Exhaust manifold installation details
Removing
1. Disconnect the negative cable from the battery.
2. Remove the pipes of the air injection system.
3. Remove the air injection unit, mounting bolt and oxygen sensor (if equipped) and disconnect the high temperature shroud.
4. Oil the cylinder head and catalytic converter or exhaust pipe, strut threads and allow to soak completely for ten minutes.
5. In the engine compartment, remove the nuts securing the exhaust manifold to the cylinder head and to the catalytic converter or exhaust pipe.
6. Separate manifold from cylinder head and catalytic converter or exhaust pipe and lift away from engine.
Installation
7. Remove all traces of gasket material from the manifold and cylinder head. Be careful not to scratch the aluminum surface.
8. Position the manifold on the cylinder head using new gaskets and install the lock nuts. Install the nuts and bolts securing the manifold to the catalytic converter or exhaust pipe. Tighten the manifold nuts with the tightening force specified in the Specifications. Tighten the nuts from the center of the manifold in a diagonal sequence.
9 Install the heat shroud, injection air tubes, and any other components that have been removed.