Brake Pad Measurement
ROTOR MEASUREMENT See Figure 1 Slide the rotor measurement jaws until the rotor is held between them. If you are an aggressive driver that uses the brake often they will not last long. Brake Pad Quality Assurance Pads have equal amounts for friction material within 2-3 mm on both pads. Brake pad measurement . Also they get a shorter lifespan than usual when you have to engage the brake frequently due to heavy commuter traffic. A new brake pad will be around 12mm thick or 12 inch and pads with sensors typically start to warn you when they get to 3mm or 18 inch with a squeal or a warning light on the dash. How to check brake pads. With 30 years of experience under his belt James has. Read the measurement on the LCD screen -- brake pads are measured in thousandths of an inch. SAE J661 testing is used to determine the friction of different brake pad materials by testing a 1 inch 25 mm square liner with a brake drum. Heres how to check your brakes yourself in two steps