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rossy



Member Since: 29 Nov 2010
Location: Co. Roscommon
Posts: 1296
Ireland 2011 Defender 110 Puma 2.4 CSW Stornoway Grey
does coolant need topping up frequently ?
well my Puma has done about 5000km and at about 3k km I noticed the coolant level was slightly below the mark indicated on the side of the ball shaped expansion/filler vessel. I thought it might be just where it wasn't fully filled at the factory so I put some distilled water in there ( I'm going to get a bottle of the correct spec coolant tomorrow ).

2k km later I noticed its back at the same slightly lower level again. Is this a leak or just normal expansion out of the overflow ? I had this on a previous car where the full level was always below the indicated one - if you filled to the mark it came out the overflow but otherwise I never had to top it up.

Has anyone else noticed this or had a leak somewhere in the cooling system ? I did a search and couldn't find anything. Thanks
Post #103851 1st Dec 2011 7:48pm
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T1G UP



Member Since: 08 Dec 2009
Location: Bath
Posts: 3101
England 2011 Defender 110 Puma 2.4 XS CSW Orkney Grey
leave it mark the bottle when cold with a crayon. check it when hot and keep an eye on it.
Post #103857 1st Dec 2011 7:55pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4658
Ireland 
Any marks on the outside of the bottle? Like dried up white streaks? If so it is coming out of the expansion cap. If it stays at the one level leave it, provided it is within the lower/upper level margin. Usually if there is too much in it, it gets rid of the excess by the expansion cap doing what it is supposed to do. There is a lot of water in the cooling system so losing a tiny amount through the expansion cap will be of no concern. If the level suddenly drops below the lower level then you have a problem. There is only so much room in the bottle so any excess will be expelled. Like TIG UP says mark it at the slightly lower level and see if it stays there. If it does that will be your correct safe level. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #103866 1st Dec 2011 8:17pm
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Defendit



Member Since: 31 Oct 2010
Location: Down Under
Posts: 26
Australia 2011 Defender 110 Puma 2.4 SW Keswick Green
I had this problem and would say your cap is venting at a lower pressure than it should. There should not be any drop from the full mark. No evidence on my bottle but a new cap fixed it.
Post #103869 1st Dec 2011 8:23pm
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warren



Member Since: 14 Oct 2009
Location: East Lancs.
Posts: 903
England 2009 Defender 90 Puma 2.4 HT Santorini Black
My coolant kept mysteriously disappearing with no signs of leaks, a new cap sorted it Thumbs Up
Post #103873 1st Dec 2011 8:27pm
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rossy



Member Since: 29 Nov 2010
Location: Co. Roscommon
Posts: 1296
Ireland 2011 Defender 110 Puma 2.4 CSW Stornoway Grey
thanks lads I'll keep an eye on it. By the way I understand that you have to use fancy XLC coolant in these motors. Apparently if you mix standard Holts/ Halfords stuff with it it does no end of harm to the cooling system
Post #103874 1st Dec 2011 8:33pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4658
Ireland 
http://www.lintonfueloils.com/Site/downloa...ant(1).pdf
Exciting stuff... 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #103876 1st Dec 2011 8:38pm
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kingofthesparks



Member Since: 06 Jan 2011
Location: Very close to Watford gap services , northants
Posts: 987
United Kingdom 2012 Defender 90 Puma 2.2 HT Fuji White
why use distilled water ?
Post #103879 1st Dec 2011 8:44pm
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rossy



Member Since: 29 Nov 2010
Location: Co. Roscommon
Posts: 1296
Ireland 2011 Defender 110 Puma 2.4 CSW Stornoway Grey
only because there is no 'hardness ' in it. I live in a hard water are and I wouldnt want the cooling system ending up like the inside of my kettle !
Post #103883 1st Dec 2011 8:50pm
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kingofthesparks



Member Since: 06 Jan 2011
Location: Very close to Watford gap services , northants
Posts: 987
United Kingdom 2012 Defender 90 Puma 2.2 HT Fuji White
rossy wrote:
only because there is no 'hardness ' in it. I live in a hard water are and I wouldnt want the cooling system ending up like the inside of my kettle !


Thumbs Up
Post #103885 1st Dec 2011 8:52pm
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
warren wrote:
My coolant kept mysteriously disappearing with no signs of leaks, a new cap sorted it Thumbs Up

Mine too! I'll buy a new cap - thanks for the info Thumbs Up Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #103912 1st Dec 2011 10:11pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4658
Ireland 
ZeDefender wrote:
warren wrote:
My coolant kept mysteriously disappearing with no signs of leaks, a new cap sorted it Thumbs Up

Mine too! I'll buy a new cap - thanks for the info Thumbs Up

If your Puma is under warranty get the dealer to fit one. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #103915 1st Dec 2011 10:13pm
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
spudfan wrote:
If your Puma is under warranty get the dealer to fit one.

Yup - in for a service soon... Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #103919 1st Dec 2011 10:16pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4658
Ireland 
ZeDefender wrote:
spudfan wrote:
If your Puma is under warranty get the dealer to fit one.

Yup - in for a service soon...

E-mail first and let them know when you book the service and they can have one in for you. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #103921 1st Dec 2011 10:19pm
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WelshGas



Member Since: 01 Oct 2010
Location: Vale of Glamorgan
Posts: 935
Wales 2010 Defender 90 Puma 2.4 XS CSW Santorini Black
Coolant level will drop slightly, when measured cold, as the ambient temperature drops from Summer to Winter i.e.: if correct in Winter excess fluid will vent during hotter Summer and will then be slightly lower following Winter. This would be normal. Likewise if correct in Summer will be lower when measured during colder Winter. Normal Physics. LANDYWATCH

Neighbourhood Watch for Land Rover Owners

http://www.landywatch.co.uk/smf2/index.php
Post #103922 1st Dec 2011 10:21pm
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