Impeller in the water pump worn resulting in decreased pump rate. Replace water pump. Also check the radiator tubes. They may be partially plugged and need to be rodded out. Radiator may look good, no leaks, but if passages are plugged it wont cool properly.
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Impeller in the water pump worn resulting in decreased pump rate. Replace water pump. Also check the radiator tubes. They may be partially plugged and need to be rodded out. Radiator may look good, no leaks, but if passages are plugged it wont cool properly.