For 1990-2009 cars

### Removal Procedure

1. Remove the air pipe nut, if equipped.
2. Remove the air pipe bolts, if equipped.
3. Remove the air pipe, if equipped.
4. Remove the air pipe gasket, if equipped.
5. Remove the exhaust manifold heat shield.
6. Remove the engine block heater, if equipped.
7. Remove the heated oxygen sensor.
8. Remove the exhaust manifold to the cylinder head retaining nuts.
9. Remove the exhaust manifold.
10. Clean all sealing surfaces.
11. If the exhaust manifold is being replaced, transfer the following parts:

• | The exhaust manifold heat shield

• | The heated oxygen sensor

12. Replace the exhaust manifold nuts.