2012 Ford Focus, 155K miles, it is leaking a decent amount of coolant when my partner drives it to work but doesn’t even leak a drop if I drive it to work. The mileage is the same but I don’t sit in traffic. Could the extra heat from sitting in traffic be opening up a pinhole sized leak in the coolant line?

Edit: Thanks to a tip from the comments when the heat is turned on it leaks. I should be able to bypass that line pretty easy.

Thanks [email protected]

  • @[email protected]
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    11 year ago

    So you are breaking the heater in your car and removing the defroster a safety feature? Just replace the heater core…

    • @YoBuckStopsHereOP
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      111 year ago

      This is to get it to stop leaking coolant until I can change the heater core.