here:

http://www.defender2.net/forum/post710243.html#710243 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
Post #721762 6th Aug 2018 4:13pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20376

United Kingdom 
It isn't too hard to drain the system, but do ensure all inlets and utlets are capped from ingress. A nitrile glove or two is excellent.
And ensure fluid drained is kept as clean as possible and you can re-use it, best filtered as well. $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪


Last edited by custom90 on 6th Aug 2018 9:01pm. Edited 1 time in total
Post #721766 6th Aug 2018 4:38pm
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Big Harold



Member Since: 09 Jul 2018
Location: nsw
Posts: 71

Australia 2015 Defender 130 Puma 2.2 HCPU Alpine White
Just had the same issue.
Can you smell coolant in the cab?
The heater core on mine was leaking and I couldn't find a drip anywhere.
Still not convinced that it was the only leak.
I put a bottle of Rissoline Head Gasket repair in and all good.
Not something that I would normally do but have got one Defender broken cannot afford two.
You need to investigate further.
Maybe bypass the heater at the valve and see if you still loosing coolant.
Mark
Post #721847 6th Aug 2018 9:00pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8032

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
one of mine drops a cm or so below the normal and then stays there. so your continues to drop i take it? Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #721867 6th Aug 2018 9:45pm
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v8bobber



Member Since: 26 Aug 2012
Location: pembrokeshire
Posts: 445

United Kingdom 2008 Defender 110 Puma 2.4 DCPU Java Black
I’ve been through 2 caps now. 3 if you include the non genuine one I tried first!
Post #721873 6th Aug 2018 10:35pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20376

United Kingdom 
As has been mentioned it's a normal trait fir fluid to drop a couple of centimetres below the max fill line.

If it's down more than around an inch though or keeps going down further then there is something.
I would say possibly hairline crack in radiator if hose.
It depends really on if it keeps going down and down ( without topping it up.) or it stays static. $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪
Post #721874 6th Aug 2018 10:59pm
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johnp1887



Member Since: 24 Jul 2016
Location: Kirkby Lonsdale
Posts: 32

United Kingdom 2009 Defender 90 Puma 2.4 HT Tamar Blue
I had a similar coolant loss, eventually traced it to EGR cooler. 1954 series 1-sold
1962 lwb breakdown truck-sold
1986 90 hard top-sold
1988 90 hard top-sold
1990 90 hard top-sold
1992 Defender 90 hard top-sold
1994 Defender 90 hard top-sold
1996 Discovery Tdi-sold
1987 90 Pick up-sold
1998 Defender 90-sold after 108,000
1985 90 Hard top-SADLY SOLD
2004 Defender 90 Hard top-sold
2008 Freelander2-sold
2006 110 Hardtop-sold
2011 Freelander2-sold
2009 Defender 90
Post #722018 7th Aug 2018 4:48pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8032

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
so, does it continue to drop or stabilise a set distance below the fill line? without retopping that is. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #722238 8th Aug 2018 1:15pm
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Greyman110



Member Since: 29 Sep 2017
Location: London
Posts: 327

United Kingdom 
I think with all my little top ups I must have done over 1l of coolant in the last 10 months.

The only reason I check it is because sometimes the engine smells hot if that makes sense?

Compared to other cars I've owned that I have never had to top up, it does seem a lot.

I'm going to put a new cap on it, top it up to the line again and keep an eye on it.
Post #722245 8th Aug 2018 1:52pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20376

United Kingdom 
This time just leave it, and see where it goes. If it goes lower than about an inch from the fill line there's an issue.
Most including my own sit just below the fill line and stays there. About 1/4" below the line approx. $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪
Post #722254 8th Aug 2018 2:09pm
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johnp1887



Member Since: 24 Jul 2016
Location: Kirkby Lonsdale
Posts: 32

United Kingdom 2009 Defender 90 Puma 2.4 HT Tamar Blue
I had been looking for a coolant loss for several weeks, the level was dropping all the time, however I had to change the EGR again ( 3rd time !!!) and I could see a drip of water leaking from the cooler ,when I spoke to the Parts people at Kentdale Land Rover he said that they do sell quite a few EGR coolers for the 2.4 engine ( also D3 2.7 engine ) 1954 series 1-sold
1962 lwb breakdown truck-sold
1986 90 hard top-sold
1988 90 hard top-sold
1990 90 hard top-sold
1992 Defender 90 hard top-sold
1994 Defender 90 hard top-sold
1996 Discovery Tdi-sold
1987 90 Pick up-sold
1998 Defender 90-sold after 108,000
1985 90 Hard top-SADLY SOLD
2004 Defender 90 Hard top-sold
2008 Freelander2-sold
2006 110 Hardtop-sold
2011 Freelander2-sold
2009 Defender 90
Post #722323 8th Aug 2018 5:46pm
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