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What Are the Basic Knowledge Points of Car Maintenance?

1 Answers

JasperLynn

07/30/25 7:14am

Car maintenance is a highly complex professional skill. Professional automotive technicians need to master extensive knowledge, such as automotive electrical circuits, the working principles of car engines, and the operational mechanisms of transmissions. A car is primarily composed of the body, engine, transmission, and chassis. The body is further divided into the body frame and body panels. Body panels include the front and rear bumpers, front fenders, hood, trunk lid, and doors. Since the roof and rear fenders are welded to the body frame, they are considered structural components of the body. Below are additional details on car maintenance: 1. Front Suspension: In front-engine, front-wheel-drive vehicles, the engine, transmission, and front suspension are mounted on the front subframe. In front-engine, rear-wheel-drive vehicles, the engine and front suspension are fixed to the front subframe, while the rear subframe houses the rear differential and rear suspension. 2. Subframe: The subframe plays a crucial role in the chassis and helps transmit collision forces during impacts. 3. Car Transmission: Transmissions are categorized into CVT, dual-clutch, AMT, AT, and manual transmissions, each with distinct working principles and common failure points.

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What is the Mercedes-Benz Vito?

Mercedes-Benz Vito is an MPV launched by German automaker Mercedes-Benz, positioned as a "Professional MPV". The Mercedes-Benz Vito is a star product under Fujian Benz, with a wheelbase of 3430mm and spacious interior. Its 7-9 seat configuration meets group travel needs. Here's an introduction to the Mercedes-Benz Vito: 1. Fujian Benz Vito adopts a "simple + majestic" design style. The new eagle-shaped headlights replace the previous teardrop shape, showcasing grandeur and sharpness. Two uniquely designed lines between the headlights and taillights give the body a dynamic appearance. The new two-piece blade-style grille endows the vehicle with a capable and robust temperament. 2. With its "premium yet affordable" high cost-performance ratio, excellent performance, stable and majestic appearance, and outstanding safety reliability, the Vito has been favored by numerous industry users since its launch and has received multiple recognitions from industry organizations.

Where is the Cadillac handbrake located?

Cadillac's handbrake is located in front of the center console between the driver and front passenger seats. The handbrake, also known as the parking brake, varies depending on the vehicle series, model, and version. There are two types of Cadillac handbrakes: electronic and mechanical. The mechanical handbrake is in the form of a lever, while the electronic handbrake is a button. The electronic handbrake is easier and more effortless to operate, and it also effectively saves interior space. The function of the handbrake is to brake when parking on flat or sloped surfaces, keeping the car stationary and preventing it from rolling downhill, thereby avoiding traffic accidents. Pulling up the handbrake during a turn can create a drifting effect. The working principle of the car handbrake involves a brake disc connected to the driveshaft transmitting the pulling force back through a steel cable to achieve parking braking. After pulling the handbrake, the hydraulic auxiliary cylinder is used to push the hydraulic master cylinder beneath the car into motion, which then drives the air valve to act and brake the driveshaft.

How to Identify Tire Speed Ratings?

Automobile tire speed ratings primarily correspond to the specific maximum speed that the tire can support. Speed ratings are generally represented by letters from A to Z, with higher letters indicating higher maximum speeds. Below are some related extended information: 1. Definition: The speed rating indicates the maximum speed at which a tire can carry a specified load under defined conditions. Different tires will have English letters on their sidewalls to denote their speed ratings. These letters represent certified speed ratings ranging from 4.8 km/h to 300 km/h. 2. Spare Tire: The speed rating for a car's spare tire is M, which signifies a maximum speed of 130 km/h. However, when using a spare tire, it is advisable not to exceed 80 km/h to minimize wear on the drivetrain. Therefore, when using a spare tire, the vehicle's speed should be kept below 80 km/h.

Where is the fuel tank cover switch on the Reiz?

On the floor near the driver's seat door of the Reiz, there are two flip-up switches that can be operated. The larger one towards the front controls the trunk opening, while the smaller one towards the rear is the switch for opening the fuel tank cover when flipped up. Below is some information about the Reiz: 1. In Japan, the MARK X is a sports car. After being domestically produced, the MARK-X was given a resounding Chinese name - Reiz, and the German word 'Reiz', meaning 'charm', also appears on the rear of the car. 2. The positioning range of this car (functional competitors, not just price) is very broad, ranging from the Volkswagen Bora priced around 100,000 RMB, to the Mazda6, Teana, Audi A4, and even the BMW 530i. Any car associated with sportiness can be considered as its competitor.

How many kilometers can a car be driven after it is due for maintenance?

After the car maintenance reminder appears, the vehicle can still be driven normally as it does not affect driving safety. However, it is advisable to schedule a maintenance appointment with the 4S store as soon as possible. Below is more relevant information: 1. What is car maintenance: Car maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the vehicle, also known as car servicing. 2. Maintenance scope: Modern car maintenance mainly includes the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, and other maintenance areas. 3. Purpose of car maintenance: To keep the car clean and tidy, maintain normal technical conditions, eliminate potential hazards, prevent faults, slow down the deterioration process, and extend the service life.

Can a tire upgrade from 195 to 205 width pass the annual inspection?

Tire upgrade from 195 to 205 width can pass the annual inspection. Below are relevant introductions about vehicle modifications: 1. Color: Changing the vehicle body color. According to regulations, the body color change cannot exceed 3 types (if the emblem color change is also included), and the body color change cannot exceed 30%, and the same color as engineering rescue vehicles cannot be used. 2. Installation of front and rear anti-collision devices: Small and micro passenger vehicles installing front and rear anti-collision devices can be exempted from change registration, but be careful not to have behaviors that block the license plate or disguise blocking the license plate, which also falls within the scope of legal modifications. 3. Interior modifications: Generally, interior modifications that do not affect the safety structure of the vehicle do not require approval, such as replacing the entire interior with leather, adding sports kits, etc., installing roof racks, modifying the front grille, adding side steps, replacing wheel hubs.

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