Are 4S Bumpers Genuine OEM Parts?

How many kilometers does a car need to run before changing tires?

Car tires need to be replaced after running 30,000 to 50,000 kilometers, and the replacement time can be determined based on road conditions and mileage. The functions of tires are: 1. To transmit driving force, braking force, and steering force through the tires to achieve vehicle operation. 2. To support vehicle load. 3. To reduce and absorb the vibration and impact force during driving, avoiding severe vibrations that may damage car components. The maintenance methods for tires are: 1. Regularly clean stones stuck in the tire treads. 2. Reduce exposure of tires to direct sunlight. 3. Promptly check tire pressure. 4. Pay attention to the maintenance of the suspension system. 5. Regularly check front wheel alignment. 6. Be mindful of driving habits, choose smooth roads to drive on, avoid objects that can puncture or scratch tires, and steer clear of chemical spills that may corrode the tires.

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How to Use Rearview Mirrors When Driving in an S-Curve?

When driving in an S-curve, the method for using rearview mirrors is as follows: 1. When the left front edge of the car aligns with the right line of the S-curve, turn the steering wheel one full turn to the left. 2. Observe the left rearview mirror to ensure the distance between the car body and the left line remains approximately 30 cm. 3. At the curve junction, straighten the steering wheel and then check the right rearview mirror to maintain a distance of about 30 cm between the car body and the right line. Car rearview mirrors are categorized into: 1. Left-side rearview mirror. 2. Right-side rearview mirror. 3. Central rearview mirror. As crucial safety components, car rearview mirrors serve the purpose of allowing drivers to indirectly observe conditions behind, beside, and below the vehicle, thereby expanding the driver's field of vision.

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How Often Should Car Antifreeze Be Replaced?

For vehicles that operate for extended periods, such as taxis, high-quality antifreeze generally needs to be replaced once a year. For vehicles with shorter operating times, replacement can be done every two years or every 30,000 kilometers. To prevent excessive foam formation, which reduces the heat exchange efficiency between the antifreeze and engine components, ensure the product is within its validity period when adding it. Long-life antifreeze can have a validity period of up to three years. Method for Replacing Antifreeze: Before completely replacing the antifreeze, conduct a thorough inspection to check for any signs of leaks or cracks in the pipelines, with a focus on the five-way hose. The five-way hose gets its name from having five connection points to various parts. Antifreeze flows through the five-way hose and is then distributed to different parts of the car to function. If there are signs of antifreeze leakage in this section, replace the hose or resecure the connections as needed. Drain the old antifreeze, then flush the fluid channels with clean water. Add clean water to the antifreeze reservoir and continue filling until water flows continuously through the engine cooling system. Then, start the engine and let it idle for 3 to 5 minutes to circulate the water. Initially, the water draining from the reservoir will have a faint pink tint. Continue adding clean water until clear water flows out. Note: Do not forget to remove the heater hose and drain the water from the heater core. Approximately one hour after draining, add the new antifreeze through the radiator hose—this ensures the antifreeze flows quickly into the radiator. Then, add another container of antifreeze to the antifreeze reservoir until it is nearly full. Start the engine and let it run for about 10 minutes. During this time, the coolant level will drop slightly as air is purged from the system. Top up the antifreeze until it reaches the "MAXT" mark on the reservoir.

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What is the oil volume of a hydraulic coupling?

The oil filling volume for a hydraulic coupling is 70%-80%; for ordinary torque-limiting hydraulic couplings, the filling volume is 80% of the rated power. Typically, the oil filling range for YOX-type couplings is 40%~80%. Precautions for using hydraulic couplings: 1. Avoid rapid and frequent forward and reverse rotations. 2. The rotation direction of the coupling's output shaft should match that of the motor shaft. During the initial test run, check if the motor rotation direction meets the requirements. 3. When the motor reaches the rated speed, the driven machine must start operating. If the driven machine does not move, immediately shut down and check if the load is too heavy, causing a braking effect. 4. During continuous operation, the coupling's working temperature must not exceed 90°C. 5. Regularly (every 3000 hours) check the oil quality. If the oil quality deteriorates, replace it immediately. 6. Periodically inspect the positional accuracy between the motor shaft and the working machine shaft and correct it as needed. 7. Regularly check the installation foundation of the motor and working machine to avoid early damage caused by poor foundation rigidity, which can lead to vibration and coupling issues. 8. Regularly inspect the wear of the elastic blocks or discs in the flexible coupling and replace them periodically. 9. Do not disassemble the coupling housing arbitrarily to avoid compromising sealing, assembly precision, and balance accuracy, which could lead to accidents. 10. Do not replace the coupling oil medium with water. 11. Do not fill the coupling arbitrarily, and never fill it completely. Strictly follow the filling instructions in the manual.

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What Causes Black or Yellow Discoloration on the Exhaust Pipe?

Black or yellow discoloration on the exhaust pipe is primarily caused by incomplete combustion inside the vehicle's engine. Unburned oil vapors passing through the catalytic converter can partially carbonize, and over time, these carbon deposits accumulate at the exhaust pipe outlet, leading to blackening. The reasons for incomplete combustion are as follows: 1. Poor spark plug performance, resulting in incomplete fuel combustion in the cylinder. Solution: Repair or replace the spark plugs. 2. Incorrect ignition timing, causing the engine to malfunction. Solution: Adjust the ignition timing. 3. Poor driving habits during startup, insufficient cylinder pressure, or excessively low engine temperature. Solution: Adjust driving habits.

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Where is the Best Place to Connect a Dash Cam?

The optimal connection points for a dash cam are: 1. Cigarette lighter. 2. ACC fuse box. Dash cams can be categorized by function into: 1. High-definition dash cams. 2. Mini dash cams. 3. Night vision dash cams. 4. Wide-angle dash cams. 5. Dual-lens dash cams. 6. Multi-function all-in-one dash cams. 7. Eyewear-style multi-function dash cams. The functions of a dash cam include: 1. Protecting the driver's legal rights. 2. Reviewing recorded surveillance footage. 3. Providing accurate and verifiable evidence for sentencing and compensation in road traffic accident cases. 4. Offering decisive evidence for solving cases involving professional scammers or highway robberies.

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Are 4S Bumpers Genuine OEM Parts?

How many kilometers does a car need to run before changing tires?

How to Use Rearview Mirrors When Driving in an S-Curve?

How Often Should Car Antifreeze Be Replaced?

What is the oil volume of a hydraulic coupling?

What Causes Black or Yellow Discoloration on the Exhaust Pipe?

Where is the Best Place to Connect a Dash Cam?

What is the optimal temperature for car air conditioning in winter?

How to Calculate Fuel Consumption per Kilometer for a Vehicle?

Is the Highway Free During the Mid-Autumn Festival?

What does the M gear on an automatic transmission mean?