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Temperature flactuations and loosing coolant

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Old Sep 16, 2023 | 08:09 AM
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c250
Temperature flactuations and loosing coolant
Good day, My name is Mpho,i'm new. I have a W204 C250 CDI, I have replaced the water pump, thermostat, water reservoir bottle and the cap (3x caps replaced). the system has been blown to remove any air bubbles. the temperature flactuate between 80 and 90 degrees. When that happens, the vehicle start to loose the coolant through the cap. Any idea as to how I can resolve the problem?
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Old Sep 17, 2023 | 05:18 AM
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what is pressure rating of cap you are using?
What cap did you replace with?
What type of coolant and what is water to coolant ratio?
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Old Sep 17, 2023 | 10:33 AM
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Originally Posted by ygmn
what is pressure rating of cap you are using?
What cap did you replace with?
What type of coolant and what is water to coolant ratio?
its 140/200
Mercedes OEM Cap
Mercedes Coolant and not sure about the ratio.
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