More info about car suspension
Car suspension is a critical component of a vehicle's design that helps to absorb the shocks and vibrations that occur while driving. The primary purpose of a car suspension system is to provide a smooth, comfortable ride, and to ensure that the wheels maintain contact with the road surface at all times. A properly functioning suspension system can also improve the handling and stability of a vehicle, especially when driving on some of New Zealand's uneven or bumpy roads.
A car suspension system typically consists of several key components, including springs, shock absorbers, struts, anti-roll bars and the bushes that protect and soften the vibration where they are connected to your vehicle.
Springs are responsible for absorbing shock and maintaining the ride height of the vehicle. Shock absorbers, also known as dampers, work to dampen the oscillations of the springs and prevent the vehicle from bouncing excessively. Struts are similar to shock absorbers, but also provide structural support for the vehicle's suspension system. Anti-roll bars are used to reduce body roll when cornering.
There are several types of car suspension systems, including independent suspension, solid axle suspension, and air suspension. Independent suspension systems provide the best ride quality and handling but can be more complex and expensive to maintain. Air suspension systems use air springs and can provide a smooth ride but are also more complex and can be expensive to repair. The mechanics at Auto Super Shoppes are familiar with all types of suspension system and regular maintenance will help you avoid repair costs.
Frequently Asked Questions about Suspension, Shock Absorbers & Steering
What are the key signs that my shock absorbers or struts need replacing?
Look for excessive vehicle bounce after hitting a bump, the car 'diving' sharply when braking, a feeling of 'floatiness' or sway when turning, or noticeable fluid leaks from the shock absorber body or around the wheels.
Is a worn suspension system a safety risk for my WOF?
Yes. Faulty shocks and struts dramatically reduce tyre contact with the road, severely affecting handling, braking distance, and the performance of safety systems like ABS and Stability Control. This will result in a WOF failure.
Why is my steering wheel shaking, and what should I do?
Steering wheel shake can be caused by simple issues like wheel imbalance, or more serious problems like worn tie rods, ball joints, or bent suspension parts. An inspection is critical to ensure steering control is not compromised.
Do I need a wheel alignment after getting my suspension repaired?
Yes, a wheel alignment is essential after replacing major suspension or steering components. It ensures the wheels are set to the correct manufacturer specifications, preventing rapid, uneven tyre wear and restoring optimal handling. It saves you money and keeps you safe.
What is that knocking noise when I drive over bumps?
A knocking or clunking noise usually indicates a worn component like a ball joint, sway bar link, or a failed strut mount. These issues should be addressed immediately to prevent further damage and maintain control. It could also be a suspension bush.
How often should I have my steering and suspension checked?
While these systems are inspected at every WOF, we recommend an additional check if you notice any changes in ride comfort, handling, or if you hear new noises or knocking sounds from under the vehicle.
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