Why does the automatic transmission make noise when releasing the foot brake at startup?

What is the 0-100 km/h acceleration time of the Bentley Bentayga?

According to official data, the Audi A6 comes with two engine displacements: 3.0T and 2.0T. The 3.0T model accelerates from 0-100 km/h in 5.6 seconds, while the 2.0T model achieves it in 7.5-8.3 seconds. Factors affecting a vehicle's 0-100 km/h acceleration time are as follows: Torque: Torque, in simple terms, represents the strength of the engine. The greater the torque, the stronger the force pushing the vehicle, resulting in faster acceleration. For example, the Audi R8 has a maximum torque of 570 Nm and accelerates from 0-100 km/h in 3.1 seconds. The Audi A6 3.0T has a torque of 500 Nm and achieves 0-100 km/h in 5.6 seconds. Transmission efficiency: The transmission acts as a medium for power delivery, inevitably involving power loss. Higher transmission efficiency leads to better acceleration performance. Generally, transmission efficiency ranks as follows: manual transmission > dry dual-clutch transmission > wet dual-clutch transmission > AT transmission > CVT transmission. The Audi A6 is equipped with a 7-speed wet dual-clutch transmission. Power-to-weight ratio: The relationship between horsepower and vehicle weight is called the power-to-weight ratio (unit: Hp/T). A higher power-to-weight ratio results in faster acceleration. For instance, the Audi R8 has a power-to-weight ratio of 373 Hp/T and accelerates from 0-100 km/h in 3.1 seconds. The Audi A6 has a power-to-weight ratio of 171 Hp/T and achieves 0-100 km/h in 5.6 seconds.

11

5

Share

How many liters of engine oil does the Arrizo 5 use?

This vehicle's engine requires approximately 4L of oil, usually slightly less than 4 liters. Below is relevant information about the Arrizo 5: 1. Body dimensions: The Arrizo 5 measures 4572mm in length, 1825mm in width, 1482mm in height, with a wheelbase of 2670mm. Through optimized design of front and rear seating space, it provides more comfortable headroom and legroom. The vehicle features up to 24 storage compartments, significantly enhancing driving and riding convenience. 2. Powertrain: The Arrizo 5 is equipped with a 1.5L naturally aspirated engine delivering maximum power of 116 horsepower and maximum torque of 141N·m. It is paired with either a 5-speed manual transmission or 7-speed CVT. The manual transmission features gear shift reminder function, while the CVT offers Economy (ECO) and Sport driving modes for enriched driving experience. 3. Noise control: The Arrizo 5 employs multiple vehicle noise insulation designs and optimized acoustic packages, achieving an idle cabin noise level of just 39.7 decibels.

7

1

Share

What Causes the Zizzing Sound While Driving?

If you hear a zizzing sound after starting the car, it is highly likely to be an issue with the engine belt. Here is some relevant information: 1. Timing Belt: The timing belt in a car is responsible for the opening timing of the valves. If the valve opening is disrupted, it can lead to 'cylinder collision,' causing the engine to fail immediately. Once the timing belt breaks, the engine will be instantly ruined, so it is essential to replace the timing belt regularly. 2. Maintenance and Replacement: The replacement interval for the water pump belt is generally around 50,000 kilometers. If there is a squeaking sound during startup or acceleration, it is often due to insufficient tension in the water pump belt. If the belt is not severely aged, the issue can be resolved by adjusting the tension, and the belt can continue to be used. Even if the water pump belt has exceeded the manufacturer's recommended mileage, it can still be used if it is not severely aged, but replacement may be necessary depending on the condition.

11

0

Share

Can C2 be changed to C1?

C2 can be changed to C1. The conditions for changing a C2 driver's license to C1: You need to hold a C2 driver's license, provide your ID card and a health certificate, and apply at the vehicle management office that issued the C2 license. You must undergo study and pass the exams. After passing, you can exchange for a C1 driver's license. If you already hold a motor vehicle driver's license and wish to add additional vehicle categories, you must not have accumulated 12 penalty points in the current scoring cycle or the most recent scoring cycle before applying. C1 driver's license exam: The exam includes four subjects: traffic regulations and related knowledge, field driving, road driving, and safe and civilized driving knowledge. Passing standards: Traffic regulations and related knowledge (Subject 1) — written test, full score is 100, passing score is 90 or above. Field driving (Subject 2) — on-site, actual vehicle. Minimum passing score is 80, below 80 is a fail. Road driving (Subject 3) — on-road or simulated field, actual vehicle. Full score is 100, must achieve 90 or above to pass. Safe and civilized driving knowledge — written test, questions mainly in the form of case studies, images, animations, etc. Question types include true/false, single-choice, and multiple-choice, totaling 50 questions. Full score is 100, passing score is 90.

20

3

Share

What are the symptoms of faulty spark plugs?

Symptoms of faulty spark plugs include: Difficulty starting the engine, both during cold and warm starts, often requiring multiple attempts. Engine shaking or vibration while driving. Reduced power output, noticeably weaker performance than usual. Increased fuel consumption. Engine stalling. Failed emissions tests. Common causes and diagnosis of spark plug failures: Several factors can prevent spark plugs from functioning properly: Incorrect spark plug gap adjustment. A gap that's too small limits the contact area between the spark and fuel mixture while suppressing flame kernel growth, resulting in weak sparks. A gap that's too large may exceed the ignition system's voltage capacity. Cracked spark plug insulator. High-voltage current leaks through cracks, preventing proper sparking. Electrode carbon buildup causes current leakage around the center electrode instead of jumping to the side electrode. Excessive carbon can short-circuit the plug and damage the insulator. Electrode damage. Prolonged electrical erosion or chemical corrosion from combustion gases can break electrodes. Low insulation resistance reduces spark intensity or prevents sparking entirely. Short circuits in high-voltage wires. Leaks between the ignition coil and distributor prevent engine starting, while leaks between distributor and spark plugs affect individual cylinders. Burnt contact points in the distributor cause complete spark plug failure. Spark plug replacement procedure: Open the hood, remove plastic engine covers, and detach ignition wires (marking their positions). Remove old spark plugs using a socket wrench, cleaning any debris from the area. Hand-tighten new spark plugs before final tightening with the wrench. Reattach ignition wires in firing order and replace covers. Replacement interval: Typically 40,000-60,000 km under normal conditions, but varies by manufacturer and engine type (consult owner's manual).

2

5

Share

How to Unbind ETC?

Bring the relevant documents to the issuing bank where you need to unbind the bank card. The documents include a valid ID card, vehicle license, and the bound bank card. Inform the bank manager of the business you need to handle, then take a number and wait in line. After completing the relevant procedures, wait for the staff to remove the device.

10

4

Share

Why does the automatic transmission make noise when releasing the foot brake at startup?

What is the 0-100 km/h acceleration time of the Bentley Bentayga?

How many liters of engine oil does the Arrizo 5 use?

What Causes the Zizzing Sound While Driving?

Can C2 be changed to C1?

What are the symptoms of faulty spark plugs?

How to Unbind ETC?

Will Fuel Consumption Decrease After the First Maintenance of a New Car?

What to Do When Driving License Points Are Reduced to Zero?

How to Turn Off ECO Mode in Honda Fit?

How to Prevent the Rear of the Car from Crossing the Line When Reversing into the Garage?