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Home > Technical > coolant loss |
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mike42 Member Since: 21 Mar 2022 Location: orpington Posts: 44 |
Hello, after lots of trouble free miles,I have a problem....its loosing about 1L of water per 2 weeks...not seeing any puddles , engine oil is fine, cant really see the radiator , I do get that water smell when I open the bonnet , I hope its not the erg cooler as i've very little funds at the moment....no water coming out the exhaust, and running fine. Can the erg cooler be bypassed? leaving the erg in place...the water pump is a year old (gates)..its a 2011 hse diesel ...many thanks for any ideas mike |
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26th Oct 2024 3:02 pm |
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Dave47 Member Since: 31 Aug 2014 Location: Margate Kent Posts: 1334 |
My first port of call would be the cheapest, a new cap for the header tank. they do get tired and loose
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26th Oct 2024 4:05 pm |
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Rommel Member Since: 20 Aug 2017 Location: Sandhurst Berkshire Posts: 647 |
I would get it up on ramps and remove the underbelly cover run the engine up and look for leaks, though there are no puddles coolant can get blown back. 2013 FL2 XS.
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26th Oct 2024 5:44 pm |
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Aveling Member Since: 24 Mar 2011 Location: Cardiff Posts: 266 |
I'd be pretty certain on it being the EGR cooler sadly. |
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26th Oct 2024 6:38 pm |
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mike42 Member Since: 21 Mar 2022 Location: orpington Posts: 44 |
do you know if can be bypassed? |
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26th Oct 2024 9:11 pm |
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mike42 Member Since: 21 Mar 2022 Location: orpington Posts: 44 |
thanks i've just ordered some bar's I'll see how that goes |
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27th Oct 2024 9:49 am |
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Bobupndown Member Since: 26 Dec 2014 Location: Upside down behind the TV! Posts: 2816 |
Had a slight coolant loss on my wife's old VW Tiguan. Nothing obvious but when I got under it you could see pink staining at the bottom of the cambelt cover. It was the waterpump failing. Replaced it along with a timing belt which was about due. Landrover - turning owners into mechanics since 1948
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27th Oct 2024 1:02 pm |
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mike42 Member Since: 21 Mar 2022 Location: orpington Posts: 44 |
I'm hopeing its not the pump as I replaced it 18 months ago along with the belt...# |
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27th Oct 2024 5:25 pm |
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Grue Member Since: 29 Apr 2018 Location: New Zealand Posts: 371 |
Let us know how it goes Mike. Mine's been needing a liter every couple of months - not enough for me to go for a witch hunt under there just yet. |
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27th Oct 2024 10:43 pm |
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 5062 |
My Gates water pump had a small bleed screw which you have to check for tightness during installation or else they can leak. Jules |
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28th Oct 2024 7:49 am |
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Jagracer Member Since: 22 Feb 2019 Location: east anglia Posts: 198 |
The heater matrix under the centre dash inside the car can fail at the ends. Check the footwell carpets for moisture. There are lots of hose positions to leak, so its best to go over the lot. Bypass the cooler by joining the two hoses together, it might cause the cooler to give warning codes, overheating. I hate leaks too, and I had the radiator cap stick, and come apart. Had to replace the header tank too. |
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28th Oct 2024 2:20 pm |
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mike42 Member Since: 21 Mar 2022 Location: orpington Posts: 44 |
update....update.......just taken the under car plate off and I can see dripping at the rear of the engine, its dripping onto a large pipe which I think is a radiator hose and it looks like its coming from the turbo area??? there seems to be a silver heatsheid and its coming from behind that....theres nothing to see from the top....any ideas??? its quite a leak...dripping quite fast...thanks |
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2nd Nov 2024 3:38 pm |
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jimbowats Member Since: 11 Apr 2018 Location: uk Posts: 44 |
Could be EGR cooler? thats above the heatshield above the turbo in the area you mention? |
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2nd Nov 2024 5:15 pm |
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 5062 |
To get a good view of the EGR cooler from the top and then remove it you need to remove quite a bit to be able to see down the back of the engine. Even then I needed a mirror on a stick to see where the nuts/bolts were. Its not difficult - just awkward and takes time.
Plus the engine cover and EGR exhaust transfer tube
You might be able to get a view of the leak with a video from a phone on a stick. Jules |
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3rd Nov 2024 10:44 am |
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