How to Maintain an Electric Vehicle?

Is Transmission Oil Leakage Serious for the Car?

Transmission (gearbox) oil leakage is a very serious automotive transmission malfunction that must be taken seriously. The transmission is the most structurally complex and expensive component to repair in a car, second only to the engine. Generally, automatic transmission oil leakage is mostly caused by aging internal seals, a damaged transmission oil pan, or loose drain plugs. Below are specific introductions to different types of transmissions: 1. CVT: CVT stands for Continuously Variable Transmission. Its advantages include fuel efficiency, low maintenance costs, and smooth operation, but it has weaker acceleration feel and limited capacity for high-torque engines. 2. AT: AT stands for Automatic Transmission. Its advantages are ease of operation and relaxed driving, as the automatic transmission shifts to the most suitable gear based on vehicle speed and feedback from the onboard computer. However, it has higher maintenance costs and fuel consumption. 3. DCT/DSG: DCT and DSG are both Dual-Clutch Transmissions. They offer fast shifting, high efficiency, and low fuel consumption. However, they require high production precision, resulting in higher costs, and provide less comfort.

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What to Do If a Car Battery Leaks?

Inspection and handling of car battery leakage: 1. Visual inspection: First conduct a visual inspection to locate the acid leakage area. Remove the cover plate to check for traces of acid leakage around the vent caps, then open the vent caps to observe if there is any flowing electrolyte inside the battery. 2. Air tightness test: Perform an air tightness test by placing the battery in water and inflating it under pressure, observing whether bubbles emerge from the battery. The presence of bubbles indicates acid leakage. 3. Charging observation: During the charging process, observe if any flowing electrolyte is generated. If found, it indicates a manufacturing defect. Any flowing electrolyte detected during charging should be completely drained.

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Should the clutch be depressed when starting a manual transmission car?

Starting a manual transmission car requires depressing both the clutch and the brake. Detailed explanations are as follows: 1. Benefits of depressing the clutch when starting: (1) Depressing the clutch pedal before starting the vehicle prevents the car from suddenly lurching forward if the gear is not in neutral, avoiding potential hazards. (2) Completely disconnects the load from the engine output, allowing the starter motor to operate with minimal load, which helps prolong its lifespan. 2. Additional information: Benefits of depressing the brake when starting: Prevents accidents caused by the car surging forward if you forget to depress the clutch when starting in gear. Depressing the brake when starting in gear can instantly restrain the engine and prevent accidents.

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What Causes the Throttle to Be Hard to Press?

There are several reasons why the throttle may be hard to press: 1. Severe carbon buildup in the engine's throttle body. 2. The throttle cable is broken. 3. The vehicle's throttle pedal is obstructed by floor mats or other objects. Before driving, it is essential to inspect the tires, brake pedal, throttle pedal, and clutch pedal to avoid malfunctions during operation. The reasons why a scooter frequently slows down and stalls are as follows: 1. Clogged fuel filter screen: Insufficient fuel supply when accelerating leads to stalling. After stopping, gasoline flows back into the float chamber, allowing the engine to restart. However, when accelerating again, the fuel level in the carburetor drops, and the main jet cannot draw fuel, causing another stall. 2. Clogged main jet in the carburetor: This may be due to dirty gasoline or fuel degradation from prolonged inactivity, forming deposits that block the main jet. 3. Engine overheating causing slight cylinder expansion: If the cylinder is expanded, it is necessary to visit a repair shop to replace the cylinder block, piston, and piston rings.

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What are the Principles and Structure of a Diesel Engine?

1. Working Principle of Diesel Engine: Most commonly used are four-cylinder, six-cylinder, and eight-cylinder engines. The working principle of a diesel engine is to compress the gas itself, rely on combustion to generate power, and drive the flywheel to rotate, storing energy for the next cycle of work. It produces a significant amount of exhaust pollution, which is why cars have switched to gasoline or even new energy sources to replace diesel. 2. Structure of Diesel Engine: The structure of a diesel engine can be divided into: the engine block, two major mechanisms, and four major systems. The engine block forms the framework of the diesel engine and consists of the cylinder block and the crankcase. The two major mechanisms are the crankshaft connecting rod mechanism and the valve train mechanism. The four major systems of a diesel engine are the fuel supply system, lubrication system, cooling system, and starting system. A diesel engine is a type of compression-ignition internal combustion engine.

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What are the effects of blocking the EGR in a diesel vehicle?

EGR long open state, at this time the vehicle will exhibit black smoke emission, lack of acceleration power, and increased fuel consumption. In this case, it is necessary to replace or clean the EGR valve. Below are specific details about the EGR valve: 1. Overview: The EGR valve is a mechatronic product installed on diesel engines to control the amount of exhaust gas recirculated back into the intake system. It is typically located on the right side of the intake manifold, near the throttle body, and is connected to the exhaust manifold via a short metal pipe. Its function is to regulate the amount of exhaust gas entering the intake manifold, allowing a certain amount of exhaust gas to flow into the intake manifold for recirculation. The EGR valve is a very important and critical component in the exhaust gas recirculation system. 2. Classification: EGR valves are divided into mechanical and electronic control types. 3. Working principle: The EGR valve guides the exhaust gas from engine combustion into the intake manifold to participate in combustion, thereby reducing the combustion chamber temperature, improving engine efficiency, enhancing the combustion environment, reducing engine load, effectively decreasing NOx emissions, reducing knocking, and extending the service life of various components.

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How to Maintain an Electric Vehicle?

Is Transmission Oil Leakage Serious for the Car?

What to Do If a Car Battery Leaks?

Should the clutch be depressed when starting a manual transmission car?

What Causes the Throttle to Be Hard to Press?

What are the Principles and Structure of a Diesel Engine?

What are the effects of blocking the EGR in a diesel vehicle?

What is the Safe Capacity and Actual Capacity of a Fuel Tank?

What Causes Poor Acceleration and Engine Choking When Using Gas in a Gas-Converted Vehicle?

What is the actual measured ground clearance of the Mondeo?

What Symptoms Will Occur If a Car is Filled with Fake Engine Oil?