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nickhodgson



Member Since: 08 Dec 2009
Location: Zambia
Posts: 174
 
Hi

This was happening to me....coolant was disappearing and there some streaks on the header tank. Turned out to be the head gasket and then the head. Changed the engine to sort it out.

I have also heard of the EGR cooler leaking internally.

I also tried several new caps and a new thermostat that did not work. It also only lost water if it was pushed on a hot day.

Nick
Post #103953 2nd Dec 2011 5:54am
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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
just in case anyone needs a top up with the correct coolant the part no. is STC50529. Its a 1litre bottle and costs £8 from your dealer (got some yesterday)
Post #104223 3rd Dec 2011 8:42am
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Andreas Schuback



Member Since: 25 Oct 2011
Location: scotland
Posts: 31
United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
coolant leak at cap on expansion tank, new cap fitted still leaking, new expansion tank fitted problem solved under warranty game on. Thumbs Up
Post #104861 5th Dec 2011 8:46pm
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Flaskandsarnies



Member Since: 05 Dec 2013
Location: Stirling
Posts: 2
United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Re: does coolant need topping up frequently ?
rossy wrote:
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


Yes I had this on our 2.4 defender. First the dealer suggested I had been fiddling with the cap of the expansion tank and had put the seal in upside down. Suitably amused I let him ramble on. Then it leaked through the cap again. New cap fitted. It then split the expansion tank. I fitted a new tank and cap and it was fine for months. Now the cap is leaking again. No sign of head gasket problems and it just looks like the normal poor quality Landrover product and parts matched with ridiculous labour ares...yes it's British apart from the Ford improvements and the new parent company, what a product.
Post #288077 5th Dec 2013 11:20pm
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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
There have been a couple of queries on coolant level recently so its interesting to note that its two years since I first expressed these concerns. And since - soon afterwards- I just let it settle to about 10mm below the Full line it honestly hasn't budged since.
Post #288100 6th Dec 2013 8:48am
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2638
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
warren wrote:
My coolant kept mysteriously disappearing with no signs of leaks, a new cap sorted it Thumbs Up


Yep, and should be replaced every year as a service item. Thumbs Up --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



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Post #288104 6th Dec 2013 9:47am
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