How to Solve the Problem of Electric Vehicle Disc Brake Not Releasing After Locking?
3 Answers
Electric Vehicle Disc Brake Not Releasing After Locking? The solution for an electric vehicle's disc brake not releasing after locking is to replace the brake caliper. The reason for this issue is a malfunction in the brake caliper. An electric vehicle is a relatively simple and common mode of transportation, primarily consisting of components such as the frame, motor, battery, and electronic control system. Electric vehicles can be categorized based on the number of tires and structural types into: electric bicycles, electric motorcycles, electric unicycles, electric four-wheelers, electric tricycles, and electric scooters. According to the power source, they are classified into: pure electric vehicles, range-extended electric vehicles, hybrid electric vehicles, and fuel cell vehicles.
As an experienced electric vehicle repairer, it's quite common to encounter disc brakes that lock up and don't retract. Generally, there are these reasons: brake pads excessively worn and jamming the disc, return springs aging or rusting causing inflexibility, or insufficient brake fluid causing piston seizure. To solve it, take it step by step: first, park and ensure safety, don't force the ride. Then inspect the caliper, disassemble to see if it moves freely; if there's rust, lubricate with engine oil. Replacing new brake pads easily solves wear issues. If the disc is warped, it needs straightening or replacement. Remember to perform maintenance every six months, cleaning the system and checking fluid levels. If all else fails, send it for repair promptly, don't risk tampering with it yourself. Safety first, prevention is more important than repair. After all, electric vehicles are ridden frequently, and brake issues can cause accidents at any time. Proper maintenance ensures a worry-free ride.
A few days ago, my e-bike's brakes also got stuck, and the wheel wouldn't turn, which was quite annoying. Upon inspection, I found that the disc was contaminated with oil, causing it to stick to the brake pads. Cleaning it with alcohol solved the problem. If the brakes don't return to position, it might be because the brake cable is too tight—try loosening it a bit to allow the caliper to rebound. Also, check if there's any debris blocking the piston holes and spray some WD-40 for lubrication. Daily maintenance is simple: clean the brake area every three months of riding, keep it dry, and prevent mud and water from accumulating. Beginners should note that if any abnormalities are noticed while riding, slowly pull over to the side and address the issue. Regularly check the brake pad thickness and replace them if they're too worn. Once you get into the habit, you can handle minor issues yourself, saving both money and hassle. These tips were all learned from the repair shop mechanics.
