Car wipers: Structure and how to use?

Rain wipers are probably no longer an unfamiliar part to many car users. But do people clearly understand its structure and uses? The article below from CARON PRO will help you have an overview of the structure of car wipers, thereby helping you use them more easily.

What are car wipers?

Car wipers

Car wipers were invented by Mary Anderson in 1905 and it took nearly 11 years for this part to be recognized as a mandatory standard equipment on every car in the US. This is a part of the car that is responsible for removing dirt and rainwater from the windshield, helping the driver’s vision become clearer. Wipers are usually attached to a motor connected to a control button inside the car. The driver can press a button to let the motor clean by wiping water and dirt off the glass. Today, more modern and high-end car models are also equipped with automatic wipers. Automatic wipers when the sensor detects rainwater or the car’s glass is dirty, the car will automatically spray glass cleaner and wipe until the glass is clean.

Structure of car wipers?

Car wipers are made up of two main mechanical systems:

  • Wiper control switch cluster: Responsible for wiping water and washing glass; wiper motor assembly; water pump; wiper blades; glass cleaner bottle; fountain.
  • Wiper switch cluster: Depending on the type of vehicle, there will be different modes, but basically, it usually has modes such as: turning on, turning off glass washer spray.

Wiper operating modes: OFF – off, LOW – slow speed wiper, HIGH – high speed wiper, INT – intermittent wiper, MIST – foggy weather.

Classification of car wipers?

Classified by mounting location

Wipers installed on the front windshield:
Wiper on the front windshield

When a car moves outside frequently, it is easy to get dusty and dirty. When it rains, rainwater sticks to the glass, limiting the driver’s vision, making it unsafe to drive. That’s why most cars have rain wipers installed in the front windshield. This is an extremely important equipment, helping to ensure user safety when driving. In addition, wipers are also an effective support tool to help wash and clean glass more cleanly.

Wipers installed on the rear windshield:
Wiper on the rear windshield

When the rear windshield of a car is dirty, it will make it difficult to see when backing up and affect the aesthetics of the car. Therefore, on many modern car models today, most are equipped with an additional wiper on the rear windshield to ensure drivers can easily observe and be safer when backing up.

Classified by wiper blades

Rubber wiper:

This is a type of wiper with a blade made from rubber material. It is a traditional type of wiper that was used very commonly in the past because it was cheap, had relatively good cleaning ability, and was equipped on many popular car models. However, because the blade of this type of rod is made from rubber, it is susceptible to aging after a period of use. Constant exposure to sun and rain also causes rubber wipers to quickly harden and crack. The average lifespan of rubber wipers is about 6 months.

Silicon wiper:

This is a fairly new product line, with many superior improvements compared to traditional rubber wipers that use blades made from silicon. Compared to rubber wipers, they provide better cleaning ability and the silicone wiper blades are softer and smoother. The durability of this product line is also rated better. However, the cost of silicone wipers will be higher than wipers with rubber blades.

Classified by wiper frame

Iron frame wiper:
Iron frame wiper

Iron frame wipers, also known as hard frame wipers, are often equipped on older car models. It is usually made of iron and covered with a layer of anti-rust electrostatic paint on the outside. Iron frame wipers are composed of many joints and bars linked together to ensure uniform force transmission. Nowadays, this type of iron frame wipers is no longer commonly used because they are quite heavy and easily rusty, losing performance after a period of use. Most car manufacturers have replaced iron frame wipers with wipers made of lighter and more durable materials.

Soft frame wiper:
Soft frame wiper

Soft frame wipers are also known as boneless wipers. This type of wiper is currently used by many car manufacturers. The material used to make the wiper frame is usually rubber or silicon, so it has good durability and is lighter in weight than the old type made of metal. Soft frame wipers use a new structure to help the wiper arm fit closer and closer to the glass surface. Besides, the flexibility of soft frame wipers is also higher than iron frame wipers.

3-piece wiper:
3-piece wiper

3-section wipers are a type of wiper commonly used on current car models. The wiper frame of this type of wiper is made from ABS plastic and divided into 3 sections connected by a steel core to ensure strong and even force transmission. The stability of this type of lever is considered good, with no vibration when the vehicle moves at high speed. In addition, the cleaning ability of this type of wiper is also considered the best of any type on the market today.

How to use car wipers correctly?

According to researchers’ recommendations, you should only use windshield wipers in case of rain, or when the windshield is too dusty and not cleaned, obstructing visibility. Do not use windshield wipers when not necessary to save fuel.

How to turn on car wipers

To turn on car wipers, you need to turn on the front windshield wipers and the rear windshield wipers.

