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Can the noise issue of Huansu S3L be resolved?

1 Answers
McAdalynn
07/30/25 3:14am
The noise issue of Huansu S3L can be resolved, mainly through two methods as detailed below: 1. Full vehicle sound insulation: The original sound insulation cotton can be thickened, or a full vehicle sound insulation treatment can be performed to effectively address the noise problem during high-speed driving. 2. Gear replacement: A smaller gear can be installed to solve the excessive noise issue of Huansu S3L at high speeds. For example, when the Huansu S3L reaches 100km/h on the highway, the engine operates at 3000 RPM. After replacing the 5th gear with a smaller one, the car only needs 2500 RPM to reach 100km/h, thereby reducing the noise.
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Is It Normal for a Car's Exhaust Pipe to Emit Large Amounts of Water?

It is normal for a car's exhaust pipe to emit large amounts of water, and the reasons are: 1. When gasoline burns completely, it produces water and carbon dioxide. When the temperature is below 100 degrees, water vapor condenses into water. In colder weather, the white smoke from the exhaust pipe is water vapor, and the condensed water droplets accumulate to form water; 2. Water dripping from the car's exhaust pipe indicates that the engine is working properly, and the presence of mist in the exhaust gas suggests the engine is in excellent condition. For the exhaust pipe to drip water, three conditions must be met: 1. The correct air-fuel mixture ratio: indicating the fuel supply system is in good condition; 2. Normal cylinder pressure in the engine: meaning no internal wear in the engine block, and components like cylinder liners and seals are functioning properly; 3. Low exhaust pipe temperature: the heat generated in the engine is concentrated in the cylinders, with little heat escaping into the exhaust pipe, resulting in high engine horsepower output. If the exhaust pipe temperature is high, the vapor will not condense into water droplets.
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How to adjust the rearview mirror of Volkswagen Passat?

Volkswagen Passat rearview mirror adjustment method: On the left front door trim, there is a round button marked with "L" and "R" next to it. Rotate the mark on the button to L to adjust the position of the left rearview mirror, and conversely, rotate it to R to adjust the position of the right rearview mirror. You can move the button up, down, left, and right to achieve adjustment. The Volkswagen Passat adopts the family design language, with a multi-horizontal chrome-plated front grille, which not only further enhances the recognition of the front face but also makes the overall shape much younger and more fashionable. In terms of body size, the Volkswagen Passat has a length, width, and height of 4933mm, 1836mm, and 1469mm respectively, with a wheelbase of 2871mm.
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How to Adjust Accord Rearview Mirrors?

Here are the steps to adjust the Accord rearview mirrors: 1. First, observe whether the angle of the vehicle's rearview mirrors is appropriate. 2. The rearview mirror adjustment switch is located near the door handle. 3. The left button adjusts the power folding of the rearview mirror. 4. Push the selector switch to the left to adjust the left rearview mirror's rotation. 5. Push the selector switch to the right to adjust the right rearview mirror's rotation. 6. Press the directional buttons to adjust the corresponding angle of the rearview mirror. Additional Information: Here is an introduction to the functions of car rearview mirrors: 1. For the convenience of the driver and to prevent traffic safety accidents and ensure personal safety, rearview mirrors must be installed on the car, and all rearview mirrors must be adjustable. The driver can directly obtain external information about the rear, side, and lower parts of the car while seated in the driver's seat. 2. Rearview mirrors have a field of view issue, which refers to the range that the mirror can reflect. The industry has proposed three elements of the field of view: the distance between the driver's eyes and the rearview mirror, the size of the rearview mirror, and the radius of curvature of the mirror. 3. When the distance and size of the rearview mirror are the same, the smaller the radius of curvature of the mirror, the larger the field of view reflected by the mirror. When the radius of curvature of the mirror is the same, the larger the size of the mirror, the larger the field of view reflected by the mirror.
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Method to turn on Bluetooth in a Passat car: 1. Turn on the Bluetooth on your phone and set it to be discoverable by nearby devices; 2. Open the settings in the Passat car and set it to be discoverable by nearby devices; 3. Search and pair successfully with your phone. The Passat is a car under the Volkswagen brand, with body dimensions of 4933mm in length, 1836mm in width, and 1469mm in height, a wheelbase of 2871mm, a body structure of a 4-door 5-seater sedan, a 7-speed dual-clutch transmission, and a 1.4T 150 horsepower L4 engine with a maximum horsepower of 150.
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