Brakes
The process of removing air bubbles from brake hydraulic lines after pad changes, fluid swaps, or caliper service. Trapped air compresses under pedal force, producing a soft pedal. Typical JDM bleed order: passenger rear, driver rear, passenger front, driver front (furthest from master cylinder first). Track-prepped cars use DOT 4 or DOT 5.1 fluid bled before every event.