How to turn on the car’s front windshield wipers: Push the wiper lever up one notch to use the one-time wiper feature. Then pull the wiper lever down to turn on the automatic wiper feature. Then the wipers will continuously run until you turn off the switch. You can adjust to change the wiper speed quickly or slowly on the knob located in the middle of the switch. Finally, pull the wiper lever toward the steering wheel to spray glass washer fluid.

Be careful when driving in heavy rain, keep the wiper speed from medium to fast so that rainwater is pushed away as quickly as possible and helps minimize limited visibility while driving. If traveling in drizzle, light rain or fog, you can use the wiper function once or at a slow speed.

How to turn on the rear windshield wiper: Turn the outermost knob to turn on the water spray and one-time wiper/automatic wiper features. You can look through the center rearview mirror to watch the rear windshield wiper operate without having to turn your head to look.

How to turn off car wipers

How to turn off car wipers: Push back the right wiper behind the steering wheel to its original position. Usually, each step of this lever will have a sound when entering each position so it can easily enter the correct off position. In addition, you can observe the wiper and if you see it has stopped working, the wiper is turned off.

With the rear wiper, you just need to use the outer knob of the control bar and turn it to the OFF position. Thus, the rear car wiper will stop working.

How often do you need to replace car wipers?

According to car care and maintenance experts, with the hot and humid tropical climate in Vietnam, car owners should replace wiper blades after about 12-18 months of use, in which the rubber covering the wiper blade can be removed. Recommended to be replaced every 6-12 months.

Besides, if your car often travels in harsh conditions: heavy rainstorms, continuous intense heat, etc., you will need to replace the wiper blades sooner.

Signs of broken car wipers?

The wiper arm is broken

The wiper lever creates streaks, the glass is blurred

This is a common sign when wipers are degraded. The reason is that the wiper blade is hardened, has a lot of dirt stuck to it, and the surface is no longer smooth and flat. So when wiping, the glass often has streaks and water smudges. If you notice that the wipers are still operating normally but the windshield surface is foggy like there is a thin layer of mist, the car owner needs to clean the wipers immediately because this is a sign that the wiper blades are covered with a lot of dirt and should not be damaged. Removes the existing dust layer on the glass surface.

Wipers do not clear water

Two car wiper blades have been designed to work together to clear water from the windshield. If you find that the wipers do not remove all the water, you need to check the wipers. In this case, it may be because part of the rubber blade cushion is cracked, the cushion does not adhere to the glass surface, or the wiper has a problem.

Lever The rain makes strange noises

Squealing wiper noise is one of the common signs that the wipers are having problems. After a period of use, the rubber coating on the wiper blade can erode, causing the plastic and metal inside to be exposed and rub against the windshield surface, creating a screeching sound. It may also be due to damaged tongue tie rods. If the fault is in the tie rod, the wiper arm will not create enough force to press the wiper blade against the glass surface, resulting in the wiper making noise and not cleaning the water. In addition, a weak motor is also a cause of noise when the wipers operate.

The wiper blade is worn outhard bottle

The wiper blade part of the wiper is covered with rubber and is in direct contact with the glass. Depending on the level of use and conditions of use, the blade life will vary. The wiper blade, whether rubber or silicone, when new is usually soft, flexible and smooth. But when it ages, it will wear out, crack, tear, and harden. If the rubber part is peeled off, degraded or covered with a lot of small dirt, when the lever is operated it can cause light scratches on the glass surface. Over time, light scratches can become dark streaks that stain the glass, obstructing the driver’s vision.

Lever or locking pins Rusty

When you observe that your car’s wiper blades or locking pins are rusted, it means that the wipers are seriously degraded and need to be replaced as a whole set.

The trajectory of the wiper arm is not working properly

During use, you need to pay attention to the trajectory of the wiper to determine whether the wiper is operating stably or not. If the wiper orbit creates thin flat strips, it is possible that the rubber-coated blade is cracked or hardened, and if it is a door thread shape, the rubber blade may be deformed.

When you notice signs of degraded or broken windshield wipers, you should quickly check and replace them to ensure good performance and safety when driving.

Reputable car maintenance address


CarOn Pro – 5S standard car service system

Caron Pro is trusted and known by customers as a chain of 5S standard auto repair service centers. With extremely modern equipment, genuine spare parts, skilled technicians, a full range of services at extremely affordable prices and quality. With a variety of services and products, CarOn is committed to providing the most dedicated quality and service.

Please contact us immediately via Hotline: 1900633612 or 0919009069

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Phone: 0919009069
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Phone: 0963598600

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