 | Home > Tdi > Where has my coolant gone? |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347   
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Ahh ok yes makes sense. Will give them a poke through!
Would this cause it to loose water though? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter  |
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7th Aug 2015 9:14pm |
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| g-mack Member Since: 07 Jan 2014 Location: northumberland Posts: 1967
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shaggy, when my head had cracked it was slowly losing coolant. had to top it up few times a week. couldn't see a leak, no white smoke.
or so i thought!! as soon as the cold weather came i could see the steam billowing out the back! but hardly noticed it when warm out! My 109 thread my youtube channel |
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7th Aug 2015 9:16pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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I'm really hoping it isn't a cracked head as you cannot find them, even turner engineering don't have them. Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter |
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7th Aug 2015 9:24pm |
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| g-mack Member Since: 07 Jan 2014 Location: northumberland Posts: 1967
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don't think the 200 were as susceptible to heads cracking as the 300. might be your gasket though! My 109 thread
my youtube channel |
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7th Aug 2015 9:42pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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They arent but I'm trying to cover all bases.
Plus a good 200Tdi head would be a very useful spare to have! How did you find doing the head on yours? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter |
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7th Aug 2015 9:55pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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Water level does drop very slowly over about 3 months. I had just topped it up along with the oil and put it down to general old engine consumption of fluids. However recently it has stated dropping much faster.
Reading up on it, looks achievable but would prefer to have a learned sage with me who can help and advise. Cutting rust out is easy, engines are much much more delicate and difficult to replace Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197
Self confessed mileage hunter |
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7th Aug 2015 10:09pm |
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| g-mack Member Since: 07 Jan 2014 Location: northumberland Posts: 1967
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actually its fairly easy, just time consuming. think it took a good afternoon to get the head off and block cleaned up. And maybe a bit longer to put it all back together. nothing was difficult to remove, all straight forward. for me the faffy part is the re torquing sequence. My 109 thread my youtube channel |
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8th Aug 2015 9:08am |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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Hi Guys,
Just a quick update to say it has been in for its service and the technicians looking at it have found no Leaks on a block test, no coolant contamination from a sniffer test which indicates that the head is fine. So, My boss's Dad has an old V8 Disco which has recently failed its mot so he has kindly lent me its coolant cap so I can try running with that for a while to see how it reacts. Otherwise, drawing blanks all round I think! Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter |
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14th Aug 2015 12:03pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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Another update
Complete coolant change on Thursday as part of her heavy service, got the garage to to a Sniffer test and block test which showed up nothing wrong. My boss's dad has let me borrow a new cap which has been on since Saturday and yet still the temperature has been getting hot and it has lost coolant 
I have no idea what to do now  Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197
Self confessed mileage hunter |
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18th Aug 2015 12:27pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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One of my co-workers has suggested maybe one of the coolant galleries is blocked and causing a localised hot spot which is causing the coolant loss and overheating?
Can anyone recommend a way of checking my galleries are clear? Or a good Tdi safe Coolant flushing/cleaning system? Any advice welcome  Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197
Self confessed mileage hunter |
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18th Aug 2015 1:19pm |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127 
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Shaggy, I know it's not what you want to hear, but when I done sniffer test on mine it showed all clear.
These seem to only work if a gasket is blowing from cylinders. It was only until I took the head off it had gone between the water ways. I think to get to the bottom of this, I would be looking at taking the head off. Sorry! 80" 80" 86" 88" 90"
Wanted, Forward Control Anything considered. |
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18th Aug 2015 1:40pm |
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| g-mack Member Since: 07 Jan 2014 Location: northumberland Posts: 1967
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i wonder if there is such a thin as a coolant leak down test? like for the bores. My 109 thread
my youtube channel |
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18th Aug 2015 1:56pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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I'm trying to avoid doing that as its my only vehicle and I cant have it off the road for too long. Or really afford for it to go into a garage for it ether
It is all pointing towards having a head strip down though
I just want to get rid of all other possibilities first  Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197
Self confessed mileage hunter |
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18th Aug 2015 3:38pm |
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| grumpy old git Member Since: 16 Nov 2013 Location: United Kingdom Posts: 153
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I used the Holts two part flusher on our Tdi and Td5 Disco, worked really well.  Click image to enlarge |
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19th Aug 2015 8:48am |
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