The steering control arm, also known as the steering linkage or tie rod, is an essential component in the steering system of a vehicle. It connects the steering rack or gearbox to the steering knuckle, which allows the wheels to turn left or right. If there are problems with the steering control arm, it can cause a number of issues with the vehicle's handling and steering. Here are some of the problems that can occur:

Uneven tire wear: If the steering control arm is damaged or worn, it can cause the wheels to be misaligned, leading to uneven tire wear.

Loose steering: If the steering control arm is loose or worn, it can cause the steering to feel loose and unresponsive, making it difficult to control the vehicle.

Vibration: A damaged or worn steering control arm can cause vibrations to be felt in the steering wheel or throughout the vehicle.

Steering wandering: If the steering control arm is worn or damaged, it can cause the vehicle to wander or drift while driving, making it difficult to maintain a straight line.

Steering pull: A damaged or worn steering control arm can cause the vehicle to pull to one side while driving.

Steering noise: A damaged or worn steering control arm can cause noise to be heard when turning the steering wheel or when driving over bumps.

Steering failure: In extreme cases, a damaged or worn steering control arm can cause the steering to fail completely, which can be dangerous and lead to accidents.

It's important to have any issues with the steering control arm addressed as soon as possible to ensure safe and reliable operation of the vehicle.