For 1990-2009 cars

### Removal Procedure

1. Remove the vacuum line from the check valve.
2. Remove the vacuum harness mounting clips from the cam shaft cover studs.
3. Remove the vacuum line from the throttle body harness.

### Installation Procedure

1. Install the vacuum harness mounting clips onto the cam shaft cover studs.
2. Install the vacuum line into the throttle body harness.
3. Install the vacuum line onto the check valve.