By: Anthony Fontanelle

The suspension system of a vehicle must be thoroughly examined at least once a year to detect right away if there is any damaged suspension part. Worn suspension components can certainly affect the performance of a vehicle. If these parts continue to malfunction for a long time, managing the suspension system becomes difficult for a vehicle owner. Thus, a regular inspection of the suspension system is advisable.

 

Among the suspension components that need to be regularly monitored are the suspension bushings. The main task of suspension bushings is to defend the vehicle body and chassis from all sorts of external pressure and friction. Thus, these components prevent damage to other auto parts that are costly and difficult to replace. In addition, suspension bushings promote a comfortable ride as they absorb vibration that can otherwise be transferred to the vehicle interior or the passengers. Suspension bushings, which appear like bolts, also enable the vehicle body to rest on the chassis.

 

Suspension bushings are typically made of polyurethane, rubber, aluminum, or steel. Of all these materials, polyurethane is the most practical to use since it is the most flexible. A suspension bushing made from polyurethane material can considerably trim down shock energy. Suspension bushings of vehicles these days have significantly improved. Those used in the past were generally made of rubber. The rubber material proved to be weak as old suspension bushings easily gave in to wear and tear. Thus, to enhance the efficiency of these auto components, car manufacturers thought of equipping the vehicles they generate with suspension bushings made from materials stronger than rubber such as steel and aluminum.

 

Even if suspension bushings nowadays are made of tough materials, these auto components eventually wear out. If the annual check-up shows that the suspension bushings are already damaged, a replacement is inevitable. With replacement suspension bushings, the proper handling and control features of an automobile can be restored.

 

Efficient Maneuvering with a Steering Rack

Being able to turn at the right corner at the right moment is important as this can have an effect on the safety of motorists. Thus a responsive steering is always best. To achieve this, the steering rack and other chassis components must be in top condition.

 

The steering rack consists of a rack enclosed with a steering pinion. Through the set of shafts and U-joints, the steering rack is linked to the steering wheel. When the steering wheel is turned, the pinion moves and pushes the steering rack either to the left or right. With the ends of the steering rack connected to them, the front wheels are able to turn.

 

Steering racks are used on both front-wheel drives and cars with power steering. A smoother and easier turning is achieved due to its gear reduction feature. In the case of a power steering vehicle, a steering rack with an engine-driven pump supplies high-pressure hydraulic fluid to the steering rack when the wheel is turned. Such system actually helps the steering rack turn easily.

 

Since the car's performance and passenger safety are directly affected by the ability of the steering rack to turn efficiently, steering rack maintenance is important. When checking the steering rack, it is suggested to inspect the other steering parts as well, such as the power steering belt, steering fluid, steering pump, steering hoses, and ball steering gear. Motorists should also observe when a steering rack starts to become defective. It usually happens when there is difficulty to steer or the steering wheel is harder to turn and when there is fluid leakage. If one of these signs is present, it is better to check if the steering rack is already worn out or if there is no more hydraulic fluid. If the problem is beyond any of these, then the best thing to do is opt for a replacement.