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What Causes the Loud Friction Noise When New Car Wipers Scrape the Windshield?

1 Answers

ElisaLee

07/29/25 2:43pm

Generally, the noise is caused by sand particles trapped in the grooves on both sides of the wiper blade or due to aging and hardening of the wiper blade. Below is some relevant information: Main Components: The electric windshield wiper is driven by a motor and typically consists of a wiper arm, wiper blade assembly, rubber blade, blade holder, blade support, wiper arm spindle, wiper baseplate, motor, reduction gear, drive linkage, drive linkage hinge, wiper switch, and wiper switch knob. Working Principle: The left and right wiper blades are pressed against the outer surface of the windshield by the wiper arms. The motor drives the reduction gear to rotate, which then moves the drive linkage system back and forth, causing the wiper arms and blades to swing left and right, thereby wiping the windshield.

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What lights should be used when passing through an arched bridge or slope?

When passing through an arched bridge or slope, use the high and low beams alternately. Below are the regulations regarding the use of vehicle lights: 1. Turn signals: When turning left, changing lanes to the left, preparing to overtake, leaving a parking spot, or making a U-turn, the left turn signal should be activated in advance; when turning right, changing lanes to the right, returning to the original lane after overtaking, or parking by the roadside, the right turn signal should be activated in advance. 2. Special circumstances: When a vehicle passes through sharp curves, slopes, arched bridges, crosswalks, or intersections without traffic light control at night, it should alternately use high and low beams to signal. When approaching sections with limited visibility such as sharp curves or the top of a slope, or when overtaking or encountering an emergency, the vehicle should slow down and sound the horn as a warning.

Which car is the Volkswagen Talagon?

Volkswagen Talagon is the Volkswagen Talagon. Here is a brief introduction about the Volkswagen Talagon: 1. Basic information: As Volkswagen's latest global flagship SUV, the TALAGON is a heavyweight flagship product launched on the 30th anniversary of FAW-Volkswagen's establishment. 2. Development direction: On April 19, 2021, at the Shanghai Auto Show, the Talagon-TALAGON made its global debut. Its arrival will further enrich FAW-Volkswagen's SUV product matrix and lead the SUV family to explore new markets. As a new product in the large SUV market, the Talagon-TALAGON integrates high-end business and luxurious comfort design elements into its interior design. While meeting users' demands for SUV off-road performance and exterior design, it also fulfills users' all-scenario needs through its luxurious interior design.

How many centimeters can a nail penetrate a tire?

Different parts of a tire have varying thicknesses. The tread (crown) is approximately 16mm thick, and even thicker for off-road tires. The sidewall is about 6mm thick, while the bead area is around 12mm. From this, it can be understood that the tread is the thickest part of the tire, while the sidewall is the most vulnerable. When a tire is punctured by a nail, car owners can roughly assess whether the nail has penetrated based on these thickness measurements. Below is more information about car tire repairs: 1. External repair: Using a plug for a temporary fix is only suitable for emergencies and is not recommended for highway driving. 2. Internal repair: Mainly divided into three types - cold patch, hot patch, and mushroom plug. These three repair methods are suitable for highway driving, but with one condition: the tire should not have more than two existing patches, or the puncture wound should not exceed 6mm in size.

What to Do When the Brake Piston Doesn't Retract?

Here are the solutions for a brake piston that doesn't retract: 1. Stuck Brake Caliper Piston: A stuck brake caliper piston can cause braking resistance, keeping the caliper stationary. When braking, the caliper clamps the brake disc to perform the braking action. If the caliper is stuck, not only will the brake pedal fail to retract, but the car will also be unable to move forward, requiring the replacement of the brake caliper. 2. Incorrect Rear Axle Bearing Fixation: If the rear axle bearing is fixed or installed incorrectly, it can lead to wear, dryness, or damage of the rear wheel bearing. A car has four wheels, each connected to the body via bearings. If the bearings are misaligned, the entire vehicle body becomes uncoordinated, potentially causing the brake pads to be in an improper position, resulting in the brake not retracting. In this case, adjustment is necessary, preferably done at a repair shop.

Can I pull out a nail stuck in the tire?

Tires with nails stuck in them but not leaking air are not recommended to be pulled out, because if the nail has already punctured the tire, pulling it out may cause severe air leakage, making the vehicle unable to continue driving; moreover, if the tire pressure is high, pulling out the nail may even cause a tire blowout. There are two scenarios of tire air leakage as follows: 1. Fast leakage: When the nail on the tire is pulled out, you can hear the sound of air leaking from the tire, and it is visible to the naked eye that the tire loses pressure and goes flat. In this case, you should not continue driving, as it may lead to wheel rim deformation and is extremely dangerous. The correct approach is to stay in place and seek assistance. 2. Slow leakage: When the nail on the tire is pulled out and there is no obvious air leakage, it indicates that the leakage is very slow. You can drive slowly to the nearest repair shop for patching or replacement.

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