They are secured with a nut to hold the arm in place which can cause the corrosion to occur. It was difficult to remove these wiper arms without breaking or damaging them or scratching the cowling.
Battery Terminal and Wiper Arm Puller Tools, Windshield Wiper Arm Removal Tool
GT Tools Windshield Removal Tool Kit – Standard Full Kit to Start Your Business
GT Tools windshield cut Out Cord & Wire Auto Glass Removal System, Final Cut
Car Wiper Cleaner Windshield Wiper Wiper Repair Tool Windshield Windshield
Glass Technology Basic Windshield Removal Tool Kit by GT Tools - Standard Tools
