What is a Clock Spring?

What is a Airbag Clock Spring?

Also known as spiral cable, it is critical to a vehicle’s steering system. Its primary function is maintaining the electrical connection between the vehicle’s steering wheel and its electronic components while allowing the wheel to turn freely. This component is especially crucial for the functionality of systems such as the airbag, horn, and audio controls on the steering wheel.

The clock spring is situated within the steering column. It consists of a flat ribbon of conductive material wound into a spiral shape. As the steering wheel turns, the spiral cable winds and unwinds, maintaining electrical continuity. This design allows for multiple steering wheel rotations without causing the wires to become tangled or damaged.

In modern vehicles, the clock spring plays a vital role in properly deploying airbags. If the clock spring fails, the airbag may not deploy correctly in a collision. Other steering wheel controls may also cease functioning, affecting driver convenience and safety.

The spiral cable’s design is both clever and straightforward. It comprises a flexible printed circuit or a set of wires that form a continuous loop. This loop can extend and retract as the steering wheel turns. The material used must be durable and capable of repeated flexing.

Replacing a faulty clock spring is essential for vehicle safety. Symptoms of a failing clockspring include faulty steering wheel controls, a lit-up airbag warning light, or unusual noises when turning the wheel. For replacement, professional assistance is often required, as it involves working with the car’s airbag system.

The clock spring is a small but essential part of the car’s steering system. Its reliable operation ensures the safety and correct function of various electronic components in the steering wheel, making it vital for modern automotive design.