For 1990-2009 cars

### Removal Procedure

1. Release the retaining clamp (1) and remove the vacuum hose (2) from the vacuum port on the engine.
2. Remove the check valve and hose from the brake booster by gently turning the check valve right then left while pulling straight out from the grommet.
3. Remove the vacuum hose from the check valve.

### Installation Procedure

1. Install the vacuum hose to the check valve.
2. Install the brake booster check valve and hose assembly to the booster.
3. Install the vacuum hose (2) to the engine vacuum port.
4. Install the vacuum hose clamp (1).