What Causes Slow Brake Return?

[DiRhett]

There are many factors that can affect the incomplete return of air brake systems, including brake pedal malfunctions, low brake pump pressure, and insufficient brake fluid. The specific details are as follows: Brake Pedal Malfunction: If the brake pedal is worn out, it may cause the pedal spring to loosen or screws to become loose, leading to symptoms such as slow or incomplete brake return. In such cases, a thorough inspection of the vehicle's pedal is necessary, and damaged components should be replaced immediately. Low Brake Pump Pressure: If the brake pump pressure is too low, it can also result in incomplete brake return. There are several reasons for low brake pump pressure, including clogged brake systems or air leaks in the booster. In such situations, it is advisable to visit a repair shop or 4S store for professional inspection and repair. Insufficient Brake Fluid: Lack of brake fluid is a key reason for incomplete brake return. In this case, the brake fluid should be checked immediately and replenished or replaced as needed.