Wiper Blade: Testing and Inspection
Remove the wiper blade from the arm. Look down the length of the blade element. The rubber part of the element (2) that contacts the glass must be on the center line of the blade plus or minus 15 degrees (1).
Remove the wiper blade from the arm. Look down the length of the blade element. The rubber part of the element (2) that contacts the glass must be on the center line of the blade plus or minus 15 degrees (1).