How Long Can You Drive When the Brake Pads Squeak?

[KingLee]

There is a sensor in the brake pads that triggers an alarm when contacted. It is still far from the limit state and can run for tens of thousands of kilometers. The specific details are as follows: 1. Function of brake pads: Brake pads, also known as brake linings, are the most critical safety components in a car's braking system. The effectiveness of all braking relies on the brake pads, making high-quality brake pads the guardian of both people and vehicles. 2. Composition of brake pads: Generally, they consist of a steel plate, an adhesive heat insulation layer, and a friction block. The steel plate is coated to prevent rust, and the coating process is monitored using an SMT-4 furnace temperature tracker to ensure quality by detecting the temperature distribution during coating. The heat insulation layer is made of non-heat-conductive materials to provide thermal insulation. The friction block is composed of friction materials and adhesives, which are pressed against the brake disc or drum during braking to generate friction, thereby achieving the purpose of decelerating and stopping the vehicle. Due to friction, the friction block gradually wears out. Generally, the lower the cost of the brake pads, the faster they wear. 3. Working principle of braking: It mainly relies on friction, utilizing the friction between the brake pads and the brake disc (or drum), as well as between the tires and the ground, to convert the kinetic energy of the moving vehicle into heat energy through friction, thereby stopping the car. A good and efficient braking system must provide stable, sufficient, and controllable braking force, along with excellent hydraulic transmission and heat dissipation capabilities, to ensure that the force applied by the driver on the brake pedal is effectively transmitted to the master cylinder and sub-cylinders, while avoiding hydraulic failure and brake fade caused by excessive heat.

[OEmersyn]

I've driven quite a few cars, and the squeaky brake pads make me a bit nervous. I remember last winter my car did the same thing - it would squeal every time I braked. At first, I thought it was just rust from the cold weather, but after a few days, the noise became more frequent. Upon checking, I found out the brake pads had worn too thin, and the metal backing plate was scraping against the rotor - that's a serious warning sign. How long you can keep driving depends: if the noise is minor and occasional, like just for short trips to the supermarket, you might manage another 50-60 miles without major issues, but definitely no longer. If braking performance deteriorates or fails completely, an accident on the highway is no joke. Safety comes first - every time I hear that noise, I head straight to the repair shop. It's not worth risking your life to save a few bucks. Always pay attention to braking distance while driving. If the pedal feels too soft or too hard, stop and check immediately. After all, new pads only cost a few hundred dollars - much cheaper than replacing rotors.

[VanCora]

I used to think it's okay to keep driving when the brake pads start squealing, but that's just wishful thinking. From my driving experience, that sound usually means the wear indicator is warning you, and the brake pads might only have 2-3mm thickness left. Under normal driving conditions, they might last about 300 kilometers, but the risk is extremely high. Once I tried to save money by not replacing them immediately and ended up driving an extra 500 kilometers, which ruined the brake discs. In the end, I spent over a thousand dollars on repairs—totally regret it. The key is to consider your driving habits: if you're in stop-and-go city traffic, you might get away with it, but forget about highways—brake failure could happen anytime. Here's a tip: check the source of the brake noise. If it's just a small stone stuck in there, cleaning it out might solve the problem. But if the sound is sharp and persistent, get it fixed ASAP. Don’t skimp on brakes—learn from my mistake. Now, the moment I hear any noise, I head straight to a professional shop. Replacing the pads isn’t even that expensive.

[DeAmelia]

When brake pads squeal, everyone says don't ignore it. I think that metallic sound is the warning sign they're nearly worn out. As a car enthusiast with some mechanical knowledge, I understand the causes: most often it's excessive wear or rust on the pads, sometimes debris gets stuck too. How long can you keep driving? Professionals suggest if the noise is mild and intermittent, you might manage 200-500 km but shouldn't delay; if the squealing is loud or accompanied by longer braking distances, stop driving immediately for repairs. Continuing to drive accelerates brake rotor wear - replacing rotors costs 2-3 times more than pads. I once tested driving 50km with squealing pads, and when I stopped, the pads were completely shot. Safety tip: when you hear the noise, reduce speed avoiding hard braking, and drive straight for inspection. Regular checks of pad thickness can prevent this issue.