Thread: mercury 312 3 speed manual cooling issue

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well i know i have not removed any metal shroud as i dont think it came with one stock.
the hoses i think are original, as the plug wires and coil and well basicly everything else is original. i have not checked the thermostat or anything like that. i know the left side of the radiator shows some corrosion but is not leaking. the bottom hose does have the wire in it and the top hose looks to be i good condition. i did drain the radiator fluid and put in new coolent but thats all ive done. now i could be over reacting in the temp gauge it starts with a L then the word temp then H. when im driving on the expressway the temp needle gets to the edge of the p in temp. i havent checked the temp of the hose with a lazer thermometer yet but to me thats to high. am i wrong?


ps. thanks for all the help and addvice i sure dont want to hurt this car. me and my wife love it!!