Which statement is true of fixed calipers?

Prepare for the Automotive Service Technician Period 1 exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Fixed calipers are mounted rigidly to the knuckle so they don’t move with the wheel; hydraulic pressure pushes pistons on both sides to clamp the pads against the rotor. Because there are typically two pistons (one on each side, or more on high‑end setups) they inherently press two pads at once, providing even clamping. This design means you can often replace brake pads without removing the caliper—retracting the pistons gives enough clearance to swap the pads while the caliper stays bolted in place. At the same time, fixed calipers have more seals and piston interfaces than a simple floating caliper, which introduces more potential leak points around each piston seal and related hardware. The arrangement of pistons in pairs on opposite sides is a defining feature of fixed calipers, ensuring balanced braking force. Put together, these points explain why all of the statements can be true for fixed calipers.