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nickhodgson

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

Small Regular Water Loss

I have been topping up the coolant on my Puma consistantly since I got it. I was new and now has 30k kms on it. It seems that every 5000-7000kms I add about 2-300ml of water to the header tank to bring it back to the cold level. I have also made sure that the bleed screw location is also full of water at the same time.

Any idea where it could be going as there are no obvious leaks?

If it was something big like a head gasket problem it would surely have let go by now. Espicially as most of my driving is high speed in hot weather with the aircon on.

Also the engine temperature has never moved and the aircon has never cut out due to hot engine.

Cheers
Nick

29th Dec 2010 6:00pm

mse

Member Since: 06 Apr 2008
Location: UK
Posts: 5035

2016 Defender 110 Puma 2.2 XS CSW Scotia Grey

not necesarily - but you could always get it pressure tested.

More likely to be something like a jubliee clip issue...i had a similar fault for years and only by chance did i catch the slight drip from a pipe and fit a second jubliee clip ( the first was tight and located perfectly). In the mean time i had changed a number of things. Mike

29th Dec 2010 6:46pm

noworries4x4

Member Since: 24 Dec 2010
Location: Newton Abbot Devon
Posts: 1195

Check both sides of the radiator as mine was poorly swaged plastic to ally core and the only signs was a green yellow algie like trace all the way down the sides. Also hot antifreeze has a curry smell to it If everything is under control you are not going fast enough.

Every Day 16 MY Discovery 4 Commercial Workshop and Escort Vehicle
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29th Dec 2010 7:42pm

Toplink

Member Since: 05 Dec 2010
Location: Somerset
Posts: 159

I have found that some td5 and gems v8 engines appear to loose water on a regular basis.But they find their own level in the expansion tank,usualy below the the cold level line.
Next time the tank level is low try marking it and then check daily to see if it uses any more water. Its never over in my land rover.
2007 Defender HTop.
1952 Series One 80"
1977 Muir-Hill 111.
2014 Triumph Tiger800xc
1999 Discovery 2 td5
1982 Ransomes TSR300D.
2002 Yamaha XT600e.
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2008 John Deere X140

29th Dec 2010 9:36pm

Grockle

Member Since: 24 Nov 2008
Location: Peak District National Park
Posts: 2266

2008 Defender 90 Puma 2.4 XS CSW Tonga Green

never had to top up ours in 30k miles 2.4 90 XS
1968 1/32 scale Britains 109 Pick up.

30th Dec 2010 9:16am

mse

Member Since: 06 Apr 2008
Location: UK
Posts: 5035

Grockle wrote:
never had to top up ours in 30k miles

same here Mike

30th Dec 2010 9:39am

fekete

Member Since: 24 Dec 2008
Location: Here on the other end of the computer
Posts: 3626

2007 Defender 90 Puma 2.4 HT Bonatti Grey

and here

NEVER TAKE LIFE SERIOUSLY. NOBODY GETS OUT ALIVE ANYWAY

30th Dec 2010 9:40am

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2635

2010 Defender 90 Puma 2.4 SW Alpine White

mse wrote:
Grockle wrote:
never had to top up ours in 30k miles

same here

ditto, just past 14Kkm

30th Dec 2010 9:40am

funrover

Member Since: 12 Dec 2010
Location: Yorkshire
Posts: 130

2008 Defender 110 Puma 2.4 USW Stornoway Grey

Toplink wrote:
I have found that some td5 and gems v8 engines appear to loose water on a regular basis.But they find their own level in the expansion tank,usualy below the the cold level line.
Next time the tank level is low try marking it and then check daily to see if it uses any more water.

I've found that with my TD5 too, it seems to drop about a quarter of an inch but stays happily there. Editor of FunRover - One blog. Read it!
Land Rover rebuild video series here:

30th Dec 2010 11:54am

WelshGas

Member Since: 01 Oct 2010
Location: Vale of Glamorgan
Posts: 935

2010 Defender 90 Puma 2.4 XS CSW Santorini Black

The water level should change between Summer and Winter. As the Average temperature falls so the water volume in the cooling system, when cold, should drop to a lower level in Winter compared to Summer. Could this account for the changes noted?

31st Dec 2010 6:19pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2635

so much for that...

I just had to put in 750ml of coolant in the Puma. There are no signs of leaks anywhere, and this is the first time this has happened.

What should I be looking at in particular, and why didn't the EMS pick up the coolant loss? --
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

1st Apr 2011 6:23am

willy eckerslike

Member Since: 15 Jun 2009
Location: North yorks
Posts: 1789

2007 Defender 110 Puma 2.4 HCPU Keswick Green

Check EGR cooler gaskets

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110 HCPU Tipper

1st Apr 2011 8:41am

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2635

willy eckerslike wrote:
Check EGR cooler gaskets

Hmm.. is the turbo also water-cooled or not?

Could this have something to do with the EGR-shut remap from BAS? --
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

1st Apr 2011 1:24pm

dgardel

Member Since: 30 Nov 2008
Location: Veneto (Heart & Head)
Posts: 3586

No, not watercooled turbo here Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition

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1st Apr 2011 2:43pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2635

After I topped up the coolant this morning, I ran some errands. 80km later, the coolant level has gone down by around 5-6mm

No signs of leaks anywhere on the floor - guess it's a head gasket then

--
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

1st Apr 2011 2:45pm

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