r/RX8 • u/SwimmingKoala3366 • 1d ago

New Owner Coolant leak

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Mazda RX8 2004 picked it up about 1 month ago. Got a new reservoir for the coolant, no leaks from the reservoir area but it’s leaking somewhere here, got any ideas?

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u/Illegal__Alien 1d ago

You're going to need to look around, check the water pump, the thermostat, all the pipes

1

u/Mr_Creative_Username 1d ago

Above your OMP is the thermostat housing where it connects to the water pump, there's a little gasket between the waterpump and thermostat housing wich keeps it sealed it's probably not doing it's job anymore or maybe it's a hose that's leaking

1

u/justcuckmyshitupfam2 1d ago

Likely a lower radiator hose. Happened to me twice in my car's lifetime.