No.
Replacing the thermostat in a 2000 Ford Focus SE wagon is very easy to do. First the radiator hose will need to be disconnected from the thermostat. After the hose is drained and disconnected, the thermostat can be removed by taking the two bolts off.
on top of the thermostat housing.
Normally the thermostat is located at the point where the upper radiator hoses connects to the engine.
Follow the top radiator hose from the Radiator to the engine. The thermostat is locataed under the housing that bolts onto the engine
thermostat sticking
Is your fan coming on?
No
all you need to change the thermostat is a #25 trox driver- there are three screws 2 at the top and 1 on the lower left side
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yes