How do you change the base gasket 1999 mercury tracer?

To change the base gasket on a 1999 Mercury Tracer, start by disconnecting the battery and removing any necessary components to access the engine block, such as the intake and exhaust manifold. Carefully remove the old base gasket and clean the surfaces to ensure a good seal. Position the new gasket onto the engine block, then reassemble the components in reverse order, ensuring all bolts are tightened to the manufacturer's specifications. Finally, reconnect the battery and check for any leaks upon startup.