 | Home > Maintenance & Modifications > Coolant expansion tank cap (IVECO vs. OEM) |
 
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586  
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I did not understand why the coolant level go 2-3 cm (1 inch aprox) under the MAX sign (half bowl) every time I "correct" it(no signs of leakage).
Also I feel that other people have the same problem, including TD5 .... I thought it was a cap problem. I changed cap 4 or 5 times. 4 months ago, working on my "monster" (the Mi.G not my Defender) noted that the cap of the expansion tank IVECO might be fine. Control excess pressure from 1.0 to 1.2 bar, perfect !!!! Restore the correct level at half bowl, I installed it and use the Defender during these four months to see what happen ........... ................ The coolant level has not dropped!!!! P/N is IVECO 99489567  Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated  Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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26th Feb 2016 11:27am |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3346  
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Where does the hose go?
Is it just a drain off? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter  |
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26th Feb 2016 1:53pm |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586
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Down to the ground Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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26th Feb 2016 4:08pm |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 
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I'm not sure I see the issue - if the natural level is below the mark and remains constant?
If you fill to immediately below the overflow drain then it's bound to expand and loose some coolant, settling down when cold to a lower level. |
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26th Feb 2016 8:31pm |
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| dfilipu Member Since: 06 Feb 2016 Location: Savoie Posts: 5  
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I have the same issue on my 2.2 puma ( 66000km now but the issue become at 42000km ). Land rover keep mine for 2 weeks along and never find an issue but level stay nearly 1 inch under the max lever to.
I really want know why. If it's better with IVECO parts I mount it. Tanks for the idea. |
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28th Feb 2016 10:23am |
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| Fatboy Slim Member Since: 04 Feb 2008 Location: Bridgend Posts: 1006 
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My thoughts exactly |
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28th Feb 2016 11:33am |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586
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Rather it's the opposite. If I rectify at the correct cold level, when the engine is warm the pressure dilates the rubber pipes (more than the thermal expansion of the liquid) and the level drops. But when cold the coolant should return to the correct height. This happens with the IVECO cap but not with that land rover one. Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
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28th Feb 2016 12:49pm |
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| Phil VM2.5 Member Since: 28 Mar 2012 Location: Limelette Posts: 196  
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Hi,
Have the same with mine ... But, I do not see mark of coolant along the bottle so not sure it will change something ... But thanks for the idea I will try Phil current : defender 110 sw 2.2 puma 2012 and 230.000km today and again my Range Rover VM2.5 engine from 1992 and 528.000km today. One ten 1988 to 1992 1987 BMW GS80 One Ten from 1984 to 1987 One Ten from 1983 to 1984 Serie 3 109 from 1980 to 1983 from 1974 Jeep CJ3B and CJ6 |
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29th Feb 2016 12:07pm |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2261  
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Is the issue on the rubber gasket or the valve? Puma 110" SW
............................................................. Earth first. Other planets later |
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19th Jan 2019 3:44pm |
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| sherifsalem Member Since: 02 Jan 2013 Location: Porto Posts: 96  
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Where i can buy this Cap please... Happy Travel www.thegippo.wordpress.com |
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23rd Sep 2019 10:37pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240 
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There's almost certainly somewhere closer to you, but I got mine from here:
www.vexi.co.uk/parts/iveco/view/I99489567/plug 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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23rd Sep 2019 10:59pm |
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| sherifsalem Member Since: 02 Jan 2013 Location: Porto Posts: 96
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Hi gents
I bought the cap because I had the same experience with lower liquid level. Infact opposite to the original cap that does not let the air in or out. This Iveco cap, I can see that this cap does not compress the air inside the expansion tank like the original , the iveco cap has 2 way ventilation , is that the aim to be breathing in two way ? Still have to source the tube !!! Click image to enlarge Click image to enlarge Happy Travel www.thegippo.wordpress.com |
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26th Oct 2019 3:11pm |
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| Yannis Member Since: 02 Feb 2015 Location: Oxfordshire / Milan Posts: 402 
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What size hose is needed for the drain off?
Also, typing in the part number to Google, there are many replica items. Has anyone brought a non genuine cap? |
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13th Oct 2020 5:58pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240
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Given the problem that it's solving and the cost involved, I can't really see the point in risking a copy, to be honest.
From memory, the pipe was 8mm but it's probably best to get one in your hands and check before buying. 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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13th Oct 2020 9:12pm |
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