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03-01-2020, 11:05 PM
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#1 | ||
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Starter Motor
Join Date: Mar 2016
Posts: 21
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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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30-01-2020, 04:25 PM
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#2 | ||
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Regular Member
Join Date: Feb 2011
Posts: 120
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Wife's car (same as yours) had exactly the same symptoms.
It was only a gasket in our case but I think you're on to something with the water pump efficiency. Even though the thermo fan run-on issue has stopped on our car, the engine still runs hot in my opinion and I don't trust the temperature sensor at all. At one point, the car boiled dry and there was no High Temp warning. NRMA says the temperature sensor is working fine. 0_o |
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29-05-2020, 08:34 PM
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#3 | |||
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Starter Motor
Join Date: Mar 2016
Posts: 21
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Quote:
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04-06-2020, 08:59 PM
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#4 | ||
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Regular Member
Join Date: Jan 2017
Posts: 34
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Hi,
Looks like I having same problem with fan running for a minute or so after turn engine off. Probably another fun part to get to |
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04-06-2020, 09:14 PM
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#5 | ||
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Starter Motor
Join Date: Mar 2016
Posts: 21
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Yes these engines good on fuel but not living up to the duretec name. These HE 2.3 are mazda design many parts properly mazda in accessories and parts. Ecoboost 2.0 makes more power with low pressure turbo seem to be more quieter in running. I now moved to Ecoblue Diesel in the Endura love the diesel engine but still kept the mondeo Ma for it still going well.
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Thermo fan running fast after excessively Water pump failure
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