Removing
1. Disconnect the negative battery cable.
2. Disconnect the oxygen sensor wire, remove the sensor if you are installing a new manifold.
3. Unscrew the heat shield bolts and remove the shield.
4. Raise and secure the front of the vehicle.
5. Disconnect the exhaust pipe from the manifold and lower the car.
6. Unscrew the manifold bolts and remove the manifold.
Installation
1. Clean the mating surfaces of the manifold and cylinder head. If the manifold gasket is leaking, contact a specialist.
2. Install a new gasket.
3. Install manifold and insert bolts.
4. Tighten the bolts and install the remaining parts.
5. Check engine operation.