How To Replace A Windshield Wiper Arm. Replacing your vehicles wiper blades is not as difficult as you might think but the process may be slightly different depending on the adapter the vehicle uses to attach the wiper blades to its wiper arm. Pull tightly so that the entire plastic assembly on the new wiper clicks into place.
All wiper arms fit onto a splined shaft Photo 1. This loosens it up for removal. Replacing your vehicles wiper blades is not as difficult as you might think but the process may be slightly different depending on the adapter the vehicle uses to attach the wiper blades to its wiper arm.
Start on the drivers side.
To replace that type just lift the protective cap remove the nut and pull off the arm Photo 2. Slide the blade down toward the windshield. To prevent damage to your windshield if the wipers turn on or the arm smacks the windshield. Some are held in place with a nut.
