Where is Xia Heng, the founder of XPeng Motors, from?

What Causes Loud Car Fan Noise?

There are several reasons for loud car fan noise: 1. Excessive bearing wear: Check the radiator and surrounding components to see if the bearing is excessively worn. If so, simply replace the bearing. Also, check if the fan blades are rubbing against anything. If not, the fan is likely faulty, and replacing the fan bearing or coupling should resolve the issue. 2. Fan blades: Inspect the horizontal and vertical clearance of the motor rotor shaft. If no issues are found, remove the motor and fan to check for any deformation in the fan blades. Currently, most auto repair shops typically replace the entire motor. If the problem persists, open the motor to check if the rotor is rubbing against the stator.

5

Share

What does the 'Turtle Sunbathing' warning light on a car indicate?

When the 'Turtle Sunbathing' warning light appears on the dashboard, it indicates a battery depletion issue. Below is an introduction to the battery: 1. Working Principle: The battery, also known as a storage battery, is a type of cell that converts chemical energy into electrical energy. Typically, the term 'battery' refers to a lead-acid battery, which is mainly composed of lead and its oxides, with a sulfuric acid solution as the electrolyte. 2. Maintenance Methods: Avoid storing the battery in a depleted state. A depleted state occurs when the battery is not recharged promptly after use, leading to sulfation. This results in lead sulfate crystals forming on the electrode plates, blocking ion channels and causing insufficient charging, which reduces the battery's capacity. The longer the battery remains idle in a depleted state, the more severe the damage. When the battery is not in use, it should be charged once a month to extend its lifespan.

1

3

Share

What is the normal water temperature for a BMW X3?

The normal water temperature for a BMW X3 is 105 degrees. If the water temperature is too high, it indicates insufficient coolant, and the owner needs to add coolant. If the water temperature is too low, it suggests an issue with the engine, requiring inspection and repair. During winter driving, the owner should warm up the car and wait for the water temperature to rise before driving. Below are some relevant details: 1. Preventive measures: If the owner notices that the BMW X3's water temperature exceeds the normal range, it may indicate insufficient or frozen coolant. To prevent this, the owner should regularly check the coolant level and replace it with a lower-grade antifreeze when traveling to cold regions or during seasonal changes. This helps avoid engine overheating and damage due to frozen antifreeze. 2. Solutions for low water temperature: If the vehicle's water temperature is too low, the owner should check if the engine is functioning properly. Revving the engine can help raise the water temperature quickly. If this doesn’t work, the owner should inspect components such as the fuel injectors and spark plugs to ensure they are operating correctly.

10

4

Share

Why is there cold air on the left and hot air on the right in an Audi A6?

Audi A6 experiencing cold air on the left and hot air on the right is caused by a malfunction in the car's heater valve. Additional information on the reasons for Audi A6 heater failures is as follows: 1. Opening the thermostat too early causes the cooling system to prematurely enter the large circulation cycle: During vehicle operation, the outdoor cold air rapidly cools the antifreeze, preventing the engine water temperature from rising, which inevitably results in no warm air. Damage or slippage of the water pump impeller reduces the flow rate through the heater core, preventing sufficient heat transfer. 2. Air lock in the engine cooling system: Air lock leads to poor circulation in the cooling system, causing high water temperature and heater malfunction. If there is always air in the cooling system, it is likely due to a damaged cylinder gasket allowing air into the cooling system. If the outlet pipe of the heater core is cold while the inlet pipe is hot, it indicates that the heater core is clogged.

14

5

Share

Why does an Audi beep every few minutes?

Audi beeping every few minutes may be caused by unfastened seat belts, incompletely released handbrake, or unclosed multimedia functions. Here are the specific reasons: 1. Overheating coolant: When coolant temperature is too high, the car will emit beeping sounds. The dashboard warning light doesn't display coolant level but only shows temperature. Once the coolant warning light comes on, it indicates insufficient antifreeze in the radiator. 2. Low tire pressure: The vehicle has electronic components monitoring tires. If a tire leaks or has insufficient pressure, the information will be transmitted to the alarm system. 3. Insufficient engine oil: Low oil level affects operation between automotive components. Without proper lubrication, component wear increases and may even cause damage. When oil pressure is insufficient, the warning system will alert.

3

5

Share

Why does the car key not respond when locking the car?

If the car key does not respond when locking the car, it may be due to a dead battery in the key or strong surrounding interference. The basic components of a remote key consist of the following two points: 1. Transmitter: Composed of a transmission switch, transmission antenna, integrated circuit, etc., it contains an identification code storage circuit and an amplitude modulation circuit, with a button-type lithium battery on the opposite side of the circuit. The transmission frequency uses radio waves, and pressing the transmission switch button once sends a signal. 2. Receiver: After the transmitter sends the identification code using shortwave modulation, it is received by the car's shortwave antenna and processed by the distributor into the receiver's electronic control unit for shortwave high-frequency amplification and demodulation, where it is compared with the demodulator's identification code.

9

2

Share

Where is Xia Heng, the founder of XPeng Motors, from?

What Causes Loud Car Fan Noise?

What does the 'Turtle Sunbathing' warning light on a car indicate?

What is the normal water temperature for a BMW X3?

Why is there cold air on the left and hot air on the right in an Audi A6?

Why does an Audi beep every few minutes?

Why does the car key not respond when locking the car?

How Long Does Audi Individual Customization Take?

What Causes the Buzzing Noise at 110-120 km/h on the Highway?

Where is the BMW X3 door lock button located?

Is it okay to leave the car key inserted in the car all the time?