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Should I Replace a Tire That Has Been Patched 4 Times?

1 Answers
MacDonovan
07/30/25 5:28am
In general, a tire should be replaced directly after being patched 3-5 times. When a tire has a puncture wound, even if it is repaired by patching, the wound area remains the weakest part of the tire. Over time, especially when driving in rainy conditions, water can seep into the wound, eventually causing it to leak again. Therefore, when a tire's wound reaches 3-5 centimeters, it has essentially reached its service limit. The following situations require immediate replacement: 1. Severe damage to the tire tread or sidewall: This indicates that the tire can no longer be used and must be replaced to ensure driving safety. 2. Severe tread deformation or significant damage to the tire body: In cases of severe tread deformation or damage to the tire body, a new tire must be installed. Tread deformation is actually influenced by the tire body. When the tire body is subjected to significant force, its internal structure is damaged, leading to deformation, and the tread follows suit. At this point, the tire's lifespan has effectively ended.
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Can a Dry Motorcycle Battery Be Recharged When Dead?

Yes, the so-called dry battery in motorcycles is actually a maintenance-free battery. When this type of battery is depleted, it can be directly recharged using a charger without the need to check or add supplementary fluid. It's important to use a small current of less than 1 amp for charging, as a higher current may damage the battery. If the battery still doesn't work after proper charging, it means the battery is dead and needs to be replaced. Dry batteries come in two types: maintenance-free lead-acid batteries and lithium batteries. Lithium batteries certainly do not require water (as they inherently have no relation to water). As for maintenance-free lead-acid batteries, when the liquid level falls below the standard line, distilled water should be added. For general vehicle storage maintenance, fully charge the battery before storage and disconnect the battery terminals. Recharge the battery once every month if the vehicle is stored for more than a month to ensure normal battery performance. Note: If the motorcycle will not be used for an extended period, it is recommended to remove the battery, clean it, fully charge it before storage, place it in a dry location, and recharge it once a month. However, do not drain the electrolyte from the battery to prevent the plates from being exposed to air and oxidizing.
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Will a hazardous materials vehicle be fined for being a few minutes late getting off the highway at night?

Need to pay the fine at the traffic police department: 1. Hazardous materials vehicles that exceed the time limit on the highway should find an exit to get off the highway as soon as possible; 2. Because hazardous materials vehicles on the highway are relatively more dangerous, if an accident does occur, the consequences would be unimaginable; 3. If you encounter a hazardous materials vehicle on the highway, you should stay away from it as soon as possible. In 2021, the prohibited time for hazardous materials vehicles on highways in most provinces is between 0:00 and 6:00 a.m. The danger of transporting hazardous materials is much higher than that of ordinary transport vehicles. The "Measures for the Safety Management of Road Transportation of Dangerous Goods" implemented in January 2020 requires the safe, efficient, and convenient transportation of hazardous materials from multiple aspects. Currently, many provinces have adopted different measures for hazardous materials vehicles on highways. Many provinces have responded to the call and imposed restrictions on the passage of hazardous materials vehicles on highways. Zhejiang, Hunan, Jiangsu, Guangdong, Hebei, Shaanxi, Jilin, Shanxi, Chongqing, Sichuan, Guangxi, and Liaoning have set the prohibited time for hazardous materials vehicles on highways from 0:00 to 6:00 a.m. daily.
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Why is the air conditioning in the new BMW X3 not cooling?

There are many reasons why the air conditioning in the new BMW X3 is not cooling, the most common ones include: 1. No air or low air volume from the air conditioning. It is necessary to check whether the air filter is dirty, whether the blower can operate normally, and whether the air conditioning flap motor can switch properly. 2. Lack of Freon in the air conditioning system. It is necessary to check whether the system is leaking. After confirming the repair, add Freon to the standard range. 3. Dirty radiator condenser or engine cooling system failure, leading to excessively high water temperature, such as the cooling fan not working, resulting in poor heat dissipation of the radiator and condenser. 4. Incorrect data from various sensors such as the air conditioning pressure sensor and evaporator box sensor, causing the air conditioning system to fail to adjust correctly. 5. Damage to the air conditioning compressor adjustment solenoid valve, air conditioning compressor clutch, or internal damage to the air conditioning compressor. 6. Faults in the air conditioning system wiring or control unit. When the car air conditioning is not cooling, you can choose a relatively professional repair institution for inspection and repair, such as the 4S shop or brand-specific repair shop of the vehicle model, and select the repair institution according to your actual situation.
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What is the fuel tank capacity of the Ford F650?

The fuel tank capacity of the Ford F650 is 600L, as officially announced. The Ford F650 uses diesel fuel, with a fuel consumption of 30-50L per 100 kilometers. A full tank can cover a distance of 1200-2000km. During daily driving, it is necessary to always pay attention to the remaining fuel level in the tank. This is usually observed through the fuel gauge inside the vehicle. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge typically has 5 to 6 segments, and it is advisable to refuel when there are only 2 segments left to avoid running out of fuel midway. During actual refueling, the amount of fuel may exceed the marked capacity. This is because the fuel tank capacity marked by the manufacturer is from the bottom of the tank to the safe limit, and there is still some space from the safe limit to the tank opening. This space is reserved to allow for fuel expansion when temperatures rise, preventing overflow. If fuel is added up to the tank opening during refueling, the actual amount of fuel added may exceed the marked tank capacity.
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How to open the fuel tank of Borgward BX7?

The fuel tank of the Borgward BX7 can be opened by pressing the fuel tank cap when the car is unlocked. Here are some details about the fuel tank: 1. Many car models now adopt a press-type opening method: This method of opening the fuel tank cap is quite convenient, and the Borgward BX7 has a placement position inside the fuel tank, so you don't need to hold it while refueling. 2. Generally, there are three common ways to open the fuel tank cap: mechanical key opening, in-car switch opening, and press-type opening. 3. Mechanical key opening: This method of opening the fuel tank cap is relatively rare and is usually seen on some off-road vehicles. Modern family cars generally do not use this method because it is relatively complicated to use. 4. In-car switch opening: This is a more common method of opening the fuel tank cap, which is more convenient than using a mechanical key. Depending on the car model, the position of the fuel tank cap switch may vary. Some switches are located on the left floor of the passenger seat, while others are placed on the center console. However, their working principles are the same. 5. Press-type opening: This is currently the most convenient method of opening the fuel tank cap and is widely adopted by many car manufacturers.
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Why does the dashboard key light keep flashing?

The flashing key icon on the dashboard is the anti-theft system indicator light, and constant flashing indicates that the anti-theft system is activated. Below are the components of the dashboard: Components of the car dashboard: 1. Speedometer and odometer: Consists of two meters. One is the speedometer, and the other is the odometer. 2. Tachometer: The tachometer is generally located inside the instrument panel, placed symmetrically with the speedometer and odometer. The tachometer operates based on magnetic principles. It receives pulse signals generated when the primary current in the ignition coil is interrupted and converts these signals into a displayable rotational speed value. The faster the engine speed, the more pulses the ignition coil generates, and the higher the rotational speed value displayed on the meter. 3. Indicator lights and warning lights: Timing belt indicator light, exhaust temperature warning light, brake warning light, anti-lock braking system (ABS) warning light, etc. 4. Oil pressure gauge: The sensor of the oil pressure gauge is a piezoresistive sensor. It is fixed with threads to the engine oil pipeline. The oil pressure pushes the contact piece to move along the resistor, changing the resistance value, which affects the current flowing through the gauge to the ground, thereby moving the pointer.
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