Should the front and rear brake pads be replaced together?
2 Answers
Front and rear brake pads do not need to be replaced together as they have different replacement cycles. Compared to front brake pads, rear brake pads have a longer service life. Under normal driving conditions, front brake pads typically need replacement every 30,000-50,000 kilometers, while rear brake pads can last about 60,000-100,000 kilometers before requiring replacement. Introduction to brake pads: 1. Automotive brake pads, also known as brake linings, refer to the friction materials fixed on the brake drum or brake disc that rotates with the wheel. The friction lining and friction block within them withstand external pressure to generate friction, thereby slowing down the vehicle. 2. Automotive brake pads are generally composed of a steel plate, adhesive heat insulation layer, and friction block.
I'm a seasoned auto mechanic who changes brake pads every day. Let me tell you honestly, there's really no need to replace front and rear pads together. The front brake pads handle most of the braking force and wear out at least twice as fast as the rear ones. For regular family cars, front pads typically need replacement around 40,000 km, while rear pads can last at least 70,000 km. Plus, most modern cars have brake wear sensors - it's perfectly fine to replace them when the warning light comes on. During every maintenance check, I always inspect the thickness for customers. I recommend replacement when front pads go below 3mm, while rear pads can still keep working. Replacing both sets simultaneously is just throwing money away - why replace rear pads that still have 20,000 km left? Of course, if you're the type who loves driving fast and brakes aggressively, then the wear will be faster.