For 1990-2009 cars

### Removal Procedure

1. Twist the tube/oill fill cap counter clockwise to unlock the tube/oil fill cap from the left (front) valve rocker arm cover.
2. Lift up the front of the fuel injector sight shield. Slide the tab out of the engine bracket.
3. Replace the tube/oil fill cap in the left (front) valve rocker arm cover.

### Installation Procedure

1. Remove the tube/oil fill cap from the left (front) valve rocker arm cover.
2. Insert the tab of the fuel injector sight shield under the engine bracket.
3. Place the hole of the fuel injector sight shield onto the oil fill neck of the left (front) valve rocker arm cover.
4. Install the tube/oil fill cap through the fuel injector sight shield into the left (front) valve rocker arm cover.
5. Twist the tube/oil fill cap clockwise in order to lock the tube/oil fill cap in place.