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Inspecting Shocks

Inspecting Shocks and Struts

INSPECTING SHOCKS AND STRUTS Car Park Test First check the vehicle’s mileage. When a vehicle has just 20,000 km or more, there could be some internal wear and new shocks and struts may be needed. Also, check the manufacturer’s recommended service interval in the owner’s manual. Remember, a shock absorber provides resistance to bounce, roll

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What is Ride Control

What is Ride Control

WHAT IS RIDE CONTROL Many things affect vehicles in motion. Weight, weight distribution, speed, road conditions, and wind are some of the factors that affect how a vehicle rolls down the highway. Under all these variables, however, the vehicle’s suspension system – including the shocks, struts and springs – must be in good condition. Worn

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Ride Control

Ride Control Products

Gas Charged Shocks & Struts Gas charged shocks and struts are available for most passenger cars and light trucks. These units are the most popular shocks and struts sold today. A gas charge helps keep fluid inside the shock or strut from foaming. So, the unit performs better over a wider range of road conditions.

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Shock Absorber Construction

Shock Absorber Construction

SHOCK ABSORBER CONSTRUCTION Bore Size Bore size is the diameter of the piston and the inside of the pressure tube. Generally, the larger the unit, the higher the potential control levels because of the larger piston displacements and pressure areas. The larger the piston area, the lower the internal operating pressures and temperatures. This provides

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Shock Absorber Design

Shock Absorber Design

SHOCK ABSORBER DESIGN There are two basic shock absorber designs in use today: the two-tube design and the mono-tube design. The conventional shock absorber is illustrated in Fig. 2. Notice that it has two tubes. The inner tube is known as the pressure or working cylinder, while the outer tube is known as the reserve

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What Shock Absorbers Do

What Shock Absorbers Do

WHAT SHOCK ABSORBERS DO Let’s start our discussion of shock absorbers with one very important point: Despite what many people think, conventional shock absorbers do not support vehicle weight. Instead, the primary purpose of the shock absorber is to control spring and suspension movement. Shock absorbers are basically oil pumps. As shown in Fig. 1,

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Strut Design

Strut Design

STRUT DESIGN Typically, struts consist of a coil spring to support the vehicle’s weight, a strut housing to provide structural support for the assembly, and a damping unit within the strut housing to control spring and suspension movement. The bottom of the strut usually attaches to the steering knuckle, and the top of the strut

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