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    John Deere 6404 Overheating

    " My port John Deere 6404 &#40 " My port John Deere 6404 (1976, normally aspirated) overheats at anything over 1450 rpm. Before the onset of this problem it ran about 10 deg F hotter than the starboard engine. Now (until it overheats) it runs about 30 deg F hotter. I've tried the following...
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