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What is the Function of Transmission Fluid?

2 Answers

DiMariana

07/29/25 2:15pm

Transmission fluid serves the following purposes: 1. It is a lubricant that maintains the cleanliness of the gear system and prolongs the lifespan of transmission components; 2. It provides anti-freezing properties, ensuring effective lubrication even in low temperatures; 3. It minimizes fluid loss under harsh operating conditions. Transmission fluid is generally suitable for automatic transmissions available in the market. However, each automatic transmission design has unique technical requirements. Even the same model of transmission configured in different vehicle models may vary in torque, weight, speed, and structure. Therefore, manufacturers specify their own dedicated transmission fluid.

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VonKimberly

08/13/25 6:26am

I've been driving for almost 20 years, and I've personally experienced the crucial role of transmission fluid. It's the lifeblood of the transmission, primarily functioning to lubricate internal gears and bearings, reducing friction and preventing premature wear. It also aids in cooling, as the transmission generates significant heat during operation—the fluid absorbs this heat to avoid overheating damage. In automatic transmissions, it additionally serves a hydraulic function, transmitting pressure to control the shifting mechanisms, ensuring smooth gear changes without jerking. If the fluid deteriorates or isn't changed, the car may shake, slip, or in severe cases, the transmission could fail entirely, with repairs costing thousands. That's why regular changes are vital—recommended every 40,000 to 60,000 kilometers, along with checking the fluid's color: clear and transparent is good, but if it's dark or has a burnt smell, change it immediately. Also worth noting, in high temperatures or heavy traffic conditions, the fluid degrades faster, so choosing the right type can extend its lifespan.

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What to Pay Attention to When Selling a Used Car?

First, ensure all the owner's documents are complete. Here are some relevant introductions about used cars: Introduction to the Residual Value Rate of Used Cars: When buying or selling a used car, it's essential to understand a crucial indicator: the residual value rate of the used car. Simply put, the residual value rate refers to the vehicle's value retention. After several years of use, how much is the car still worth in the market? The higher the residual value rate, the more valuable the used car is. To understand a car's residual value rate, several indicators must be clear: whether the car's market share is sufficiently large, whether the color is mainstream, the brand of the vehicle, and the convenience of later maintenance, among others. Precautions When Selling a Used Car: Make sure to sell the car before the insurance expires; otherwise, you'll need to add an insurance cost when trading the used car. Secondly, pay attention to the replacement cycle of spare parts.

Is it acceptable to place the temporary license plate in the car without attaching it?

Temporary license plates can be placed in the car without being attached. Here is an introduction to the relevant knowledge about temporary license plates for new cars: Validity period of temporary license plates: The expiration time of a temporary license plate is 15 days. If you are caught by traffic police without a formal license plate or with an expired temporary license plate, you will be fined (50-200 yuan). A temporary license plate is a paper motor vehicle license plate that allows the vehicle to temporarily drive on the road, also known as a temporary driving license plate. Required materials for application: Identity proof of the motor vehicle owner and agent, proof of origin of the motor vehicle, the whole vehicle factory certificate for domestically produced motor vehicles, import certificate for imported motor vehicles, and rubbing molds of the vehicle identification number (frame number) and engine number.

Should Car Window Tint Be Applied on the Inside or Outside?

Window tint should be applied on the inside of the car glass. Applying it on the inside makes it less prone to scratches and helps protect the occupants of the vehicle. Additionally, applying the tint on the inside extends its lifespan, as it is less exposed to external disturbances and weathering, ensuring a more secure adhesion without issues like peeling corners. Below are some relevant details: 1. Car window tint involves applying a thin film to the front and rear windshields, side windows, and sometimes the sunroof. This film, also known as solar film or explosion-proof insulation film, primarily blocks ultraviolet rays, reduces heat, and prevents injuries from sudden glass shattering. It also provides privacy through its one-way visibility feature. 2. If applied on the outside, the film would be exposed to weathering, leading to faster aging and reduced effectiveness in heat and explosion insulation. Therefore, car window tint is always applied on the inside.

Is the 7-seater Wuling Hongguang S eligible for the six-year exemption from inspection?

7-seater Wuling Hongguang S is not eligible for the six-year exemption from on-site inspection. The Wuling Hongguang S belongs to the microvan category. According to the relevant regulations on motor vehicle inspection, the scope of vehicles exempt from on-site inspection for six years includes small and micro passenger cars, excluding minivans, regardless of whether the vehicle is for commercial or non-commercial use. Below is an introduction to the Wuling Hongguang S: 1. Practicality: The Wuling Hongguang S is a practical family car, with the 'v' model for cargo and the 's' model for passengers. 2. Exterior: The Wuling Hongguang S is a crossover product independently developed by SAIC-GM-Wuling based on the Wuling Hongguang model, positioned between commercial and passenger vehicles. It features a streamlined exterior design and spacious interior.

What are the four major brands of Sinotruk?

Sinotruk's four major brands are HOWO, SITRAK, HONHAN, and STR. Here is a related introduction about HOWO: Introduction: HOWO is a vehicle model produced by Sinotruk Jinan Truck Co., Ltd., a subsidiary of Sinotruk Group, and is one of the main products of Sinotruk. Maintenance: Maintain the oil level of lubricating oil. Keep the oil level of lubricating oil and check it frequently during use. Check the oil levels of the wheel-side reducer and axle main reducer. Insufficient oil can cause premature wear of moving parts, and severe cases may lead to burning. However, more lubricating oil is not always better, as excessive lubricating oil can cause high temperatures and even lead to oil leakage. There are two plugs on the rear axle housing: a drain plug at the bottom of the gear housing and a fill plug near the upper part of the gear housing. The normal fluid level should always be maintained at the height of the fill plug.

How to Deal with Speeding by 10%?

Here are the penalties for motor vehicles exceeding the speed limit by 10%: 1. For speeding within 10% of the speed limit, no fine is imposed, but 3 points are deducted. 2. For speeding between 10% and 20% of the speed limit, a fine of 50 yuan is imposed, and 3 points are deducted. 3. For speeding between 20% and 50% of the speed limit, a fine of 200 yuan is imposed, and 3 points are deducted. 4. For speeding between 50% and 70% of the speed limit, a fine of 1000 yuan is imposed, 6 points are deducted, and the driver's license may be revoked. 5. For speeding over 70% of the speed limit, a fine of 2000 yuan is imposed, 6 points are deducted, and the driver's license may be revoked.

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