Will an automatic transmission car move without pressing the accelerator when in gear?

What is the Function of the Cylinder Block?

About the function of the cylinder block, the cylinder block is the main body of the engine, connecting the cylinders and the crankcase into one unit. It serves as the supporting framework for installing pistons, crankshafts, and other components and accessories. Here is additional information: 1. Performance: It must have sufficient strength and stiffness with minimal deformation to ensure the correct positioning of moving parts, normal operation, and low vibration and noise. It should also have good cooling performance, with cooling water jackets around the cylinder bores to allow cooling water to carry away heat. Additionally, it must be wear-resistant to ensure the cylinder block has a long service life. 2. Composition: The upper part of the cylinder block consists of parallel cylinder bores, most of which are now fitted with cylinder liners. The lower part of the cylinder block is the crankcase, which houses the crankshaft and can also accommodate various accessories such as generators and engine mounts externally. Most cylinder blocks are cast from cast iron or aluminum alloy. Aluminum alloy blocks are more expensive but offer advantages like lighter weight and better cooling performance, making them increasingly popular.

12

3

Share

What Are Common Vehicle Malfunctions and Their Repairs?

Here is an introduction to common vehicle malfunctions and their repairs: Dead Battery: A dead battery can result from two causes—either the battery has reached the end of its lifespan or has malfunctioned, or the headlights were left on, causing a power drain. You can start the vehicle using one of the following three methods: towing or pulling by another vehicle; borrowing power from another vehicle; or using a downhill slope to start the engine. To jump-start the battery using jumper cables, follow these steps: Prepare two relatively thick wires (usually red and black if purchased from the market). Connect one end of the red wire to the positive terminal of the charged battery and the other end to the positive terminal of the dead battery. Connect one end of the black wire to the negative terminal of the dead battery and the other end to a metal part of the charged vehicle. Start the charged vehicle first to help the dead vehicle start. Note: The donor vehicle should be running. Connect the positive terminal first, then the negative terminal. After starting, disconnect the negative terminal first, then the positive terminal. This prevents accidental contact between the positive terminal and the vehicle body, which could cause a short circuit. Low Oil Warning: If the oil warning light (red) turns on and it’s not due to a sensor malfunction, it usually means the engine is low on oil. Continuing to drive with insufficient oil can lead to severe damage, such as pistons breaking the cylinder block, causing sudden engine shutdown. This is not only dangerous but also results in high repair costs. If a fuel tank leak occurs due to accidental impact and no repair shop is nearby, you can chew gum and press it onto the leak. Once dried, the gum can temporarily seal the leak, serving as an emergency fix. Tire Blowout: A tire blowout is an unexpected and dangerous situation while driving at high speeds. If a blowout occurs, stay calm, avoid sudden steering movements, and firmly grip the steering wheel to maintain control while gradually slowing down. After safely stopping, set up a warning triangle behind the vehicle to prevent secondary accidents, then replace the tire with the spare.

18

0

Share

What are the pros and cons of 21-inch wheels for the Cayenne?

Here are the detailed pros and cons of 21-inch wheels for the Cayenne: 1. Advantages: (1) Stronger load-bearing capacity: Small wheels usually use steel materials to save costs, but large wheels are made of aluminum alloy, especially those produced by forging processes. The load-bearing capacity of such wheels is five times that of ordinary steel wheels. (2) Improved cornering performance: After wheel modification, the contact area increases, enhancing the vehicle's stability during cornering and significantly improving its cornering performance. 2. Disadvantages: (1) Reduced vehicle performance: Large-size wheels affect acceleration and braking performance. As the wheel size increases, the width also increases accordingly. Larger and wider wheels naturally have greater weight, requiring more power consumption to drive them, which impacts acceleration performance. (2) Increased fuel consumption: Large wheels have an advantage in diameter, and the corresponding tread width is also larger. The benefit is that the increased contact area between the wheels and the road surface enhances grip, but the trade-off is increased friction, leading to a certain degree of higher fuel consumption.

3

1

Share

How high can high heels be when driving?

According to traffic safety regulations, it is prohibited to drive while wearing slippers or high heels with heels of 4cm or more, barefoot, or talking on the phone while holding it. Violators will be penalized with 2 demerit points and a certain fine. High heels with 3cm heels are technically allowed for driving, but wearing such shoes may be considered as skirting the edge of the regulations. For safety reasons, it is recommended to wear flat shoes or sneakers when driving. High heels can easily get stuck: Because the heel is too high (over 4cm), when the driver tries to step on the brake or accelerator, the heel can easily get stuck in the gap between the pedal (brake pedal) and the car floor, making it difficult to press the pedal properly and seriously affecting normal driving. When switching between the accelerator and brake pedals, the heel can easily get stuck during the transition. Improper stepping: Wearing shoes with overly thick soles, such as platform shoes or height-increasing shoes, weakens the foot's perception of pedal depth, leading to excessive acceleration or deceleration.

2

5

Share

What is the size of the Corolla wiper blades?

Corolla wiper blades come in a set of 26 inches (65CM) + 14 inches (35CM). Below is relevant information about wiper blades: 1. Power source: The wiper blades are powered by an electric motor, which serves as the core of the entire wiper system. The quality requirements for the motor are quite high. It uses a DC permanent magnet motor, and the wiper motor installed on the front windshield is typically integrated with the worm gear mechanical part. The worm gear mechanism functions to reduce speed and increase torque, with its output shaft driving a four-bar linkage that converts continuous rotational motion into a left-right oscillating movement. 2. Operation method: The wiper motor adopts a 3-brush structure to facilitate speed variation. The intermittent timing is controlled by a relay, utilizing the motor's return switch contacts and the relay's RC charging-discharging function to enable the wiper blades to sweep at regular intervals. The wiper blade rubber is the tool that directly removes rainwater and dirt from the glass.

11

3

Share

What is the normal tire pressure range for the Haval H6?

The normal tire pressure range for the Haval H6 is 2.4-2.5bar. According to the international GBT2978-2008 standard requirements, the tire pressure for different tires is as follows: Standard tires: 2.4-2.5bar; Reinforced tires: 2.8-2.9bar; Maximum pressure: Should not exceed 3.5bar. In summer, the tire pressure should generally follow the lower limit of the standard tire pressure. For example, the lower limit for standard tires is 2.4bar. If the car is often parked outdoors, the tire pressure can generally be about 0.1bar lower than the standard to avoid tire blowouts due to high temperatures. In winter, the tire pressure should follow the standard tire pressure principle, with an appropriate increase of about 0.2bar. Low tire pressure increases the movement of various parts of the tire, causing excessive rolling and abnormal heating. It also reduces the function of the cords and rubber, leading to delamination or cord breakage, and excessive friction between the tire and the rim, causing damage to the bead area and abnormal wear. High tire pressure accelerates the wear of the tread center pattern, reducing tire lifespan. It also increases vehicle vibration, indirectly affecting the lifespan of other components.

15

3

Share

Will an automatic transmission car move without pressing the accelerator when in gear?

What is the Function of the Cylinder Block?

What Are Common Vehicle Malfunctions and Their Repairs?

What are the pros and cons of 21-inch wheels for the Cayenne?

How high can high heels be when driving?

What is the size of the Corolla wiper blades?

What is the normal tire pressure range for the Haval H6?

Are Four-Wheel Drive Vehicles Safer Than Two-Wheel Drive Vehicles?

When driving someone else's car, who gets the demerit points - the owner or the driver?

How often should the timing chain of the Peugeot 1.6T engine be replaced?

What is the fuel consumption of the Cayenne?