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New Wiper Leaves Water Marks on Return Stroke?

1 Answers
SavannahAnn
07/30/25 12:12am
Water marks are not necessarily caused by the wiper; it could be due to an oil film on the windshield. Here is some relevant information about oil film on the windshield: 1. How to determine if there is an oil film: To check for an oil film, simply pour a basin of water onto the windshield. If many small water droplets adhere to the surface, it indicates the presence of an oil film. 2. How to remove the oil film: This oil film has strong adhesion to water, making it difficult to remove even with wiper strokes. It is necessary to use the cleaning effect of a glass cleaner to thoroughly remove the oil film. If the new wiper is of poor quality with rough rubber, it will not only leave water marks (incomplete wiping) but also produce a squeaking noise. In this case, sandpaper can be used to smooth the rubber. If the issue is uneven pressure causing the wiper to wipe poorly, the distance between the springs should be adjusted.
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What are the maintenance items for a private car at 60,000 kilometers?

Private car maintenance items at 60,000 kilometers include the following: 1. Replace all vehicle fluids. For example: brake fluid, power steering fluid, transmission fluid, coolant. 2. Timing belt. 3. Cleaning of carbon deposits in the fuel system. 4. Replace the three filters of the car. For example: air filter, fuel filter, oil filter. Below are the maintenance intervals for other car items: 1. Tires are generally replaced every 50,000-60,000 kilometers. 2. Brake pads are replaced approximately every 50,000 kilometers. 3. Brake fluid is checked every 50,000 kilometers. 4. Spark plugs are checked approximately every 40,000 kilometers. 5. The battery is generally replaced every 4-5 years.
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What is the lever used for shifting gears in a car called?

The lever in a car is called the gear shift lever. By operating the gear shift lever to change the engagement and disengagement of transmission gears with different ratios, the car can achieve acceleration, deceleration, or reversing. In manual transmission cars, the gear positions of the transmission vary depending on the model. Precautions for using the gear shift lever: When shifting gears with the gear shift lever, keep your eyes on the road ahead. Do not look down at the gear shift lever or force it to move. If you cannot engage a gear before starting a manual transmission car, you can release and press the clutch pedal once before trying again. When shifting into reverse gear, ensure the vehicle is completely stopped, disengage the reverse gear lock mechanism, and then engage the gear. After moving the gear shift lever into neutral, avoid shaking it back and forth. Incorrect adjustment of the gear shift lever can cause a mismatch between its position and the actual position of the manual valve in the automatic transmission valve body, preventing the lever from entering the parking gear or low forward gear. It may also result in inconsistency between the gear shift lever position and the gear indicator lights on the dashboard, or even prevent the engine from starting in neutral or parking gear. To use the gear shift lever correctly, the driver should lightly grip the gear shift knob with the palm of the right hand, naturally wrapping the fingers around it. Operate the gear shift lever using the strength of the wrist and elbow joint to switch between different gears. Before shifting gears in a manual transmission car, always press the clutch pedal first.
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Does the Hongqi H5 have a particulate filter?

Hongqi H5 does not have a particulate filter. Here is relevant information about particulate filters: Function: Particulate filters can reduce soot produced by diesel engines by over 90%. The captured particulate emissions are subsequently burned off during vehicle operation. Basic working principle: For example, when a diesel particulate filter is coated with platinum, rhodium, or palladium metals, the black smoke containing carbon particles emitted from diesel engines enters the exhaust particulate trap through a dedicated pipeline. After passing through its densely arranged bag-type filters inside, the carbon particles are adsorbed onto filters made of metal fiber felt. When the adsorption amount reaches a certain level, the burner at the end automatically ignites to burn off the adsorbed carbon particles, converting them into harmless carbon dioxide that is then expelled.
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How is the real reputation of the Trumpchi GA6?

The real reputation of the Trumpchi GA6 is quite good. The relevant introduction of the Trumpchi GA6 is as follows: Interior: The new car emphasizes a sense of quality and technology in its design. The entire dashboard uses more gentle curves for detailing, complemented by distinctive panels, giving a feeling of elegance and stability, with a noticeably enhanced sense of premium quality. The 12-inch high-definition large screen becomes the most eye-catching part of the dashboard, a design increasingly applied in domestic brand models, full of technological appeal. Configuration: It is equipped with Trumpchi's latest Qiyun Intelligent System, integrating rich functions including online music, radio, and software expansion, among other internet-based features. The voice recognition function uses the iFLYTEK voice recognition system, supporting natural language with high recognition rates and a wide range of functions. Beyond the conventional controls like playing music and adjusting the air conditioning, it can also control windows, wipers, etc., offering excellent practicality.
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What is the 0-100km/h acceleration time of the Spirior?

The hybrid version of the Spirior has a 0-100km/h acceleration time of 8.4 seconds, the 2.0L version takes 11.9 seconds, and the 2.4L version takes 8.6 seconds. More details about the Spirior are as follows: Spirior's configuration: Equipped with a 2.4-liter engine with the model code K24Z5 Spirior's engine: The hybrid version's engine has a maximum power of 146 horsepower, with the electric motor delivering up to 184 horsepower. The 2.0L engine produces a maximum power of 114kw and a maximum torque of 190 Nm, while the 2.4L engine has a maximum power of 153kw and a maximum torque of 247 Nm.
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Is Power Steering Fluid the Same as Hydraulic Oil?

Power steering fluid and hydraulic oil are not the same. The specific differences are as follows: 1. Power steering fluid: Power steering fluid is a special liquid used in automotive power steering pumps. Through hydraulic action, it makes the steering wheel very light and easy to turn, similar to automatic transmission fluid, brake fluid, and shock absorber fluid. 2. Hydraulic oil: Hydraulic oil is oil produced through hydraulic processes. Hydraulics is a term used in the mechanical and electromechanical industries. Hydraulics can be used as a power transmission method, known as hydraulic transmission. It can also be used as a control method, referred to as hydraulic control.
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