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Cooling trouble star power 7,3

Posted: Mon Jun 22, 2026 6:21 am
by St trope 3200 Norway
Hi i have a cooling problem on my boat,when the engine is running the sea water pump cooling god but when the termostat is opening on 78 celsius the engine gets over 100celsius on 2000rpm. I have changed the glykol on fresh vater side and changed the impeller. I have cleand the heat exchanger. But still going to hot. Have anybody has the same fault and have a solution?