2004 Honda Civic DX coolant leak

Discussion in 'Civic' started by ozzman71, Mar 17, 2025.

  1. ozzman71

    ozzman71 New Member

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    Hi Everyone.
    I'm have a 2004 Honda Civic DX that is leaking coolant from above/behind the thermostat. I thought it was the thermostat, but i changed it and it's still leaking.
    I've used a sealant, a cardboard gasket and a rubber gasket. And of course I've tried it without any gasket other than the rubber gasket on the thermostat itself.
    Anybody have any idea where it could be coming from? What does the thermostat housing bolt to? It looks like whatever that is, has a gasket that may be bad?
    Any help would be greatly appreciated.
     
    ozzman71, Mar 17, 2025
    #1
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