What part is commonly replaced in brake service?

In brake service, it is common practice to replace various components to ensure the braking system operates safely and effectively. Brake pads are frequently replaced in disc brake systems, as they tend to wear down over time due to friction against the rotor. Similarly, brake shoes are a component of drum brake systems, which also require replacement as they wear out. Additionally, brake fluid is essential for the hydraulic operation of the braking system and may need to be replaced due to contamination or degradation over time.

Choosing the option indicating that all of these components are commonly replaced accurately reflects the comprehensive nature of brake service. Each of these parts plays a critical role in the overall performance and safety of the vehicle's braking system, and regular maintenance often includes checking and replacing them as needed. This holistic approach helps prevent brake failure and ensure optimal performance when stopping the vehicle.