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CapeLandy



Member Since: 21 Jul 2008
Location: Cape Town
Posts: 558
South Africa 
My leak was also as fast as yours but it also evaporated off that it never made a puddle and could not easily be seen.
Mine was the bottom corner of the radiator from the engine bay side which was only seen once on a lift with strong light.

I suggest you do the same just to be sure before panicking about thee head. Puma 110 - gone
Series III 1973 - going strong
Post #65918 1st Apr 2011 7:07pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2599
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
CapeLandy wrote:
My leak was also as fast as yours but it also evaporated off that it never made a puddle and could not easily be seen. Mine was the bottom corner of the radiator from the engine bay side which was only seen once on a lift with strong light. I suggest you do the same just to be sure before panicking about thee head.


Thanks!

Going to Schalk Burger for a pre-trip inspection on Tuesday. Will put on the lift and run a pressure test. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #65929 1st Apr 2011 8:48pm
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nickhodgson



Member Since: 08 Dec 2009
Location: Zambia
Posts: 172
An Update.....



I still have the problem of regular loss of water. I have now done a further 15,000kms since earlier reporting the problem.

I now notice some coolant stains on the coolant hoses and engine/gearbox below the header tank. But, to date, despite frequent attempts to catch the leak in the act I have failed. One time I was close when driving along I smelled coolant stopped and there was fresh coolant around the headertank and manifold and ECU but no leak!!!

We have since changed the EGR Cooler as we thought that may be the problem. The next items on order are a new header tank and cap. Maybe the tank is leaking around the seam when hot???

I have also tried to test the air in the header tank when the engine is hot and running with a "block tester" that has a fluid in it that changes colour if exhaust gasses are present. it did not change colour.

Anyone got any other ideas?

Cheers Nick
Post #66276 5th Apr 2011 3:01pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2599
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
Nick, went to the mech this morning. We ran a pressure test, and it is definitely leaking somewhere, but no sign of the coolant fluid anywhere Shocked

If there isn't any exhaust gases in the coolant then it's good news - at least it's not the head gasket!

But I'm with you on the leaking seams when they get hot - the more I spend time under the landy, the more shocked I am at the horrendous build quality Neutral --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #66281 5th Apr 2011 3:40pm
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707
United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
Does antifreeze show bright green under ultra violet light ? 130's have feeling's as well you know Smile
Post #66305 5th Apr 2011 7:54pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2599
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
AndrewS wrote:
Does antifreeze show bright green under ultra violet light ?


Erm, not sure. The one I use is orange. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #66333 6th Apr 2011 6:05am
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nickhodgson



Member Since: 08 Dec 2009
Location: Zambia
Posts: 172
Hi,

It seems that this problem was the HEAD GASKET. I have changed it and now done 1000kms with no more fluid loss. The gasket did appear to have some marks showing tracking between the front of no1 piston and the water ways.

It is amazing that I drove with this coolant loss for 20,000kms and never overheated - according to the gauge anyway.

Puma owners be warned!!! And by the way it is quite a job to do the head gasket.

Cheers
Nick
Post #73073 27th May 2011 3:48pm
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