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What noise does a broken bearing make?

1 Answers
McCorbin
07/30/25 3:29am
A humming sound. Below are specific explanations about damage to the rear wheel bearing of a car: 1. Method to determine if it's damaged: After accelerating the car, let it coast in neutral. If the humming sound remains unchanged, it indicates a damaged rear wheel bearing. 2. Causes of rear wheel bearing damage: Broken or rusted components, entry of foreign objects, or tilting of the roller can cause damage. Prolonged exposure to acidic liquids and moisture can also lead to rusting of components; poor lubrication, if there's insufficient grease between the roller and raceway, dry friction may occur, producing abnormal metallic friction noises; clearance issues, there should be appropriate gaps between car parts, and when the distance between the roller and raceway decreases, it can easily cause friction heat, leading to bearing sintering.
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What happens if you accidentally shift to N gear while driving an automatic transmission car?

Accidentally shifting to N gear while driving an automatic transmission car once or twice is generally fine, but prolonged use can damage the transmission. The correct parking procedure for an automatic transmission car is: 1. Press the brake pedal and shift to N gear; 2. Engage the handbrake, then shift to P gear; 3. Release the brake pedal and turn the key to shut off the engine. Precautions for shifting gears in an automatic transmission car: 1. Do not press the accelerator pedal when shifting gears; 2. Do not immediately press the accelerator pedal hard after shifting gears; 3. The vehicle can only be started in P or N gear; 4. To move the gear lever out of P gear, you must press the brake pedal; 5. Do not shift to N gear while driving to coast; 6. Do not push into P gear while the vehicle is moving; 7. When changing direction, switch between D and R gears only after the vehicle has come to a complete stop; 8. Shifting to N gear while driving prevents the oil pump from supplying oil normally for lubrication, which can cause the internal components of the transmission to overheat and result in damage.
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How to Reset the Maintenance Light on the 2021 Haval H6?

The method to reset the maintenance light on the 2021 Haval H6 is as follows: 1. Insert the key; 2. Turn the key to the 'ON' position, then press and hold the odometer button on the dashboard for more than 15 seconds without releasing it while the engine is idling; 3. Simultaneously press the brake and accelerator pedals and wait for the maintenance light to flash; 4. Release both the brake and accelerator pedals. Taking the 2021 Haval H6 as an example, it is a compact SUV with body dimensions of 4615mm in length, 1860mm in width, and 1720mm in height, a wheelbase of 2680mm, a fuel tank capacity of 58 liters, and a curb weight of 1675kg. The 2021 Haval H6 features a front MacPherson independent suspension and a rear double-wishbone independent suspension. It is equipped with a 1.5L turbocharged engine, delivering a maximum horsepower of 150PS, a maximum power of 110kW, and a maximum torque of 210Nm, paired with a 6-speed manual transmission.
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The method for adjusting the brakes of a four-wheel electric vehicle is: 1. If the brakes feel soft, bleed the air from the system; 2. Adjust the brake pad travel by removing the tire and using a screwdriver to adjust the gear on the wheel cylinder. The maintenance methods for brakes include: 1. High-temperature protection to prevent corrosion of the brake system; 2. Clean oil stains from the brake discs, brake drums, and brake pads to ensure good heat dissipation of the brake discs; 3. Regularly replace the brake fluid; 4. Periodically check the thickness of the brake pads or brake shoes. The functions of the clutch include: 1. Gradually increasing the driving force of the vehicle for a smooth start; 2. Temporarily separating the engine and transmission for gear shifting; 3. Preventing overload of the transmission system; 4. Reducing torsional vibration impacts from the engine and extending the lifespan of transmission gears.
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What does the 3C mark on glass mean?

The 3C certification for glass is part of China's compulsory product certification system, serving as a fundamental safety certification. Methods for maintaining automotive windshield glass include: 1. Using specialized or appropriate wiper blades and replacing them promptly; 2. Keeping the glass surface clean; 3. Using automotive-specific glass cleaner. The functions of automotive glass are: 1. Protecting against wind and rain while reducing noise; 2. Minimizing wind resistance and improving airflow; 3. Ensuring the safety of vehicle occupants. The steps for adding windshield washer fluid are: 1. Activate the wiper switch, causing the washer fluid to spray from below the windshield; 2. Continue until the spray nozzles stop emitting fluid, then open the washer fluid reservoir cap and add fluid; 3. Reactivate the wiper switch to clear any remaining fluid; 4. Once no more fluid sprays out, add washer fluid and securely close the reservoir cap.
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Does removing and reinstalling the bumper have any impact?

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