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What Are the Common Types of Car Suspension Systems?

1 Answers

VonDelilah

07/29/25 5:15pm

Suspension systems can generally be divided into two major categories based on structural types: non-independent suspension and independent suspension. Common types of car suspension systems mainly include longitudinal leaf spring type, twist-beam rear suspension (non-independent), as well as MacPherson strut, double-wishbone, and multi-link independent suspensions. More details about common car suspensions are as follows: 1. Longitudinal Leaf Spring Non-Independent Suspension: This type of suspension is commonly seen in heavy-duty trucks, where the leaf spring serves both as a shock absorber and a guide, featuring a very simple structure. 2. Twist-Beam Rear Suspension: This non-independent suspension is specifically designed for rear wheels and is commonly used in most A-segment and below vehicles and low-end SUV models. 3. MacPherson Strut Independent Suspension: The MacPherson suspension is currently the most widely used type of suspension, primarily composed of a coil spring, shock absorber, and triangular lower control arm. Its motion characteristic allows the wheel to move only up and down along the kingpin, not side to side. 4. Double-Wishbone Independent Suspension: This type of suspension is more commonly used in sports cars. It mainly consists of two three-point linkages and one two-point linkage. The two control arms absorb lateral forces, while the strut primarily bears the vehicle's weight, and the vertices of the two wishbones are responsible for steering. 5. Multi-Link Independent Suspension: Multi-link independent suspensions can be further divided into front multi-link and rear multi-link suspension systems. The front suspension is usually a 3-link or 4-link independent suspension, while the rear suspension is typically a 4-link or 5-link system, with the 5-link rear suspension being more widely used.

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How long does it take to drive 100 kilometers on the highway?

Approximately 1 to 1.5 hours. The maximum speed on highways should not exceed 120 kilometers per hour, and the minimum speed should not be lower than 60 kilometers per hour. On highways, the maximum speed for small passenger vehicles should not exceed 120 kilometers per hour, for other motor vehicles it should not exceed 100 kilometers per hour, and for motorcycles it should not exceed 80 kilometers per hour. Below are specific details about highways: 1. Design speeds are 80 km/h, 100 km/h, 120 km/h, and 60 km/h (for special sections); 2. The road scale consists of at least four lanes in both directions or two lanes in one direction; 3. Highways are classified based on technical grade as a type of road, ranking above first-class, second-class, third-class, fourth-class, and substandard roads. Highways intersect with national or provincial roads in the hierarchical classification of the road network, meaning highways are part of national or provincial roads within the road network.

Is it mandatory to drive above 80 km/h on highways?

No. According to Article 78 of the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China", highways should indicate the speed limits for each lane. The maximum speed should not exceed 120 km/h, and the minimum speed should not be lower than 60 km/h. For small passenger cars, the maximum speed on highways should not exceed 120 km/h, for other motor vehicles it should not exceed 100 km/h, and for motorcycles it should not exceed 80 km/h. Additional information: For two lanes in the same direction, the minimum speed for the left lane is 100 km/h; for three or more lanes in the same direction, the minimum speeds are 110 km/h for the leftmost lane, 90 km/h for the middle lane. If the speed indicated by road speed limit signs differs from the above lane-specific speed limits, drivers should follow the speed indicated by the road signs.

What does the yellow exclamation mark in Magotan mean?

There are four possible scenarios when a yellow exclamation mark appears on the car dashboard: general malfunction, automatic transmission failure, abnormal tire pressure, and lighting system fault. Below is a detailed analysis of these four situations: General malfunction: A triangle with an exclamation mark inside indicates that the car's general performance or certain components and functions have malfunctioned. Common issues include parking sensor failure, fuel cutoff system intervention or malfunction, external light failure, engine oil pressure sensor malfunction, etc. It is necessary to visit a 4S shop for inspection to identify the source of the problem. Automatic transmission failure: A yellow gear with an exclamation mark inside is the automatic transmission warning light, indicating that there is a fault in the transmission or the transmission lubricant level is below the normal range. The transmission oil should be replaced promptly. Abnormal tire pressure: A horizontal line under a bracket with an exclamation mark in the middle represents the tire pressure monitoring warning light. This light will illuminate when the tire pressure is too low. Check the car's tire pressure and restore it to the normal range. Lighting system fault: A yellow bulb with an exclamation mark is the lighting fault indicator, signaling that a car light has malfunctioned. Solution: Visit a 4S shop for inspection as soon as possible, or conduct a self-check, focusing on commonly used bulbs such as turn signals, fog lights, and interior lighting, to identify the issue. There is also a red exclamation mark inside a circle with a bracket, which represents a brake system warning, mainly indicating brake system failure or low brake fluid level. The brake system should be inspected immediately to avoid accidents.

How to Check the Date on New Car Tires?

On the sidewall of the tire, locate a string of characters starting with the English letters "DOT". At the end of these characters, there will be a four-digit number enclosed in an oval border, which indicates the tire's production date. The first two digits represent the week of the year the tire was produced, while the last two digits indicate the production year. Below is relevant information about tire maintenance: 1. Daily tire pressure checks. Avoid having tire pressure that is too high or too low. Overinflated tires may risk a blowout under high-speed operation due to inability to withstand excessive expansion pressure, while underinflated tires can cause excessive stretching from uneven road surfaces during driving, keeping the tires in a prolonged fatigue state and accelerating aging. 2. Regular tire rotation. Cross-rotating the front and rear tires ensures even wear across all four tires and provides better friction between the front wheels (steering drive wheels) and the road surface, preventing front-wheel slippage and ensuring driving safety. 3. Regular balance checks. Periodic balance testing not only extends tire life but also improves driving stability. 4. Timely replacement. The recommended lifespan for tires is approximately 40,000 kilometers. In very good road conditions, this can be extended to 60,000 kilometers, but tires older than two years should also be replaced.

Is it necessary to replace a faulty fuel level sensor?

Replacing a car's fuel level sensor can be challenging: 1. A malfunctioning fuel gauge is usually caused by a damaged fuel float, which is the fuel level sensor located inside the fuel tank. Replacing it requires opening the fuel tank; 2. In sedans, it's typically found either under the rear seats or inside the trunk. There's a small cover that, when opened, reveals the fuel float and fuel pump. If the fuel cap isn't securely sealed after replacing the float, gasoline can easily evaporate from there, leading to a stronger fuel odor; 3. The fuel gauge measurement works by a float connected to a metal rod, whose end is attached to a movable contact point on a variable resistor. The position of the float on the fuel surface in the tank changes, altering the position on the variable resistor via the metal rod. This variable resistor is connected to the fuel gauge, and the movement of the gauge's needle is controlled by the amount of current passing through the variable resistor.

Can You Still Drive with a Leaking Fuel Tank?

You should not drive with a leaking fuel tank. Here are the reasons for fuel tank leakage: 1. Reason one: Car fuel leakage is usually caused by overfilling the tank, preventing excess gasoline from burning in the form of vapor. 2. Reason two: Fuel leakage can also occur during the replacement of the fuel filter. Since the fuel filter is located under the car, it's possible that some pipes may not be tightly connected during replacement, leading to fuel leakage under the car. 3. Reason three: Another cause of fuel leakage is improper installation of the fuel pump seal ring after refueling or damage to the fuel pipes. When encountering poor road conditions, this can result in fuel leakage.

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