When it comes to suspension system maintenance, shocks and struts often get mentioned together, and for good reason. They both play a similar vital role in maintaining a smooth ride and ensuring safe handling.
However, despite the similarities between these components, they differ in some major ways. If you’re researching suspension repairs or just trying to understand what your mechanic is talking about, knowing the difference between shocks and struts is a great way to help you make informed decisions about your car’s maintenance.
What Are Shocks?
Shock absorbers, commonly called shocks, are hydraulic components designed to control the movement of your car’s springs. When you drive over a bump, the springs compress to absorb the impacts of the road and then expand. Without shocks, your car would bounce unpredictably and unsafely over every peak and valley in the road surface.
Shocks do not support the weight of the vehicle. Instead, they work to dampen the impact and manage rebound, improving ride comfort and tire contact with the road. Good shocks help your tires maintain consistent traction, which directly affects steering, braking, and overall stability.
What Are Struts?
Struts serve a similar purpose but with a few key differences. A strut is a structural part of the suspension system, combining a shock absorber with a coil spring into a single unit. In most modern vehicles, especially front-wheel drives, struts are essential for holding up the suspension and supporting the vehicle’s weight.
Because struts are structural, they play a larger role in alignment and handling. If your car has struts, they are likely involved in the geometry that determines how the wheels point and pivot. Replacing struts usually requires a wheel alignment, which is not typically necessary when replacing shocks.
Key Differences Between Shocks and Struts
Function
Shocks control bounce and suspension movement. Struts do the same, but also support vehicle weight and affect alignment.
Structure
Shocks are standalone components. Struts integrate several suspension parts into one assembly.
Cost of Replacement
Struts are generally more expensive to replace because of their complexity and because alignment is often needed afterward. Shock replacement tends to be quicker and more affordable.
Vehicle Design
The design of the suspension systems, and by extension their components, varies depending on the manufacturer and model. Some models may exclusively use one or the other, while others integrate both into the suspension system on different axles.
Signs You Need Shocks or Struts Replaced
Regardless of which components your vehicle uses, they gradually wear out over time. Most mechanics recommend inspecting them around every 50,000 miles, though this can vary based on driving conditions and vehicle type. It’s always a good idea to watch for these signs of shock or strut issues:
- Bumpy or rough ride
- Excessive bouncing after hitting a pothole or speed bump
- Vehicle nose-dives while braking
- Uneven tire wear
- Fluid leaking from the shock or strut housing
- Decreased steering control
If you notice any of these symptoms, it’s a good idea to have your suspension checked by a professional as soon as possible to avoid further suspension damage and dangerous driving conditions. Worn-out shocks or struts don’t just affect comfort, they can compromise your safety.
Why It Matters for Your Vehicle
Your suspension system does more than keep the ride comfortable. It plays a critical role in how your vehicle handles corners, brakes in emergencies, and responds on wet or uneven roads. Neglecting worn shocks or struts can lead to longer stopping distances, reduced control, and uneven tire wear, all of which can end up costing you more down the road.
Keeping up with suspension maintenance is the best way to ensure your vehicle continues handling the way it should.
Suspension Services in Arvada, Colorado
Letting suspension problems linger is never a good idea, as they have a direct impact on your control of the vehicle.
If you’re unsure whether your vehicle has shocks or struts, or you’re concerned about how it’s handling, don’t hesitate to reach out to the experienced technicians at Arvada Square Auto in Arvada, Colorado. Call or schedule an appointment online to secure your appointment with our friendly team!