How to Turn on the Heater in Changan 55?

Can Non-Independent Suspension Be Converted to Independent Suspension?

Converting non-independent suspension to independent suspension depends on the vehicle model. Some models can be modified, while others cannot. Generally speaking, independent suspension is more expensive, has a complex structure, and offers better comfort, whereas non-independent suspension is cheaper, simpler in structure, but inferior in handling and comfort. Below is an introduction to the differences between non-independent suspension and independent suspension: 1. Suspension refers to all the power transmission connection devices between the car frame and the axle or wheels. Its main function is to transmit all forces and moments between the wheels and the body. 2. In an independent suspension system, each wheel is individually suspended under the frame or body via an elastic suspension system. Its advantages include lighter weight, reduced impact on the body, improved wheel-to-ground adhesion, and the ability to lower spring stiffness for better comfort. However, independent suspension systems have disadvantages such as complex structure, high cost, and inconvenient maintenance. Additionally, due to their complexity, they may occupy some interior space. 3. The structural feature of a non-independent suspension system is that both wheels are connected by an integral frame, with the wheels and axle suspended under the frame or body via an elastic suspension system. Non-independent suspension systems offer advantages such as simple structure, low cost, high strength, easy maintenance, and minimal changes in front-wheel alignment during driving. However, they are relatively poor in comfort and handling stability.

10

2

Share

What is the temperature difference between black and white cars in summer?

When the interior standards are the same, the temperature inside a black car is generally 5 degrees higher than that inside a white car. Factors affecting the interior temperature include not only the car's color but also the interior color, materials, and the car's sealing. Compared to black cars, white cars have many advantages. White cars are more durable, as dust on the body is less noticeable, and minor scratches are generally invisible. They are also more visible when driving, enhancing safety. In summer, white cars reflect most light sources, absorbing less heat and keeping the interior cooler, while black cars absorb most light, resulting in a higher interior temperature. Precautions for vehicles in high temperatures: Avoid exposing the vehicle to direct sunlight. Prolonged exposure can cause paint oxidation and increase interior temperatures, further oxidizing internal components. It is advisable to park in shaded areas or under trees. On clear days, slightly lowering the windows can help release hot air from the interior, reducing high temperatures inside. Do not leave flammable or explosive items in the car. Alcohol, lighters, certain low-quality perfumes, and power banks can easily self-ignite under high temperatures. Install sunshades on the front windshield. Sunshades not only reduce sunlight exposure on the windshield but also protect the interior, slowing down aging.

18

2

Share

How to Drive Through Deep Water in a Car?

"When driving through deep water, you should first assess the water depth. Upon entering a waterlogged road, it's often difficult to gauge the depth due to the murky water, especially on uneven surfaces. The safest approach is to park your car in a secure spot and observe how other vehicles navigate the water. If vehicles of similar height can pass, it's generally safe to proceed. If no similar vehicles are present, use a stick to measure the water depth. The vehicle's manual will specify safe and dangerous water levels, indicating the maximum depth your car can handle. When water reaches half the wheel height, the car's chassis might be submerged, and the exhaust pipe could be in contact with water. Poorly sealed components may leak, requiring reapplication of lubricant or rust removal. For most passenger cars, water up to one-third of the wheel height is relatively safe. At two-thirds wheel height, the battery may get flooded, and if the car moves too quickly, water could enter the intake, potentially causing severe engine damage. Key considerations when wading through water: For vehicles with auto start-stop, manually disable the feature to prevent the engine from restarting if it stalls underwater, which could lead to major engine repairs. Drive slowly in low gear without stopping, accelerating gently, avoiding sharp steering or gear changes. Never attempt to restart the engine if it stalls due to water ingress, as this can destroy the engine—exit the vehicle and await assistance. Avoid driving side by side with other cars through flooded areas to prevent water splashed by adjacent vehicles from entering your intake. After crossing, perform several light brake applications to dry the brake discs and pads through friction-generated heat."

20

0

Share

How to Remove Fog on Car Windows When Using Air Conditioning?

"Fog on car windows when using air conditioning can be removed by opening windows for convection, using the air conditioning system, or applying defogging agents. Window Convection: If the fog inside the car is not too heavy, you can slightly open the side windows to create airflow between the inside and outside of the car. This reduces the temperature difference, and the fog will gradually disappear. The principle of this method is the same as using the air conditioning cold air, but it does not increase fuel consumption. However, the downside of window convection is very obvious—it cannot be used during rain, snow, on highways, or when the fog is heavy. Additionally, opening the windows will lower the temperature inside the car. Air Conditioning System: Using the air conditioning system is the most common method to remove fog. Almost all cars today have air vents located below the front windshield. Simply adjust the air conditioning to the appropriate setting, and the airflow from the vents will help clear the fog. If you're in a hurry, you can use cold air for an emergency solution. However, in most cases, it is recommended to use warm air. Turn on the car's fan and the cooling switch, and the cold air blowing onto the front windshield will quickly dissipate the fog, providing an immediate effect. The biggest drawback of this method is that it can make the occupants feel cold. Defogging Agents: Spray a defogging agent onto the inner surface of the car window and wipe it clean. This not only removes dirt from the glass but also forms a protective film that prevents moisture from condensing into fog. One application can last for about ten days. Prices range from a few dollars to over a hundred dollars. You can also make your own defogging solution. The simplest method is to mix dishwashing liquid with water in a 1:10 ratio. Then, use a clean, soft cloth to apply it to the inside of the front and rear windshields. Alternatively, you can pour the solution into a small spray bottle for easier application. "

8

3

Share

Where is the battery located in new energy vehicles?

