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| Brigadoon Member Since: 27 Aug 2020 Location: Galloway Posts: 2   
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2009 Puma 2.4 - cylinder head gasket was replaced a year ago following which we have had a niggling problem with engine over heating. Usual symptoms - rapid rise on temp gauge and engine into limp mode.
We have changed the entire cooling system over time and the engine has been pressure checked with nothing abnormal found. Nothing we did made any odds Thermostat was replaced with 82 deg unit which helped a bit but not a lot - OBD reader indicates engine running far too hot. So I cut a thermostat in two and drilled out the plate putting 2no 4x30mm holes in it - effectively open circuiting the cooling circuit. However after running a few miles we noted a leak out of the modified unit so stuck the 83 deg unit back in. Following which we had no further issues at all - towing trailers to 3500Kg with no temp issues at all and peak temperatures in the order of 85deg Until we lost the turbocharger oil pipe and hence the turbo So we changed the turbo and are back to the temperature issue. We have bled this engine to death via the bleed screw as recommended - it makes no difference whatever So we are back to open circuit cooling for the moment. It seems to me that we are not getting the air out of the system for some reason Anyone else experienced this or got a solution? |
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11th Mar 2021 7:59pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4660 
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Check all of the hose clamps. One could be loose allowing coolant to escape. I had your symptoms and it turned out to be the loose hose clamp issue. New clamp fitted and issue sorted. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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12th Mar 2021 7:58pm |
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| Brigadoon Member Since: 27 Aug 2020 Location: Galloway Posts: 2
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There is no loss of coolant
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12th Mar 2021 8:06pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4660
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O.K. not the problem I thought it might be. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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12th Mar 2021 8:08pm |
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