Tip - How to Find a Leaking Air Brake Chamber | eHow

Air brakes, as found on many large trucks over 10,000 pounds of gross weight, and on passenger buses, are composed of an air compressor unit, air lines, and air brake chambers--also called "pots." Of all the components, the air chambers wear out the most over time since they have moving parts within, mainly a "diaphragm." When a...