What is a Trailing Arm and Why Does Your Vehicle Need One? 

If you ever take a look under the hood of your car, chances are you’ll notice an L-shaped rod connecting the wheel hub to either the chassis or subframe of your vehicle. This is known as a trailing arm, and it has an important job to do. It helps absorb shocks from bumps in the road and dampens noise from vibrations when driving over rough terrain. Let’s explore exactly what a trailing arm does and how it affects your vehicle.