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What Causes Loud Friction Noise from Newly Replaced Wiper Blades?

1 Answers
JohnRose
07/29/25 4:38pm
If there are issues with incomplete cleaning and unusual noises after replacing the wiper blades, it is likely due to a dirty windshield. Below is an introduction to wiper-related knowledge: 1. Function: Wipers, also known as windshield wipers, are devices used to remove raindrops and dust from the vehicle's windshield, improving the driver's visibility and enhancing driving safety. 2. Core Component: The power source of the wiper comes from the motor, which is the core of the entire wiper system. The quality requirements for the wiper motor are quite high. It uses a DC permanent magnet motor, and the wiper motor installed on the front windshield is usually integrated with the worm gear mechanism. The worm gear mechanism serves to reduce speed and increase torque, with its output shaft driving a four-bar linkage mechanism that converts continuous rotational motion into a left-right oscillating motion.
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What are the differences between the CFMOTO 250SR Track Edition and the High-end Edition?

The differences between the CFMOTO 250SR Track Edition and the High-end Edition are: 1. Different configurations: The CFMOTO 250SR Track Edition is equipped with CBS and a standard digital instrument panel; the High-end Edition features ABS and a TFT instrument panel. 2. Different clutches: The CFMOTO 250SR Track Edition has a standard clutch; the High-end Edition comes with a slipper clutch. 3. Different braking systems: The CFMOTO 250SR Track Edition uses a CBS linked braking system with a front single-direction three-piston caliper; the High-end Edition is equipped with ABS and a radial caliper. Additional information: A motorcycle is a two- or three-wheeled vehicle powered by a gasoline engine and steered by handlebars to control the front wheel. It is lightweight, flexible, and fast, widely used for patrol and passenger or cargo transportation.
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Is there no fee for Subject Four?

Subject Four does not require an additional fee. This is because Subject Four is merely a sub-item of Subject Three, and the fee paid for Subject Three already includes the cost of Subject Four. Below are relevant details about the Subject Four exam: 1. Scope: Depending on the type of driver's license being tested, 50 questions are randomly selected in proportion from the corresponding Subject Four question bank. For small vehicle licenses, questions are drawn from a pool of 1,235, while for large vehicle licenses, questions are also drawn from a pool of 1,235. Each question is worth 2 points. 2. Time: The exam duration is 45 minutes. If 12 points (6 questions) are answered incorrectly during the test, the exam will be terminated. 3. Question Types: The exam includes true/false questions (questions 1-22), single-choice questions (questions 23-45), and multiple-choice questions (questions 46-50). 4. Content: Exam questions consist of image-based questions, scenario recognition questions, and text-based questions.
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What Are the Reasons for a Car Failing to Start?

There are many reasons that can cause a vehicle to fail to start, and it is recommended to troubleshoot the issue promptly. Below is a detailed analysis of the specific reasons for a car failing to start: 1. Battery Discharge: When the voltage during startup is lower than the minimum operating voltage required by the car's computer, the engine computer fails to function, preventing the car from starting. In this case, the battery should be recharged or replaced. 2. Spark Plug Failure to Ignite: Spark plugs are prone to damage, and issues such as short circuits in high-voltage lines can prevent them from igniting. Additionally, low-quality spark plugs can also cause startup failures. It is recommended to replace the spark plugs in such situations. 3. Starting Circuit Malfunction: If there is only a slight 'click' sound during startup with no further response, this is usually due to a stuck starter relay. Pressing the tail of the solenoid to force it forward can reconnect the starting circuit, allowing the engine to start. 4. Use of Low-Quality Engine Oil: During cold starts, factors such as cylinder pressure, engine speed, and temperature can make it difficult for low-quality engine oil to ignite, preventing the engine from starting. It is recommended to use the manufacturer-recommended engine oil or a high-quality full synthetic oil.
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Why Did Zeekr Split from Lynk & Co?

Possibly due to failed collaboration negotiations. The Zeekr 001 was originally the Lynk & Co ZERO in its early stages. Below are detailed insights: 1. Zeekr (ZEEKR) positions itself as a trendy tech brand: Ze: Signifies "extreme," representing the pursuit of ultimate product performance; ekr: Chemical element Kr, a rare gas that emits light during discharge, symbolizing technological innovation in the electric intelligence era. ZE stands for ZERO, starting from zero as both the origin and the endpoint of infinite possibilities; E denotes Electric, Evolution, and Era, embodying the evolutionary era of electric propulsion. 2. The pure electric vehicle brand "Zeekr" under Geely Holding Group has been officially established: The brand logo was officially unveiled. Concurrently, the production version of Lynk & Co ZERO-CONCEPT previously announced by Geely will debut as Zeekr's first model, the "Zeekr 001".
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What are the causes of car stalling at idle and how to deal with it?

Causes of unstable idle speed and easy stalling in cars include, for example, air intake system leaks, low fuel pressure, clogged air filters, injector atomization leaks, improper idle adjustment, poor spark plug performance, air flow meter failure, etc. Here is extended information on car stalling at idle: 1. Under normal circumstances, the intake air volume must be strictly limited. If there is an intake pipe leak, the air flow sensor cannot measure the actual intake air volume, causing the electronic control unit to inaccurately control the intake air volume, resulting in unstable idle speed. 2. Injector dripping or clogging, or circuit faults affecting the quantity and quality of fuel injection, prevent the injectors from spraying fuel according to the electronic control unit's instructions, leading to an excessively rich or lean mixture, causing poor performance in individual cylinders and unstable idle speed. 3. The air flow meter is one of the main bases for the electronic control unit to determine fuel injection. Faults in the air flow meter or its circuit prevent the electronic control unit from receiving the air flow signal or receiving a distorted signal, leading to inaccurate fuel injection by the injectors, an excessively rich or lean mixture, resulting in excessively low speed and misfires.
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What causes the TC yellow light to appear on a Cadillac?

The "TC" indicator on the dashboard corresponds to the Traction Control System, also known as the Track Control System. If the traction control switch next to the gear shift lever is turned off, the indicator light will illuminate. If the driver did not accidentally press it, it indicates a fault in the traction control system. The following situations can cause the traction control system fault light to come on: 1. Solenoid valve failure; 2. Dirty engine oil clogging the solenoid valve filter; 3. Wear between the actuator gear and impeller causing oil pressure leakage, triggering an alarm; 4. Dirty throttle body, with an opening reaching 20%, causing the engine computer to misjudge a TC fault.
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