Check coolant level in coolant recovery tank and radiator
Once the cooling system has had time to depressurize, open the radiator cap and pour your coolant in.
If it is an automatic transmission, the cooler in the radiator is most likely leaking into the coolant system.
On a 2007 Mercury Milan : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
Remove the oil pan drain plug to drain the oil. Remove the lower radiator hose to drain the coolant.
The 2007 Mazda MAZDA6 has 16 valves.
The 2007 Mazda MAZDA3 has 16 valves.
The 2007 Mazda MAZDA5 has 16 valves.
The 2007 Mazda MAZDA5 is a gas-powered vehicle.
The 2007 Mazda MAZDA6 has an inline 4 engine.
The 2007 Mazda MAZDA3 is a gas-powered vehicle.
The 2007 Mazda MAZDA5 has an inline 4 engine.