What component controls the position of the axles under the vehicle?

The component that controls the position of the axles under the vehicle is the radius rods. Radius rods serve a crucial role in maintaining the alignment of the axle and ensuring that it remains in the correct position relative to the chassis. They work by connecting the axle to the vehicle's frame, allowing for the absorption of forces and movements while preventing excessive lateral motion. This stabilization helps maintain proper handling and ride quality, as it keeps the axles properly aligned during acceleration, braking, and turning.

In contrast, suspension springs primarily provide support and absorb shocks from the road, stabilizer bars are essential for body roll control by linking the left and right sides of the suspension, and sway bars are similar in function to stabilizer bars but focus on reducing side-to-side body movement during cornering. While these components contribute to the overall stability and performance of the vehicle, it is the radius rods that specifically manage the position of the axles.