The windshield wiper arm refers to one of the parts of your car’s windshield wipers. It makes the connection between the wiper blade and the motor. Its position makes it essential to allow the transmission of the force of the motor to the wiper blades to set them in motion at the desired frequency. In this article, you will find the answers to all your questions about wiper arms. Their role, the symptoms of their breakdown, how to replace windshield wiper arms!

What is the Role of the Windshield Wiper Arm?

The wiper arm must be securely attached to the windshield for the wiper to operate properly. Located between the wiper motor and the blade, it will activate them as soon as the driver activates the command. Thus, it is in charge of communicating the speed of movement to the windscreen wipers according to the motorist’s needs.

The wiper arms are not universal. They vary according to the vehicle models as well as their type of wiper. These are quite sensitive parts that must be handled with care at the risk of damaging them. Indeed, they are the first to break down.

Made of the same materials as the windscreen wipers, they are articulated to be flat against the vehicle’s windscreen to maintain their connection with the motor and the blades, essential for setting them in motion. On average, their lifespan is three years. This may differ depending on the frequency of use of the windshield wipers and also on the weather conditions during their use.

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What are the Symptoms of a Damaged Windshield Wiper Arm?

If you notice a malfunction with your windshield wipers, the wiper arm has likely failed. The following indicators will manifest this:

  • The wiper arm is rusty: the rust has been embedded, preventing it from working properly. Its appearance may be due to a pile of dust and wet impurities.
  • The wiper arm is deformed: the deformation is mainly at the arm slots. They can be deformed or covered with dirt. This will cause the wiper blades to slip.
  • The wiper arm mountings are damaged: the mounting nut can be loosened, and mountings no longer hold correctly in place.
  • The wiper arm is blocked: if the arm deviates from its original position, it will be completely blocked.

When the wiper arm fails, you will no longer be able to use your wipers on your windshield. It is, therefore, necessary to act quickly to maintain maximum visibility of the road and other road users.

How to Replace?

  • The hood is opened and supported. Before removing the wiper arm, the wipers are placed where the wipers stay when not in use.
  • The vehicle’s defective wiper arms are removed.
  • New wiper arms are fixed. Use glass cleaner to remove marks.
  • The wipers are tested if they are operating properly and then close the hood.
  • The windshield wipers are inspected for appropriate operation with a hose spraying water on the windshield.

Wrapping Up

The wiper arm is the necessary junction between the blades and the motor. Thus, the windshield wipers will hardly work without it, and your visibility may be obstructed on the road. If you have any issue with your windshield wiper arms, use the Swezo garage comparator to find one near you and at the best price to repair them.

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