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Home > Puma (Tdci) > Advice pls - catastrophic header tank failure
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ickle



Member Since: 22 Jul 2010
Location: South Vendee
Posts: 1777

France 2008 Defender 110 Puma 2.4 CSW Alpine White
Coolant must have been into cylinder & cylinder pressure into coolant, but it was tiny amounts. Main leak was split radiator caused by faulty cap that over pressurised the system.

There was never any trace of coolant in oil or in exhaust.

My €5k bill roughly breaks down as €2k French recovery to home, €2.7k head, rad, turbo, expansion tank, cap, gaskets etc etc €300 locally made anaesthetic, mainly red.

All good now though!

For an engine that has done 250odd K Km inside was spotlessly clean, all of the compression/burn trace (don't know how to describe it) on the pistons was uniform and even the original honing marks are visible on the cylinder walls, the last 'old' engine I can remember playing with in my yoof was probably an old A series in a mini and you could hide a penny in the wear ridge at the top of the cylinder wall!
Post #1018579 17th Dec 2023 1:48pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2081

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
I knew the plastic expansion tanks were prone to fracture/leaking, but wasn’t aware that the caps may also be an issue. Need to have a look now 👍
Post #1018581 17th Dec 2023 2:17pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 1995

United Kingdom 
If a new cap worth looking at a genuine IVECO cap, part number 99489567.

See topic https://www.defender2.net/forum/topic44373.html?highlight=iveco
Post #1018593 17th Dec 2023 4:47pm
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