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What is a car belt?

1 Answers
DiGriffin
07/30/25 8:35am
Car belts, also known as automotive drive belts, primarily function for power transmission. The drive belts in a car are responsible for driving the movement of all mechanical components. If the belt fails, the car will be unable to move. There are three common types of belts in cars: V-belts (also called raw-edge belts), multi-ribbed belts (PK belts), and timing belts. The role of a car belt is to connect the upper and lower parts—the upper part connects to the timing pulley on the engine cylinder head, and the lower part connects to the crankshaft timing pulley. The timing pulley is connected to the camshaft, which has cams. The contact point of these cams is the rocker arm, which generates pressure through the power transmitted by the timing belt, performing a lifting function.
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How to Check Traffic Violations on the Same Day?

Traffic violations cannot be checked on the same day; they are generally available for inquiry within two business days to one week. Here is an introduction to vehicle violations: 1. Violation Capture: The captured violations need to be confirmed before being uploaded to the traffic police internal network. The time taken for confirmation and upload varies depending on the location, nature of the violation, and the penalty method. Currently, there is no precise record of the time interval. The traffic management network exchanges data with the traffic police internal network every night. Once confirmed and uploaded, the violations can be checked on the traffic management network within no more than two business days. 2. Camera-Captured Violations: Non-on-site violations (those captured by cameras) can be checked only after 15 days. The time frame varies across regions, typically around one week. Therefore, if vehicle owners are concerned about potential violations, they can check online for relevant information one week after the violation. For more certainty, they can check again after 15 days. Additionally, vehicle owners can subscribe to mobile notification services on their local traffic management bureau website, and they will usually receive penalty notifications the next day.
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What is the fuel tank capacity of the 2010 Volkswagen Lavida?

The 2010 Lavida model has only one variant, with a fuel tank capacity of 55 liters. It comes with one displacement option of 1.4T and one transmission choice of dual-clutch. The engine delivers a maximum power of 96.0 kW, maximum horsepower of 131 PS, and maximum torque of 220.0 N·m. The vehicle dimensions are 4608×1743×1465 mm (length×width×height). For comparison, the 2018 and 2021 Lavida models both have a fuel tank capacity of 51 liters, while the 2019 Lavida has a capacity of 52.8 liters. During actual refueling, the amount of fuel may exceed the nominal capacity. This is because the fuel tank capacity specified by the manufacturer is measured from the bottom of the tank to the safe fill level, with additional space left between the safe fill level and the tank opening. This space ensures that the fuel can expand when temperatures rise without overflowing. If fuel is filled up to the tank opening during refueling, the actual amount of fuel added may exceed the nominal capacity. To check the remaining fuel level, drivers can observe the fuel gauge on the right side of the instrument panel, marked with E (Empty) and F (Full). When the needle is close to E, it indicates low fuel, while nearing F means the tank is nearly full.
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What Causes Severe Jerking After Slow Braking?

Severe jerking after slow braking may be caused by a damaged solenoid valve. Below are relevant explanations about severe jerking after slow braking: 1. Other possible causes: (1) Lack of necessary maintenance on the braking system, excessive impurities in the brake master cylinder, poor sealing, failure of the vacuum booster pump, contaminated brake fluid or mixing different types of brake fluid causing vapor lock when heated, leakage in the brake master cylinder or wheel cylinder, or air leakage in the air reservoir or pipeline connections. (2) Mechanical failure due to improper operation. (3) Severe overloading increases the vehicle's inertia under gravity acceleration, directly leading to brake failure. 2. Solutions: (1) Control the direction according to road conditions and speed, disengage the high gear, and quickly rev the engine once before shifting from high gear to low gear. This creates significant engine braking resistance to rapidly reduce speed. Additionally, while shifting to low gear, use the handbrake in combination, but be careful not to pull it too tightly or too slowly. Pulling too tightly may cause the brake disc to "lock up," potentially damaging transmission components and losing braking ability; pulling too slowly may cause excessive wear or overheating of the brake disc, reducing braking effectiveness. (2) Use rigid parts of the vehicle (such as bumpers or body) to rub or collide with natural roadside obstacles (rocks, large trees, or slopes) to force the vehicle to stop and minimize accident damage.
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Where is the rearview mirror heating switch for the Changan CS75?

The rearview mirror heating switch for the Changan CS75 is located at the bottom right corner of the central control air conditioning panel. It is the button for both the rearview mirror and rear windshield heating, marked with a rectangle icon featuring three arrows. Pressing it to light up activates the function. The rearview mirror heating is particularly useful during rainy or snowy weather. When activated, the heater behind the mirror quickly warms the surface, gradually removing rain or fog, eliminating the need for frequent manual wiping by the driver and thus reducing driving hazards. How to use the rearview mirror heating function: There are generally two ways to activate the rearview mirror heating function. One is combined with the electric rearview mirror adjustment button—simply rotate the knob to turn it on. The other is located on the air conditioning control panel—press the heating button to activate it. No manual angle adjustment is needed, as there is an adjustment button on the driver's side. Principle of the rearview mirror heating function: After pressing the button, the electric heater behind the rearview mirror glass rapidly heats up to a fixed temperature within a few minutes, typically between 35-60 degrees Celsius. The heat is then distributed to both left and right rearview mirrors. Simultaneously, as the temperature rises and evaporates, water droplets on the mirror surface become smaller, and fog gradually disappears, effectively clearing the mirror of frost and fog. However, if the rain is particularly heavy, the effect may diminish and become less noticeable. Precautions for using the rearview mirror heating function: The principle of rearview mirror heating involves adding electric heating wires to the mirror. These wires consume a significant amount of power. Therefore, when using the rearview mirror heating function, ensure the car is in an ignited state. Avoid activating the function while the car is stationary to prevent draining the car battery, which could lead to insufficient power for starting the vehicle. Other methods for defogging rearview mirrors include: Opening windows for airflow: Crack open both side windows slightly to allow air circulation between the inside and outside of the car, reducing the temperature difference and gradually eliminating fog. Adjusting the car's air conditioning to the appropriate setting can also help by blowing hot air to remove fog.
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What is the speed change principle of a transmission?

The speed change principle of a transmission is achieved by the gears on the output shaft driving the gears on the input shaft. A small gear driving a large gear results in speed reduction and increased torque (which is why low speeds are used during startup), while a large gear driving a small gear results in speed increase and reduced torque. It utilizes different gear combinations to achieve speed and torque adjustments. Automotive transmissions are divided into manual and automatic types. Manual transmissions mainly consist of gears and shafts, producing speed and torque changes through different gear combinations. Automatic transmissions (AT) are composed of a torque converter, planetary gears, a hydraulic torque variation system, and a hydraulic control system, achieving speed and torque changes through hydraulic power transmission and gear combinations.
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Where is the Bluetooth in Cadillac XT5?

There is a Bluetooth option in the central control screen settings. Simply enable both your phone and the car's Bluetooth to pair them. Here is some related information: 1. Car Bluetooth: The Bluetooth technology in the car's Bluetooth system (English: Bluetooth) is derived from mobile phone Bluetooth technology and shares the same transmission system. Car Bluetooth is an in-vehicle wireless hands-free system designed based on wireless Bluetooth technology. 2. Functions of Car Bluetooth: The function of car Bluetooth is to automatically recognize mobile phones, allowing connection without cables or phone holders; the driver can control the phone without touching it, even keeping both hands on the steering wheel, using voice commands to answer or make calls. Users can conduct calls through the car's audio system.
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