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What are the components of a suspension system?

1 Answers
SanJonathan
07/29/25 1:00pm
A typical suspension structure consists of elastic elements, guiding mechanisms, and shock absorbers, with some configurations also including buffer blocks and anti-roll bars. Elastic elements come in various forms such as leaf springs, air springs, coil springs, and torsion bar springs. Modern passenger car suspensions mostly use coil springs and torsion bar springs, while some high-end vehicles employ air springs. The suspension system refers to all the force-transmitting connection devices between the vehicle's frame (or unibody) and the axles (or wheels). Its function is to transmit forces and torques acting between the wheels and the frame, while cushioning impacts from uneven road surfaces transmitted to the frame or body, thereby reducing resulting vibrations to ensure smooth vehicle operation.
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More Forum Discussions

What is the free period for highways during the 2019 Spring Festival?

2019 Spring Festival highway toll-free period starts from 0:00 on February 4, 2019 (New Year's Eve) to 24:00 on February 10, 2019. Below is relevant information about highways: 1. Structural Features: Highways cross other traffic routes in the form of overpasses throughout the entire route, and connect with other important road routes at appropriate locations. When passing through large cities, they usually bypass the city. If it is necessary to pass directly through busy urban traffic areas, they are constructed as viaducts or tunnels. 2. Composition: The highway surface includes main lanes, ramps, and auxiliary lanes. Some highways retain the function of original ordinary roads and also have parallel service roads on both sides of the main lanes. In addition to the surface lanes, highways also include basic structural parts such as roadbeds, embankment slopes, side ditches, and shoulders (hard shoulders and protective shoulders).
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What is fault code 3597?

Fault code 3597+02 indicates an exhaust system malfunction. The solution is to replace the exhaust system or remove any foreign objects in the exhaust system. Below is relevant information: Constant illumination: If the light remains constantly illuminated, accompanied by insufficient engine power or severe shaking, please visit a service station or repair facility to use a computer diagnostic tool. Conduct a thorough inspection of the vehicle's engine system. When the vehicle's malfunction indicator light is on, it signifies that the engine control unit has detected a potential fault location. It is necessary to use the diagnostic tool to read the fault data for targeted repairs. Engine malfunction warning light: The engine malfunction light is designed to display the operational status of the engine. When turning the key to the "ON" position during startup, the vehicle performs a self-check, and this indicator light will illuminate. After starting the vehicle, the light should automatically turn off. If the light remains illuminated after starting the vehicle or comes on during driving, it indicates a fault in the engine system, such as excessive exhaust emissions, poor combustion conditions, knocking, valve train system malfunctions, abnormal sensor data, etc.
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What speed can a motorcycle reach in first gear?

Motorcycles can reach 10-20 km/h in first gear. Below is relevant information about motorcycle gears: 1. Gear introduction: The rotary gear pattern is 0-1-2-3-4-5-0 cycle, while the international gear pattern is 1-0-2-3-4-5 non-cyclic with neutral position between first and second gear. 2. Starting method for clutch-equipped motorcycles: After starting the engine, engage first gear, gradually release the clutch lever while gently applying throttle. When feeling the bike about to move forward, continue increasing throttle while releasing the clutch - these actions should be coordinated until smooth takeoff is achieved. Then gradually shift to higher gears using this method. When stopping, first reduce speed, then pull the clutch lever, downshift and brake, preferably shifting to neutral before turning off the engine.
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What are the consequences of excessive fuel injector return flow?

Excessive fuel injector return flow can cause failure to start or difficulty in starting. Below is relevant information about fuel injectors: 1. Definition: A car fuel injector is a simple solenoid valve. When the electromagnetic coil is energized, it generates suction, lifting the needle valve to open the injection hole. Fuel is sprayed at high speed through the annular gap between the needle valve head and the injection hole, forming a mist that facilitates complete combustion. 2. Impact: As one of the key components of an electronic fuel injection engine, the performance of the fuel injector significantly affects the engine's operation. Carbon deposits in the engine can accumulate on the fuel injector, or impurities in the fuel can block the injector's pathways. After driving for a period, certain deposits will form in the fuel system.
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Can You Sleep in the Car with the Heater On in Winter?

It is not advisable to sleep in the car with the heater on in winter. Below is the working process of the car air conditioning system: 1. Compression Process: The compressor draws in low-temperature, low-pressure refrigerant gas from the evaporator outlet and compresses it into high-temperature, high-pressure gas, which is then discharged from the compressor. 2. Heat Dissipation Process: The high-temperature, high-pressure superheated refrigerant gas enters the condenser. Due to the decrease in pressure and temperature, the refrigerant gas condenses into a liquid, releasing a significant amount of heat. 3. Throttling Process: The higher-temperature and higher-pressure refrigerant liquid passes through the expansion device, causing its volume to increase and its pressure and temperature to drop sharply. It is then discharged from the expansion device in a mist form (fine liquid droplets). 4. Heat Absorption Process: The mist-like refrigerant liquid enters the evaporator. Since the boiling point of the refrigerant is much lower than the temperature inside the evaporator, the refrigerant liquid evaporates into a gas. During this evaporation process, it absorbs a large amount of heat from the surroundings. The resulting low-temperature, low-pressure refrigerant vapor then re-enters the compressor.
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How to Determine if a Car Bearing is Faulty?

When the car is running, the wheels wobble and the overall vehicle vibration increases. Unusual noises may occur. Poor rolling can lead to a decrease in power. Here's how to check: 1. Increase speed: After increasing the speed (when the humming noise is louder), shift the gear to neutral and let the vehicle coast, observing whether the noise comes from the engine. If the humming noise remains unchanged during neutral coasting, it is likely a wheel bearing issue. 2. Temporary stop inspection: Get out and check the temperature of the wheel hubs. The method is: touch each of the four wheel hubs with your hand to roughly feel if their temperatures are consistent (under normal brake shoe and pad conditions, the front and rear wheel temperatures will differ, with the front wheels being slightly higher). If the temperature difference is not significant, you can continue driving slowly to the repair station. 3. Use a lift: Raise the car with a lift (after releasing the handbrake and shifting to neutral). If a lift is not available, use a jack to raise each wheel one by one. Manually rotate each of the four wheels quickly. When encountering a faulty axle, it will produce a distinct noise, completely different from the other axles. This method makes it easy to identify which axle has a problem.
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