Thermo fan running fast after excessively Water pump failure
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Water pump seal and shaft let go. This engine 2.3 litre HE Duratec seem to to have cooling system problems from when at 23000km now I know why. Thermo fan seem to be running very fast for 3 minutes after engine turned off. At first i thinking thermo fan switch defective . But later had replaced plastic thermostat housing that is plastic for it cracked at temperature sensor . But recently thermo fan still running excessively. So i thinking Radiator is undersized for Australia. But no until the water pump destroyed itself i replaced with a GMB water pump from Repco $124 vs ford water pump $142. I am glad not use genuine part for water pump GMB A9397226 from repco is the best thing i ever done for it actually pumps coolant and thermo fan doesn't run high speed and not for 3 minutes like it was doing before. Now engine is cooled properly by efficient new pump thermo fan sometimes not even running after engine off. What a difference
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