Power Brake Systems To diagnose a power brake assembly
{"Image DocumentName": "Power Brake Systems To diagnose a power brake assembly", "Image ImageDescription": "1. Pump the brake several times with the engine off to remove vacuum from the booster. 2. Start the vehicle the brake pedal should move downward slowly as vacuum begins to build. 3. A hard brake pedal can be caused by: A. Defective brake booster diaphragm. B. Low vacuum to the brake booster. NOTE: In case the engine should stall while driving, Vacuum booster are design to maintain vacuum providing the operator time to stop safely.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}