How Many Wheels Does the Handbrake Control?

[Natalie]

The foot brake controls all four wheels (front and rear), while the handbrake controls the two rear wheels. The foot brake operates disc brakes, whereas the handbrake is a parking brake typically used with drum brakes. Introduction to the Handbrake: The professional term for the handbrake is auxiliary brake. Unlike the main braking system, it uses a steel cable connected to the rear brake shoes to apply braking force to the vehicle. Prolonged use of the handbrake can cause the steel cable to undergo plastic deformation. Since this deformation is irreversible, long-term use may reduce effectiveness and increase the handbrake's travel distance. Complementary Components of the Handbrake: The handbrake system also includes a return spring. When the handbrake is engaged, the spring stretches; when released, the spring returns to its original length. With prolonged use, the spring may also experience deformation.