How to Know When to Replace Brake Pads?
2 Answers
New brake pads have a thickness of 2.5 cm, and they need to be replaced when they wear down to 0.5 cm. Here are the specific instructions for brake pad replacement: 1. Replace the brake disc every two brake pad replacements: When the combined groove depth on both sides of the brake disc exceeds 3 mm or the edges of the brake disc become sharp, it should be replaced promptly. 2. Related to driving environment and habits: Driving in urban areas or mountainous regions will shorten the replacement cycle, while frequent highway driving will extend it. 3. Related to wear level: Determine whether replacement is needed based on the wear condition. During normal use, if the brake disc develops deep grooves or uneven wear due to foreign objects or quality issues, it should be replaced immediately to avoid safety hazards.
I've been driving for over a decade and have encountered many brake pad issues. Let me share some experience. The simplest method is listening for sounds: when you press the brake, if there's a sharp squealing or grinding noise, it likely means the brake pads have worn through the protective layer and need replacement. Another way is to feel the braking response; if the brake pedal feels softer than usual or the stopping distance becomes noticeably longer during emergency braking, that's a clear signal. Regular thickness checks are also crucial; use a ruler to measure the remaining thickness - replace immediately when it's down to 2-3mm. Don't ignore the warning light on your dashboard; if it comes on, act promptly. I once delayed replacement and nearly lost braking power - that was close. I recommend checking every 20,000 kilometers or so - safety first.
