What is the technical source of Great Wall's 9AT transmission?

What Do the Numbers on a Tire Mean?

Tire numbers represent the tire's width, aspect ratio, type, and applicable rim size. Taking the 225/60/R17 model as an example: 225 indicates the tire's section width is 225mm; 60 is the aspect ratio, meaning the tire's sidewall height is 60% of the section width; R stands for radial tire; 17 means the tire fits a 17-inch rim. Radial tires have steel belts in the tread area, allowing them to withstand higher internal pressure stress, with characteristics such as less tread deformation, better road grip, and stability, making them more suitable for high-speed driving. Most modern passenger cars use radial tires.

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What Causes Car Engine Idle Shaking That Disappears When Accelerating?

Idle resonance occurs when the engine's idle excitation frequency couples with the natural frequency of the steering system or vehicle body, causing vibration. When the throttle is fully engaged, the change in engine excitation frequency increases, avoiding the natural frequency points of certain parts of the transmission system or vehicle body, thus eliminating the vibration. If there's slight body sway or deviation while driving, it's usually tire-related. The primary cause could be improper wheel balance, requiring the owner to perform a four-wheel alignment and dynamic balancing promptly. If the vehicle doesn't deviate, perform tire dynamic balancing. Another more serious scenario might involve deformed steel rims, necessitating inspection at a professional repair shop. This condition typically occurs in vehicles with extended service life. Generally, when replacing new tires and rims, proper wheel balancing must be performed; otherwise, uneven weight distribution can easily cause steering wheel vibration. Body sway affects driving comfort and handling judgment. The third situation is caused by unbalanced or deformed drive shafts, usually occurring after multiple vehicle collisions with the chassis. Car vibration is also related to aging engine mounts (also called cushion pads). Engine mounts essentially serve as the engine's shock absorber system, responsible for absorbing minor vibrations during engine operation. If engine mounts are faulty, these vibrations transmit to the steering wheel and cabin, causing idle vibration.

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Can a slightly bulged tire still be used?

A slightly bulged tire can still be used, but only after the damaged area has been repaired through hot vulcanization. This method involves using high-temperature vulcanization to fuse raw rubber into the tire wound, which then cools and solidifies to seal and repair the damage. This repair process has high technical requirements, as the timing during high-temperature vulcanization must be precise; otherwise, it may cause varying degrees of impact. A tire bulge occurs when the cords inside the tire's inner ply break, allowing air to push outward from the broken cords. Without the support of these cords, the elastic rubber forms a bulge under the pressure of the air. In other words, a bulged tire indicates that the internal cords have already broken. If not repaired and continued to be used, it may lead to a tire blowout.

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Can I Take the Subject Two Test Immediately After Passing Subject One?

No, you cannot. According to Article 36 of the 'Regulations on the Application and Use of Motor Vehicle Driving Licenses,' the vehicle management office must arrange tests based on the scheduled test center and time. After passing the Subject One test, applicants can schedule the Subject Two or Subject Three road driving skills test. Students must first pass the Subject One test before they can schedule the Subject Two or Subject Three road driving skills test. For a Class C license, you can schedule the Subject Two test online 10 days after passing Subject One. For Class A or B licenses, you must wait 20 days after passing Subject One before scheduling the Subject Two test. Each Subject Two test appointment allows for two attempts. If the first attempt is unsuccessful, a free retake is available. If you do not take the retake or fail the retake, the test session ends, and you can reschedule the Subject Two test after 10 days. Within the validity period of the learning license, the number of Subject Two test appointments must not exceed five. If the fifth attempt is still unsuccessful, the results of other previously passed subjects will be invalidated. To continue learning for the driving license, you must restart from Subject One. Subject Two, also known as the small road test, is part of the motor vehicle driving license assessment. It refers to the field driving skills test. For small vehicles (C1), the test includes five mandatory items: reverse parking, parallel parking, hill start, right-angle turns, and curve driving (commonly known as S-turns). Some regions may include a sixth item, such as highway card collection. For C2 vehicles, the test includes four mandatory items: reverse parking, parallel parking, right-angle turns, and curve driving (S-turns). For large vehicles (A1, A2, A3, B1, B2), the test includes multiple items: pole test, hill start, parallel parking, single-plank bridge crossing, curve driving, right-angle turns, narrow gate crossing, continuous obstacle crossing, bumpy road driving, narrow road U-turns, and simulations for highways, continuous sharp mountain roads, tunnels, rain/fog conditions, slippery roads, and emergency handling. Subject Two Test Tips: After getting into the car, adjust the seat and mirrors to a comfortable position and ensure the seatbelt is fastened. For parallel parking, find the correct angle and turn the steering wheel quickly, reacting promptly to match the car's speed. For hill starts, remember to engage the handbrake, turn on the left indicator, and release the handbrake. Keep the clutch steady while gradually pressing the accelerator to avoid stalling or rolling back. For right-angle turns, identify the turning point quickly and react accordingly, matching the car's speed to avoid deviation. For curve driving (S-turns), reduce speed and proceed slowly. Those with good driving instincts may pass smoothly in one go. For reverse parking, control the speed, identify reference points, and make minor adjustments if deviations are observed in the mirrors. The driving test consists of three subjects: Subject One, Subject Two, and Subject Three. Subject One refers to the traffic safety laws, regulations, and related knowledge test. Subject Two refers to the field driving skills test. Subject Three is divided into two parts: road driving skills and safe driving knowledge. The safe driving knowledge test is conducted after Subject Three, often referred to as Subject Four. However, the official term (under the Ministry of Public Security Order No. 123) does not include 'Subject Four.'

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What is the method for replacing the air conditioning filter in a Camry?

To replace the air conditioning filter in a Camry, follow these steps: 1. Open the glove compartment on the front passenger side and look inside to locate a rectangular cover for the air conditioning filter. 2. Gently press the clips of the rectangular cover inward to remove it, revealing the air conditioning filter housing inside. 3. Remove the air conditioning filter housing to access and replace the filter. Taking the 2019 Camry as an example, its body dimensions are: length 4885mm, width 1840mm, height 1455mm, wheelbase 2825mm, fuel tank capacity 60 liters, and curb weight 1530kg.

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Where to Find the Car Key Model Number?

The car key model number can be found on the label of the spare key. The functions of a car key include: 1. Vehicle locator feature; 2. Closing windows after engine shutdown; 3. Window opening function; 4. Trunk opening capability; 5. Driver-side door-only unlocking function. Car key maintenance methods are: 1. Avoid storing with metal objects; 2. Do not keep spare keys inside the vehicle; 3. Keep smart keys away from electronic devices; 4. Avoid exposing keys to high temperatures or liquids. The battery replacement procedure is: 1. Remove the mechanical key; 2. Use a hard metal piece to twist open the key along the groove; 3. Replace the old battery with a new one.

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What is the technical source of Great Wall's 9AT transmission?

What Do the Numbers on a Tire Mean?

What Causes Car Engine Idle Shaking That Disappears When Accelerating?

Can a slightly bulged tire still be used?

Can I Take the Subject Two Test Immediately After Passing Subject One?

What is the method for replacing the air conditioning filter in a Camry?

Where to Find the Car Key Model Number?

What are the consequences of not paying compulsory traffic insurance for one year?

What does a cloned license plate vehicle mean?

Can Spark Plugs Cause Increased Fuel Consumption?

Can a child be held in the front passenger seat?