Ford YS4Z-9F593-AA Injector Assembly

To remove the exhaust manifold on models through 2004, disconnect the battery negative lead, jack up the front of the car, and support it securely on axle stands. Disconnect the wiring plug from the oxygen sensor in the exhaust pipe. Unscrew the four bolts securing the exhaust manifold heat shield and lift the shield off. Unscrew and remove the bolts securing the exhaust front pipe/catalytic converter support brackets. Remove the nuts and separate the catalytic converter-to-center section joint. Remove the two power steering pipe mounting brackets at either side of the manifold. Unscrew and remove the six bolts and three nuts securing the manifold to the cylinder head. Install the new gaskets and tighten all nuts and bolts to the specified torque.