New energy vehicles use large battery systems, typically weighing over 100 kilograms. They are usually installed beneath the central floor of the vehicle body, suspended under the floor. If the battery pack is smaller and space permits, it may also be placed in the trunk. An important consideration for rear-mounted battery packs is rear collision safety. The vehicle body must be designed with proper crash deformation zones and strength to prevent damage to the battery pack. Common types of batteries used in new energy electric vehicles: Lead-acid batteries: Lead-acid batteries are low-cost, perform well in low temperatures, and offer good value for money; however, they have low energy density, short lifespan, large size, and poor safety. Due to their low energy density and short lifespan, electric vehicles powered by lead-acid batteries cannot achieve good speed or long driving ranges, making them generally suitable for low-speed vehicles. Nickel-metal hydride batteries: Nickel-metal hydride batteries are low-cost, mature in technology, long-lasting, and durable; however, they have low energy density, large size, low voltage, and suffer from memory effect. Although they perform better than lead-acid batteries, they contain heavy metals, which can pollute the environment if discarded improperly. Lithium manganese oxide batteries: Lithium manganese oxide batteries have low cost and good safety and low-temperature performance as cathode materials, but the material itself is not very stable and tends to decompose, producing gas. Therefore, they are often mixed with other materials to reduce cell costs. However, their cycle life deteriorates quickly, they are prone to swelling, have poor high-temperature performance, and relatively short lifespans. They are mainly used in medium and large-sized cells. For power batteries, their nominal voltage is 3.7V. Lithium ternary batteries: Lithium ternary batteries have high energy density, long cycle life, and perform well in low temperatures; however, they lack stability at high temperatures. They can achieve the highest energy density but have relatively poor high-temperature performance. For pure electric vehicles requiring long driving ranges, they are the mainstream choice, as they remain more stable in low temperatures.

12

1

Share

What is the car engine warning light?

There are mainly 7 reasons for the engine warning light to illuminate: Sensor malfunction: The sensors mentioned here include coolant temperature, crankshaft position, air flow, intake air temperature, oxygen sensors, etc. When these sensors are damaged, have poor contact, or experience signal interruption, the vehicle's ECU cannot accurately obtain engine data, which triggers the engine warning light. Fuel/oil quality issues: If fuel and engine oil are not added according to the manufacturer's requirements, it may cause engine wear and trigger the warning light. Poor fuel mixture combustion: Poor combustion can lead to engine carbon buildup or knocking. When detected by oxygen sensors and reported to the ECU, the warning light will illuminate as an alert. Issues such as spark plug failure, ignition coil malfunction, fuel pump failure, or clogged fuel lines can all cause poor fuel mixture combustion. Turbocharger problems: Intake boost pipes or turbocharger issues can also trigger the engine warning light. The most common issue is turbocharger damage, often accompanied by symptoms like oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Intake problems: If the vehicle's intake system malfunctions, it may cause engine pipe blockages, potentially triggering the warning light. A dirty air filter that hasn't been cleaned regularly can lead to intake issues. Exhaust problems: Exhaust system failures can also illuminate the engine warning light. Common causes include rear oxygen sensor failure, catalytic converter issues, exhaust camshaft or bearing failures, with the catalytic converter being the most frequent culprit. Using leaded gasoline, lead/silicon-based lubricant additives, physical damage to the catalytic converter, or fuel system malfunctions can all contribute to catalytic converter failure. Anti-theft system malfunction: If the vehicle's electronic anti-theft system fails or if the anti-theft controller doesn't match the engine control unit, the anti-theft system may prevent normal engine operation while illuminating the warning light. When the engine warning light illuminates, follow these steps: First, check if the engine is operating normally. Look for symptoms like shaking or smoke emission. If present, avoid restarting the engine. Note: Never restart if the red warning light is on. If the engine can be started, turn it off and wait 5-10 minutes. Without pressing the brake, press the start button once or turn the key halfway to the ON position (without depressing the clutch). The vehicle will initiate a self-check after powering on. Observe whether the warning light turns off after 5-10 seconds. If the light persists, visit a service center promptly. Technicians can use diagnostic tools to read trouble codes, identify the issue, and perform targeted repairs.

2

3

Share

How to Turn on the Heater in Changan 55?

Can Non-Independent Suspension Be Converted to Independent Suspension?

What is the temperature difference between black and white cars in summer?

How to Drive Through Deep Water in a Car?

How to Remove Fog on Car Windows When Using Air Conditioning?

Where is the battery located in new energy vehicles?

What is the car engine warning light?

How to deal with driving an unlicensed vehicle on the road?

Is the alternating light in Subject 3 turned on twice or three times?

Can You Still Drive with an Engine Oil Leak?

Is it Safe to Use Lesser-Known Brand Engine Oil?