Is the 'bang' sound when pulling the handbrake a sign of breakage?
2 Answers
This sound occurs when the brake pads are stuck to the brake discs. Lightly tapping the brakes a few times after starting the car will resolve it. Sometimes, this situation also arises when driving the next day after washing the car and leaving it parked without use. Below are specific details about the handbrake: 1. Handbrake: The handbrake operates on the lever principle, using a steel cable to activate the rear wheel braking mechanism. The key components are the locking tooth and gear, which automatically engage with each other. 2. Pulling the handbrake (braking the rear wheels): When the handle is pulled up, the tooth automatically springs up to catch the next gear, while the connected steel cable gradually tightens, thereby applying the rear wheel brake pads. 3. Releasing the handbrake (releasing the rear wheels): When the handle button is pressed, the tooth and gear separate. Pressing down the handle at this point releases the tensioned steel cable, thus disengaging the rear wheel brakes.
A few days ago while driving, I also heard a similar sound. That 'pop' when pulling the handbrake doesn’t necessarily mean the cable is broken. More often, it’s the normal operational sound of the spring in the handbrake system releasing tension, much like the click when closing a door. If the sound is crisp and brief, and the handbrake still securely locks the wheels, there’s usually no major issue. However, be alert to abnormalities: if the sound becomes tearing or dragging, or the tension feels loose, there might be potential risks like cable wear, caliper rust, or component aging. I recommend doing a simple self-check first: find a safe slope and test if the handbrake holds the car; if the car slides noticeably, it’s time to visit a repair shop immediately. Safety first—don’t delay. Regular handbrake maintenance can prevent accidents, and small adjustments can save you from big troubles.
