Wiper arm: role, service and price

The wiper arm refers to one part of your car's wiper blades. It is the link between the wiper blade and its motor. Its position makes it necessary to transfer the power of the engine to the wiper blades so that they are set in motion at the desired frequency. In this article you will find answers to all your questions about the wiper arms: their role, the symptoms of their failure, how to remove them without an extractor and how much it costs to replace them!

🚘 What is the role of the wiper arms?

The wiper arm must be securely attached to the windshield for the windshield to function properly. Located between the wiper motor and brushes by themselves, it activates them as soon as the command is activated by the driver. Thus, he is responsible for inform the janitors about the speed of movement according to the needs of the motorist.

The wiper arms are not universal, they differ depending on the car model and the type of wiper. it quite sensitive parts which must be handled with care so as not to damage them. Indeed, they are the first to fail if you are injured in a collision or when your wipers have been damaged.

Made from the same materials as the wiper blades, they are pivotally connected to press against the vehicle windshield to keep them in contact with the wiper motor, which is necessary to propel the wiper blades. Average, their life span is 3 years... This may differ depending on the intensity of use of the wipers, as well as the weather conditions during their use.

⚠️ What are the symptoms of a broken wiper arm?

If you notice that your wipers are malfunctioning, it is very likely that the wiper arm is out of order. This will be evidenced by the following indicators:

• The wiper arm is rusted : Rust is crusted on one of the components of the brush, preventing it from functioning properly. Its appearance may be associated with the accumulation of dust and wet impurities;
• The wiper arm is deformed : deformation occurs mainly in the cuts of the hand, they can be deformed or covered with dirt. This will cause the wiper blades to slip;
• The wiper arm mounts are damaged. : The fastening nut can be loosened and this will cause play in the fasteners, which will no longer be properly held in place.
• Wiper arm locked : If the wiper arm deviates from its original position, it will be completely locked, especially if the blades are jammed.

When the wiper arm fails, you will no longer be able to properly use the wipers on your windshield. Therefore, we must act quickly to ensure maximum visibility on the road and other road users.

🛠️ How to remove the wiper arm without a puller?

It is strongly not recommended to remove the wiper arm without a puller. There are many methods such as use of penetrating oil type WD40 to be able to pull your hand out by pulling or using a knife to create a leverage effect.

However, these methods can seriously damage the wiper blades and wiper motor as well as various cables connected to it. In addition, a wiper arm puller is an inexpensive tool. Indeed, the first models are sold between 8 € and 10 €... So it's better to invest in this equipment than to damage your car's wiper system.

💸 How much does it cost to replace a wiper arm?

The cost of a new wiper arm is 10 € and 30 € by brands and models. Making changes doesn't take a lot of time, whether by yourself or by a professional in an auto shop.

On average, disassembling a faulty lever, installing a new lever and checking it takes 1 hour. In general, if you walk through the garage it will cost you between 40 € and 100 € change the wiper arm. If multiple levers need to be replaced, a larger part budget will be required.

The wiper arm is the necessary connection between the wipers and the motor. Thus, without it, the wipers are unlikely to work, and your visibility on the road may be difficult. If you're having problems with your wiper arms, use our garage comparator to find the closest one to you and have them repaired for the best price.