Should the front and rear tire pressures of a car be the same?

Can a car with a spare tire run on the highway?

It is possible to drive on the highway with a spare tire installed, but for non-full-size spare tires, the speed should not exceed 80 km/h. The usage methods for various types of spare tires are categorized as follows: 1. Full-size spare tires have no restrictions on mileage or speed and can replace any temporarily or permanently unusable tire. Since full-size spare tires have the same dimensions as the original tires, there is no need for concern. 2. Non-full-size spare tires can only be used on non-driving wheels, and the maximum speed should not exceed 80 km/h. This is because these spare tires have slightly smaller diameters and widths compared to the other four tires and are only intended for temporary use. 3. Run-flat tires (commonly known as "anti-burst tires") do not lose air or lose air very slowly when punctured. They can maintain their driving profile, and the tire bead remains fixed to the rim, ensuring the car can drive stably for an extended period or temporarily to a repair station.

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Why does the car shake at low speeds?

There are several main reasons why a car may shake at low speeds: 1. Toe-in: Due to collisions during driving, the steering tie rod and steering cross rod may deform, various ball joints may wear out and become loose, or tire wear may become irregular, causing the toe-in to increase or decrease. 2. Wheel dynamic balance: After driving a certain distance, the original wheel dynamic balance weights may be lost, or the wheel hub may deform, causing the front of the car to sway and the steering wheel to shake at high speeds. 3. The lateral push rod ball joint may be loose or the bracket may be loose, leading to unstable driving. 4. The wheel hub bearings may be loose, and the left and right steering knuckle ball joints may be severely worn, causing inaccurate front wheel alignment.

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What Causes Abnormal Noises After Starting the Car?

Abnormal noises after starting the car can be attributed to the following main reasons: 1. Aging or loosening of engine mounts: Engine mounts are rubber blocks placed between the engine and the car frame. Their purpose is to reduce vibrations and provide cushioning during engine operation, as well as to secure the engine in place. Once these mounts age or become loose, the engine may start to shake, resulting in abnormal noises. 2. Engine misfire noise: An engine misfire mainly refers to one or more cylinders not functioning properly. This is usually characterized by noticeable intermittent exhaust gas flow and severe shaking of the exhaust pipe, which is often related to faults in the ignition coil.

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Which country does Valeo belong to?

Valeo is a French brand. Valeo is an industrial group specializing in the design, development, production, and sales of automotive components, systems, and modules. It is one of the world's leading automotive parts suppliers, with unique expertise and technological advantages in automotive powertrains, energy efficiency, emission reduction, and electronic new energy. More details are as follows: 1. Organization: Valeo operates in four business areas and consists of 12 specialized companies and 2 aftermarket parts companies. This organizational structure helps maximize collaboration among specialized companies in product development and production. 2. Electronics and Electrical Systems Business: This segment accounts for 53% of Valeo's sales and includes specialized companies in lighting systems, wiper systems, switches and sensors, electrical systems, motors and actuators, electronics and connection systems, security systems, and engine management systems. 3. Thermal Systems Business: This segment accounts for 25% of Valeo's sales and includes air conditioning systems, engine cooling systems, and related modules. 4. Transmission Systems Business: This segment includes friction materials and clutch systems, accounting for 4% of Valeo Group's sales. 5. Valeo Aftermarket Parts Business: This segment consists of two specialized companies: OES (Original Equipment Service) and IAM (Independent Aftermarket). Both companies share market information and logistics services to improve efficiency while leveraging their own customer resources to meet customer needs. Valeo sales companies account for 18% of the group's sales.

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How to Turn On Low Beam and High Beam Headlights?

To turn on the low beam and high beam headlights, locate the control lever in your car that adjusts the headlights. Rotate the lever in the direction indicated by the low beam and high beam icons. More information about low beam and high beam headlights is as follows: 1. It is generally advisable not to use high beams when driving in the city, as urban areas usually have good lighting conditions. High beams are angled too high and can easily dazzle oncoming drivers and pedestrians, affecting their visibility and posing safety risks. It is also considered impolite driving behavior. However, alternately flashing high beams at night can serve as a substitute for honking to alert pedestrians and vehicles nearby, avoiding excessive noise. 2. When driving on highways or in rural areas without streetlights, high beams can be used to expand the field of vision. However, when encountering oncoming traffic, it is necessary to switch to low beams for safety and courtesy.

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How to Identify China IV or China V Vehicles?

The methods to identify China IV or China V vehicles are as follows: 1. For vehicles that have already received the environmental protection inspection qualification mark, the emission standard can be viewed on the original or duplicate of the environmental protection inspection qualification mark. Alternatively, you can log in to the Motor Vehicle Environmental Protection Website and enter the vehicle model and engine model in the New Vehicle Compliance Query System. 2. According to the national plan, the China VI emission standard is scheduled to be implemented on July 1, 2020, only three years after the full implementation of the China V standard. In some key regions, such as the Beijing-Tianjin-Hebei region and surrounding areas, the Yangtze River Delta region, the Fenwei Plain, the Pearl River Delta, and the Chengdu-Chongqing region, the China VI emission standard will be implemented ahead of schedule. 3. Compared to the current China V standard, the China VI standard raises the threshold by nearly 50%, and it is slightly higher than the current international strictest emission limit—the Euro VI standard. After the official implementation of the China VI standard, it will become the strictest motor vehicle emission standard in the world.

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Should the front and rear tire pressures of a car be the same?

Can a car with a spare tire run on the highway?

Why does the car shake at low speeds?

What Causes Abnormal Noises After Starting the Car?

Which country does Valeo belong to?

How to Turn On Low Beam and High Beam Headlights?

How to Identify China IV or China V Vehicles?

Why Are All the Warning Lights on My Car Illuminated?

How to Adjust the Car Radio Clock?

Can the Fuel Pump Be Cleaned?

Is it necessary to press the brake when starting an automatic transmission car?