Is the window film applied on the inside or outside?

What are the main components of a car air conditioning system?

Car air conditioning consists of a refrigeration system, heating system, ventilation and air purification devices, and a control system. Here are some precautions for using car air conditioning: 1. Do not turn on the heating air conditioning immediately when warming up the car in the morning. Wait until the engine coolant temperature rises before turning on the air conditioning. 2. Do not set the air conditioning temperature too high. Prolonged exposure to excessively hot temperatures can cause drowsiness and affect driving. 3. If the airflow is weak, check if the air conditioning filter is clogged with too much dust. 4. During long-distance driving, ventilate the car periodically. Poor air circulation in a confined space can lead to breathing difficulties for passengers over time. 5. Turn off the air conditioning before parking and switch to the external circulation mode with natural air. This helps clean the air conditioning system's ducts and prevents bacterial growth.

16

5

Share

What is the displacement of the Volkswagen Passat 380TSI?

The displacement of the Passat 380TSI is 2.0L. The engine model is EA888-DKX, with a maximum output power of 162kW and a maximum torque of 350Nm. The engine type is turbocharged. An engine is a machine that converts other forms of energy into mechanical energy, such as internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, electric motors, etc. Precautions for using car engines: 1. Difficulty in cold starting the engine is mainly due to the engine temperature being too low. Therefore, it is necessary to keep the engine warm and prevent cold wind from directly blowing into the engine compartment to avoid failure to start. When parking in winter, pay attention to the direction of the car's front. It is best to have the front of the car facing a building to use the building as a windbreak and prevent the engine from being overcooled by cold wind. 2. Engine stalling during gear shifting may be due to idle speed being too low, the idle cutoff valve not being tightened, the gear being too high, or the oil-gas separator being severely clogged. Normally, start in first gear, check if the idle cutoff valve is tightened and if the plug is securely connected. If necessary, clean the oil-gas separator. 3. Regularly clean the fuel system. During the process of supplying fuel to the combustion chamber through the fuel lines, it is inevitable that gum and carbon deposits will form, depositing in the fuel lines, carburetor, fuel injector, and combustion chamber, interfering with fuel flow, disrupting the normal air-fuel ratio, causing poor fuel atomization, and leading to engine shuddering, knocking, unstable idle, poor acceleration, and other faults. Using a strong and efficient cleaner to clean the fuel system and control carbon deposit formation can always keep the engine in optimal condition.

9

5

Share

Is the GM L2B engine based on Suzuki technology?

Is the GM L2B engine based on Suzuki technology? The durability and reliability of this engine are quite good, and it can be found in many models under the Chevrolet brand. Here is some extended information: 1. The 1.5-liter naturally aspirated engine in the Cavalier is the L2B engine. This engine has a maximum power of 83 kW, a maximum torque of 141 Nm, a maximum power speed of 6000 rpm, and a maximum torque speed of 4000 rpm. The engine is equipped with DVVT technology and uses an aluminum cylinder head and an iron cylinder block. 2. All-aluminum engines are lighter and have better heat dissipation performance, but aluminum cylinder blocks cannot withstand too high pressure and temperature. Although cast iron engines are heavier and have inferior heat dissipation performance compared to all-aluminum engines, they can withstand higher temperatures and pressures, making them more durable.

7

4

Share

Will points be deducted for crossing the line at a traffic light intersection?

When a vehicle crosses the line at a traffic light, if it has just slightly crossed the stop line but stops immediately, no points will be deducted. However, if there is significant movement after crossing the line, points will be deducted. Relevant information is as follows: 1. The three photos taken by electronic surveillance for running a red light are: the vehicle crossing the stop line, the vehicle reaching the middle of the intersection, and the vehicle arriving at the opposite intersection. Only when all three photos are present will it be considered running a red light, which results in a 6-point deduction under the new regulations. 2. When the red light is on, vehicles are prohibited from going straight or turning left. However, right turns are allowed if they do not interfere with pedestrians or other vehicles. When the green light is on, vehicles are permitted to go straight or turn. When the yellow light is on, vehicles must stop at the stop line or within the pedestrian crossing line, and vehicles that have already passed may continue. A flashing yellow light warns vehicles to pay attention to safety.

20

3

Share

What is the real fuel consumption of the Roewe i5?

The comprehensive fuel consumption of the Roewe i5 is 5.5-5.9L/100km. There are currently 9 models of the Roewe i5 on sale: the CVT Star Edition, CVT Black Gold Edition, Manual Diamond Edition, CVT Diamond Edition, CVT Platinum Edition, Manual Platinum Edition, with a comprehensive fuel consumption of 5.5L/100km. The DCT Light Speed Edition, DCT Sonic Edition, and DCT Wind Speed Edition have a comprehensive fuel consumption of 5.9L/100km. The above figures are the NEDC comprehensive fuel consumption, which is the fuel consumption data measured under the NEDC test procedure. The real fuel consumption is higher than this value, ranging from 6.1-7.0L/100km. The specific factors affecting car fuel consumption are as follows: Car weight: Larger and heavier cars consume more fuel. Generally, a small family car with a 1.6L engine and a weight of about 1.2 tons has a fuel consumption of about 7.5 liters (calculated under full load conditions), while an SUV model weighing about 1.5 tons has a fuel consumption of 8.5 liters. Different weights result in different fuel consumption. Air resistance: Higher air resistance increases fuel consumption during driving. Cars with better aerodynamics have lower air resistance, leading to lower fuel consumption. Economical RPM: During driving, the engine has a most economical torque output point. If the car's speed is maintained at this torque output point for a long time, the fuel consumption will be significantly reduced. Generally, for small-displacement cars, this is around 70 km/h, while for large-displacement cars, it is about 100 km/h. Maintaining speed within this economical RPM range ensures minimal fuel consumption. Driving style: Aggressive driving, such as sudden acceleration, frequent overtaking, and not releasing the throttle in advance when approaching a red light, will increase fuel consumption.

6

2

Share

Why is the booster pump constantly making noise?

There are mainly two reasons why a pressure pump keeps making noise: damage to the pressure switch and failure of the check valve. If the pressure switch is damaged, it cannot sense the normal pressure conditions, causing the pump to keep working and making noise continuously. If the check valve fails, it cannot prevent water from flowing back into the pump, which prevents the water pressure from reaching the set level, resulting in continuous operation and noise. Below are the types of booster pumps: 1. Biogas booster pump: This is a pneumatic design, available in gas-liquid and gas types. It operates based on the principle of low air pressure and high hydraulic pressure during piston movement. If the air source pressure is insufficient, a booster pump can be used to increase the pressure. 2. Gas-liquid booster pump: This type is generally used for gases or liquids, such as when water pipe pressure is insufficient. These products are mainly made of aluminum alloy, and the parts in contact with liquids are made of carbon steel or stainless steel, depending on the liquid type. 3. Air booster pump: Similar to the first type, this pump operates using the effect generated by piston movement. It can be used in original air compression systems, increasing air pressure by about 5 times during operation.

5

4

Share

Is the window film applied on the inside or outside?

What are the main components of a car air conditioning system?

What is the displacement of the Volkswagen Passat 380TSI?

Is the GM L2B engine based on Suzuki technology?

Will points be deducted for crossing the line at a traffic light intersection?

What is the real fuel consumption of the Roewe i5?

Why is the booster pump constantly making noise?

What Causes Sudden Engine Oil Loss in Cars?

What are the general items for car maintenance?

How Many Kilometers for the First Oil Change in a New Car?

What is the Function of Engine Run-in Protector?