 | Home > Puma (Tdci) > Where's my coolant going? |
 
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6264   
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the filler caps have a tendency not to last long before they start leaking.
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6th Aug 2018 4:03pm |
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| williamthedog Member Since: 29 Dec 2012 Location: south wales Posts: 3441 
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+1for the cap
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6th Aug 2018 4:15pm |
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| Greyman110 Member Since: 29 Sep 2017 Location: London Posts: 323 
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Thanks for that. I'll pick up a new one and see if it make a difference.
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6th Aug 2018 4:32pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240 
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May I suggest a better cap?
 Click image to enlarge More details here: http://www.defender2.net/forum/post710243.html#710243 Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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6th Aug 2018 5:13pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19535
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It isn't too hard to drain the system, but do ensure all inlets and utlets are capped from ingress. A nitrile glove or two is excellent.
And ensure fluid drained is kept as clean as possible and you can re-use it, best filtered as well. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 Last edited by custom90 on 6th Aug 2018 10:01pm. Edited 1 time in total |
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6th Aug 2018 5:38pm |
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| Big Harold Member Since: 09 Jul 2018 Location: nsw Posts: 71  
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Just had the same issue.
Can you smell coolant in the cab? The heater core on mine was leaking and I couldn't find a drip anywhere. Still not convinced that it was the only leak. I put a bottle of Rissoline Head Gasket repair in and all good. Not something that I would normally do but have got one Defender broken cannot afford two. You need to investigate further. Maybe bypass the heater at the valve and see if you still loosing coolant. Mark |
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6th Aug 2018 10:00pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7682 
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one of mine drops a cm or so below the normal and then stays there. so your continues to drop i take it? Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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6th Aug 2018 10:45pm |
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| v8bobber Member Since: 26 Aug 2012 Location: pembrokeshire Posts: 437 
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I’ve been through 2 caps now. 3 if you include the non genuine one I tried first!
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6th Aug 2018 11:35pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19535
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As has been mentioned it's a normal trait fir fluid to drop a couple of centimetres below the max fill line.
If it's down more than around an inch though or keeps going down further then there is something. I would say possibly hairline crack in radiator if hose. It depends really on if it keeps going down and down ( without topping it up.) or it stays static. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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6th Aug 2018 11:59pm |
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| johnp1887 Member Since: 24 Jul 2016 Location: Kirkby Lonsdale Posts: 32 
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I had a similar coolant loss, eventually traced it to EGR cooler. 1954 series 1-sold
1962 lwb breakdown truck-sold 1986 90 hard top-sold 1988 90 hard top-sold 1990 90 hard top-sold 1992 Defender 90 hard top-sold 1994 Defender 90 hard top-sold 1996 Discovery Tdi-sold 1987 90 Pick up-sold 1998 Defender 90-sold after 108,000 1985 90 Hard top-SADLY SOLD 2004 Defender 90 Hard top-sold 2008 Freelander2-sold 2006 110 Hardtop-sold 2011 Freelander2-sold 2009 Defender 90 |
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7th Aug 2018 5:48pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7682
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so, does it continue to drop or stabilise a set distance below the fill line? without retopping that is. Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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8th Aug 2018 2:15pm |
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| Greyman110 Member Since: 29 Sep 2017 Location: London Posts: 323
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I think with all my little top ups I must have done over 1l of coolant in the last 10 months.
The only reason I check it is because sometimes the engine smells hot if that makes sense? Compared to other cars I've owned that I have never had to top up, it does seem a lot. I'm going to put a new cap on it, top it up to the line again and keep an eye on it. |
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8th Aug 2018 2:52pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19535
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This time just leave it, and see where it goes. If it goes lower than about an inch from the fill line there's an issue.
Most including my own sit just below the fill line and stays there. About 1/4" below the line approx. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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8th Aug 2018 3:09pm |
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| johnp1887 Member Since: 24 Jul 2016 Location: Kirkby Lonsdale Posts: 32
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I had been looking for a coolant loss for several weeks, the level was dropping all the time, however I had to change the EGR again ( 3rd time !!!) and I could see a drip of water leaking from the cooler ,when I spoke to the Parts people at Kentdale Land Rover he said that they do sell quite a few EGR coolers for the 2.4 engine ( also D3 2.7 engine ) 1954 series 1-sold
1962 lwb breakdown truck-sold 1986 90 hard top-sold 1988 90 hard top-sold 1990 90 hard top-sold 1992 Defender 90 hard top-sold 1994 Defender 90 hard top-sold 1996 Discovery Tdi-sold 1987 90 Pick up-sold 1998 Defender 90-sold after 108,000 1985 90 Hard top-SADLY SOLD 2004 Defender 90 Hard top-sold 2008 Freelander2-sold 2006 110 Hardtop-sold 2011 Freelander2-sold 2009 Defender 90 |
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8th Aug 2018 6:46pm |
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