2891632 - 3330D20 one-way valve for brake servo - r+r

Removing ( Refitting ) Open the bonnet lid.1. Disconnect the one-way valve from the brake servo.2. Disconnect the one-way valve from the pipe, then remove it. Refitting ( Removing ) Fit the one-way valve on the vacuum pipe.Connect the one-way valve to the brake servo.Close the bonnet lid.