For 1990-2009 cars

### Removal Procedure

Important: The vacuum check valve and grommet may be inspected or serviced without removing the brake booster from the vehicle.

1. Remove the brake booster vacuum hose at the vacuum check valve.
2. Remove the brake booster vacuum check valve from the booster.

### Installation Procedure

1. Install the brake booster vacuum check valve to the booster.
2. Install the brake booster vacuum hose at the vacuum check valve.