Video: About Brake Servo/Booster The video below is a mini guide to the health of your car’s brake servo/booster. https://youtu.be/j9s7yccswPQ Related By OzoIgboNdu1 of Igbo Defender I am an Igbo prince. Onye Igbo ka m bu! View all of OzoIgboNdu1 of Igbo Defender's posts.