How to Check if Brake Pads Need Replacement

[StAlaina]

Here are specific methods to determine whether brake pads need replacement: 1. Check the thickness. Generally, new brake pads are about 1.5 cm thick. If they are worn down to one-third of their original thickness, or less than 5 mm, it is recommended to replace them promptly. 2. Listen for sounds. If you hear a metallic scraping noise when braking, this may indicate that the brake pads have worn down to their minimum thickness, causing the wear indicators on the sides of the pads to scrape against the brake disc, producing noise. Immediate replacement is necessary. 3. Look for warnings. Some vehicle models have brake wear indicators. If the brake pads are excessively worn, the sensor wire will come into contact with the brake disc, causing a change in resistance and generating an electrical current. This triggers a signal, and a brake pad warning light will appear on the dashboard. 4. Rely on feel. If the brake pedal feels lighter than usual, or if braking feels difficult or ineffective, this indicates severe wear and insufficient thickness of the brake pads, requiring prompt replacement.