What do U-bolts attach in a vehicle's suspension?

U-bolts are specifically designed to fasten leaf springs to the axle in a vehicle's suspension system. Leaf springs are an integral part of a vehicle's suspension, especially in trucks and larger vehicles, providing support and stability. The U-bolts encircle the leaf springs and attach them directly to the axle, which allows the suspension to absorb shocks and maintain the vehicle's ride height. This connection is crucial for ensuring that the vehicle handles properly and can carry the loads it was designed for without compromising safety or performance.

Understanding the role of U-bolts in the suspension system is important for inspections and maintenance, as any failure in these components can lead to significant handling issues or even accidents.