Wiper Blade: Testing and Inspection
Wiper Blade Element Check
1. Remove the blade from the wiper arm. Refer to Windshield Wiper Blade Replacement Windshield Wiper Blade Replacement.
2. Look down the length of the wiper blade core element.
3. If the blade core element contacting the glass is not ±15 degree within the wiper central line, then replace the blade core element. Install the wiper blades on the wiper arms.