For 1990-2009 cars

### Removal Procedure

1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
2. Disconnect the PCV fresh air tube from the left camshaft cover.
3. Remove the PCV fresh air tube from the air cleaner outlet duct.
4. Remove the retaining clip securing the PCV dirty air tube.
5. Disconnect the PCV dirty air tube from the PCV orificed tube.
6. Remove the PCV dirty air tube from the intake manifold.

### Installation Procedure

1. Connect the PCV dirty air tube to the intake manifold fitting.
2. Connect the PCV dirty air tube to the PCV orificed tube.

Important: Ensure that the PCV dirty air tube is located between the tabs of the intake manifold.

3. Attach the retaining clip to the intake manifold.
4. Connect the PCV fresh air tube to the left camshaft cover.
5. Connect the PCV fresh air tube to the air cleaner outlet duct.
6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .