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Posted: Tue Sep 23, 2008 8:56pm

Post Subject: Kingfisher KD26 Engine

I have a Kingfisher engine which has done about 10,000 hours. She's just been fitted with a new expansion/header tank as th old one had developed a hole. We've always believed that the engine cooling system was a presurised system but since fitting the new tank the engine has frequently overheated. What could be causing this problem?


Posted: Tue Sep 23, 2008 10:29pm

Post Subject: Kingfisher KD26 Engine

Dear John, If this is in a narrowboat I suspect the skin tank has not had the air bled from it. Air can also be trapped in kinks and bows in hoses. If you look at the earlier Kingfisher questions you will find a web address for the manuals. They may show if it is pressurised, but I would very much doubt that it has to be. If this engine has a brass Jabsco raw water fitted (it may be pumping water through the skin tank) has the impeller been changed recently - they wear out. I suspect its air. Tony Brooks

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