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Vehicle shock absorbers are vital parts for a Serena car's suspension system. They control the car's body movements during bumps and jerks, ensuring it remains stable. But even more important than knowing what Serena shock absorbers do is knowing the different types there are to ensure the right selection for different use cases. Here are the main four types of Serena shock absorbers:
Serena gas shock absorber
The gas shock absorber is filled with compressed gas to reduce foaming in the oil. It is a good choice for off-road vehicles and those carrying heavy loads because it doesn't bounce back when pressed. The gas shock absorber also improves tire contact with the road, ensuring better traction. However, it requires more frequent replacement than other shock absorber types.
Serena coilover shock absorber
The coilover shock absorber combines the shock absorber and spring into a single unit. It is adjustable, allowing for a higher or lower ride height. The coilover shock absorber is a popular choice for performance cars and those used in racing. It provides excellent handling and a stiffer ride. However, it wears out quickly and requires frequent replacement.
Serena twin-tube shock absorber
The twin-tube shock absorber has an inner and outer cylinder. The inner cylinder is the oil reservoir, while the outer one is the oil's return path after the piston rod movement. The twin-tube shock absorber is affordable and popular for passenger cars. Its design allows for a big piston stroke, improving ride comfort and handling. However, the design may limit the piston stroke speed, affecting the shock absorber's performance.
Serena monotube shock absorber
The monotube shock absorber has a single cylinder that houses the piston and rod. The design allows for a fast piston stroke, making it a good choice for racing and high-speed vehicles. The monotube shock absorber has a larger body and requires more installation space. It is also more expensive than the twin-tube shock absorber.
The specifications of Nissan Serena rear shock absorbers differ depending on the make, model, and year of the vehicle.
Physical condition
Visual inspections are the first step in assessing the physical condition of shock absorbers. The entire shock absorber component should be examined for leaks, cracks, rust, and other damage. The presence of oil puddles or spray on the surrounding components is a sure sign of a ruptured or leaky shock absorber.
Performance
The Serena's performance is another way to assess the condition of its shock absorbers. If the car bounces excessively, tilts to one side, or has trouble maintaining tire contact with the road, one or more of the shock absorbers may be faulty. These symptoms can indicate that the vehicle has poor handling, stability, and safety.
Tire wear
Uneven or excessive tire wear is another indication that the shock absorbers may be worn out. If the tires show more wear on one side than the other, it may be due to improper wheel alignment caused by failed or failing shock absorbers. If the tires have bald spots or uneven tread patterns, it may be due to poor tire contact with the road surface.
Professional inspection
The condition of the shock absorbers can also be assessed with special tools and equipment by a qualified mechanic. These tools can measure the shock absorbers' damping force, extension and compression speed, and other parameters to determine their performance and compare it with the standard values specified by the manufacturer.
Vehicle Age and Mileage
As a general rule, the older and more driven a car is, the more likely its shock absorbers will wear out. Shock absorbers usually last between 50,000 and 100,000 kilometers, depending on driving conditions, load, and quality.
Serena shock absorber maintenance is crucial for vehicle safety and stability. Shock absorber maintenance tips include:
Following these tips will help extend the life of the shock absorbers and improve the vehicle's ride and handling.
It’s a no-brainer that choosing the right Serena shock absorber can be a daunting task. But with adequate information and considerations, this task can be achieved with ease. Here are the factors to consider:
The first and foremost factor to consider when choosing a Serena shock absorber is to know and understand the vehicle's needs. This includes knowing the make and model of the car, its weight, and the driving conditions it faces. This information would make it easy to choose a shock absorber that offers the right fit.
Choosing the right type of shock absorber is also a great consideration to make. As earlier stated in this article, there are different types of shock absorbers. Take your time to go through and understand the features of the different types of shock absorbers and choose the one that fits perfectly well.
Another factor to consider is the brand. When it comes to vehicle parts and accessories, the brand plays a huge role. Consider going for a reputable brand. This is because reputable brands offer quality products. However, don’t forget to consider the pocket.
Quality is also a great consideration to make when choosing a Serena shock absorber. Choose a high-quality shock absorber to get better performance and durability.
Also, consider the warranty and guarantee. Choose a serena shock absorber with a good warranty and guarantee offer.
Replacing the Serena shock absorber may be a difficult project, but with the right tools, it can be done. The following are the tools needed to replace a Serena shock absorber:
Follow the steps below to replace the shock absorber:
Q1: How often should a car shock absorber be replaced?
A1: While there is no specific timeline for replacing shock absorbers, it is recommended to check them after every 20,000 miles. The replacement will depend on the degree of wear and tear.
Q2: What are the signs of a worn-out shock absorber?
A2: A damaged shock absorber can be seen or felt. The visible signs include leaks under the wheels and uneven tire wear. The vehicle also bounces excessively and has a nose dive during braking.
Q3: Can a shock absorber be repaired?
A3: Repairs are possible but not advisable. This is because repaired shock absorbers don't last long. They also compromise the vehicle's performance and safety.