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What is a Passive Wheel?

1 Answers
McGiselle
07/30/25 1:53am
Passive wheels are non-powered wheels that solely serve a supportive function, and their rotation is driven by other powered wheels. Below is a relevant introduction: 1. Driving Function: The driving wheels of a car are connected to the drive axle and provide the power for forward motion. The power from the car's engine is transmitted through the gearbox to the drive axle, which then transfers it to the driving wheels. Therefore, the drive axle not only supports the car's weight but also provides the power for driving. 2. Support Function: When the car moves forward, the front two wheels act as the driving wheels, while the rear two wheels serve as the passive wheels. Passive wheels only provide support and do not contribute to the driving power.
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Why is there a noise when shifting gears in an automatic transmission?

Automatic transmission gear shifting noise reasons are as follows: 1. Not stopping completely when shifting: When parking, the car should be completely stopped before shifting the gear lever from D to P. If the car is not completely stopped when shifting to P, the P lock hook inside the transmission will hit the gear and make a clunking sound. This operation will cause the lock hook to wear or even break, and in severe cases, it can lead to transmission failure. 2. Incorrect operation sequence when parking on a slope: For automatic transmission models, the P gear relies on the lock hook to hold the gear in place to achieve stability. When parking on a slope, the handbrake should be applied first before shifting to P, so that the handbrake bears the vehicle's sliding force. If P is engaged first and then the handbrake is applied, the vehicle's sliding force will be entirely borne by the P lock hook, keeping the lock hook and gear tight, which will cause a noise when shifting from P to other gears.
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How Often Should the Mondeo Battery Be Replaced?

Mondeo batteries typically need to be replaced every 5 years. A car battery, also known as a storage battery, is a type of battery that works by converting chemical energy into electrical energy. Car batteries can be categorized into conventional batteries, dry-charged batteries, and maintenance-free batteries. Generally, when people refer to a car battery, they mean a lead-acid battery. The Mondeo is a mid-size sedan under Changan Ford, with dimensions of 4873mm in length, 1852mm in width, and 1470mm in height, and a wheelbase of 2850mm. It is equipped with a 1.5TL4 engine, features a 4-door, 5-seat sedan body type, a 6-speed automatic transmission, and a turbocharged intake system.
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How Many Days After Registration Can You Take the Motorcycle Test?

Generally, you can prepare for the relevant test about one week after registration. Below is an introduction to the motorcycle driving license: 1. Introduction to the motorcycle driving license: Motorcycle licenses are divided into categories D, E, and F. Motorcycles come in two-wheeled and three-wheeled types. In addition to directly applying for a beginner's two-wheeled motorcycle license or a beginner's three-wheeled motorcycle license, you can also apply for an additional two-wheeled motorcycle license or an additional three-wheeled motorcycle license. The learning process and fees are the same for both beginner and additional licenses. 2. Specific content of the motorcycle driving license test: Theory Test (Subject 1), taken about one week after registration. The motorcycle Subject 1 test usually requires answering 50 questions, with 2 points per question, and a test duration of 45 minutes. If you fail, you can schedule a retake. Practical Test (Subject 2), which is essentially a motorcycle slalom test. Road Test (Subject 4), which mainly includes various road signs, etc. Taking the oath is the final step to obtaining the driving license.
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Reasons for High Low Pressure in Car AC When High Pressure is Normal

When the car air conditioning exhibits low low pressure and normal high pressure, it is highly likely caused by a malfunction or damage to the AC expansion valve. The solution for high low pressure and normal high pressure in car AC is quite simple: just remove the AC expansion valve and check if its working condition is normal. If it is indeed faulty or damaged, a direct replacement is sufficient. Below is extended information about car AC pressures: 1. Precautions: Since the expansion valve of the car air conditioning system is located on the vehicle's firewall side, disassembly is quite inconvenient. Additionally, temporary recovery of the AC refrigerant is required, making the task labor-intensive. Therefore, we recommend visiting a 4S shop for this service. Attempting to do it yourself may lead to the opposite effect. 2. Pressure: Under normal conditions, when the compressor operates at 1500-2000 rpm, the high pressure should be around 1.5-2.0 MPa, while the low pressure should be around 0.15-0.35 MPa.
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How to Drive Through Flooded Roads Safely?

When driving through flooded roads, you should engage a high gear and pass through quickly. Below are relevant introductions about vehicle wading: 1. Introduction to Vehicle Wading: Vehicle wading, as the name suggests, refers to driving a vehicle on low-lying, waterlogged roads, passing through water. It generally occurs during rainy weather in low-lying areas where poor drainage leads to water accumulation on the road. 2. Precautions for Vehicle Wading: Before wading, observe the road conditions carefully. While in the water, maintain steady power. After wading, check the electrical system. If a car stalls in the water, the main reason is usually water entering the exhaust pipe, though in some cases, electrical damage may also occur. Once a car stalls, do not attempt to restart it, as this may cause water to enter the intake manifold and damage the valves, potentially leading to severe engine damage. Instead, the car should be towed to a 4S shop immediately for professional handling.
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Which Bentley model features a hood ornament?

The new generation Bentley Flying Spur comes with a hood ornament. Here are the relevant details: 1. Flying Spur Powertrain: The new Flying Spur still utilizes a 6.0L W12 twin-turbo engine producing 635 horsepower and 900 Nm of torque, paired with an 8-speed dual-clutch transmission. This enables the 2.5-ton behemoth to accelerate from 0-100km/h in just 3.8 seconds. The Flying Spur employs all-wheel drive technology, with computer-controlled automatic power distribution between wheels, all-wheel steering, turning brake, and roll control, making this 5.3-meter-long body agile and nimble. 2. Interior: Features a reversible 12.3-inch touchscreen and three retro-style dials, inheriting the Flying Spur's tradition of combining classic elements with modern technology. The rear seats remain a focal point, with the new model's wheelbase extended by 128mm to provide more spacious rear accommodations. The impressive audio system delivers a top-tier auditory experience, offering a 1500W Bang & Olufsen sound system with 16 speakers.
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