Introduction by an Automotive Wiper Manufacturer on Matters Related to Wiper Replacement

　　Typically, wiper blades have a service life of about one year; while frameless wipers may last slightly longer, it is rare for any wiper to remain functional for more than two years. Exposure to summer sun and winter cold causes the rubber strips to age and crack. If, when operating the wipers, you notice streaks, smears, vibrations, or unusual noise on the windshield, it’s time to replace them. Below, an automotive wiper manufacturer will outline the key considerations for replacing your wiper blades.

　　I. How to Extend the Lifespan of Your Windshield Wipers?

　　1. When the windshield is very dirty, gently wipe off the dirt with a dry cloth before using the wipers to reduce unnecessary wear on the wiper blades.

　　2. Do not spray washer fluid directly onto the windshield, and do not allow it to dry before wiping. This can lead to abnormal wear of the wiper blade coating and damage to the wiper motor.

　　3. If the wiper blade is not wiping effectively, dampen the blade with water, then sand it back and forth several times using wet sandpaper. After thoroughly rinsing it with clean water, reinstall the windshield wiper and test the wipe several times. This method is only suitable for minor damage to the wiper blade and should be tried multiple times if necessary.

　　II. Precautions for Replacing Windshield Wipers:

　　Some vehicle models feature hidden-style wiper mechanisms, so the wiper arms will not lift when the engine is turned off. For campers, first ensure the vehicle is idling, then turn off the ignition and switch the key to the “OFF” position—be careful not to remove the key. Next, push the wiper lever into the “park” position; once the wipers come to a stop in the vertical position, they can be replaced. After replacement, re-energize the system and the wipers will return to their default position. For vehicles of other brands, refer to the owner’s manual for guidance; however, for those who prefer convenience, it’s easiest to call the manufacturer’s 4S dealership for assistance.

　　It is important to note that installation does not automatically guarantee proper operation. Be sure to install the wipers first before testing them, to avoid improper functioning or safety issues while driving.

　　III. Introduction to Automobile Wiper Manufacturers and How to Replace Wipers.

　　1. Windshield wipers consist of four main components: the rocker arm, the bracket, the mounting knob for the rocker arm and bracket, and the rubber blade. They are available in three mounting styles: hook-type, plug-in, and screw-mounted.

　　2. The typical size of wiper blades for passenger cars ranges from 19 to 21 inches. Since wipers are wear-and-tear parts, even standard products usually come without a warranty; therefore, it’s important to choose a well-reviewed brand.

　　3. If you choose a brand that is well-regarded and compatible with your vehicle model, you can skip the 4S dealership and instead take it to a regular auto repair shop or install the parts yourself.

　　How do I replace my car’s windshield wipers myself?

　　1. First, you need to determine the specifications of your vehicle’s wipers. You can refer to the owner’s manual to find the wiper model listed there.

　　2. Please ensure that the connection method between the piston rod and the wiper arm is consistent, as some arms are secured with screws while others are locked in place with clips.

　　3. Lift the wiper blade and inspect the rubber blade after wiping with your fingers to check for damage or loss of elasticity. If the blade is aged, hardened, or cracked, the wiper will fail. During testing, set the wiper switch to each speed setting and verify that the wiper maintains a consistent speed at different settings. It is also important to ensure that the wiper maintains a steady speed during operation, particularly in intermittent mode.

　　4. Inspect the condition of the wiper blades and check for uneven oscillation or incomplete wiping. If any of the following three conditions are present, the wiper fails inspection: first, the blade does not oscillate properly and cannot move smoothly; second, the rubber contact surface does not make full contact with the glass, resulting in residual streaks after wiping;

　　3. After wiping, a water film forms on the glass surface, accompanied by fine streaks, haze, and linear residues.

　　1. During testing, pay close attention to whether the motor produces any abnormal noise, particularly when the wiper motor hums but does not rotate. This indicates that the mechanical transmission components of the wiper are rusted or jammed. In such cases, immediately turn off the wiper switch to prevent the motor from burning out.

　　4. Some people also believe that the longer the wiper blade, the larger the wiping area and the better the visibility. In fact, longer wipers are not necessarily better. While increasing the length of the wiper blade can expand the visible field of view, it also places a greater load on the wiper motor and the wiper arm. Of course, the blade can be extended, but care must be taken to ensure that this does not interfere with the wiper’s normal operation.

　　The above is an overview provided by the automotive wiper manufacturer on how to replace wiper blades. For more information, please feel free to contact us at any time! Our company has many years of experience and looks forward to welcoming you aboard.