How To Repair Wiper Arm. Wiper motor arm disengaged or slipping on drive shaft. Release the slide lock on the wiper arm and rock the wiper arm back and forth using both hands to stabilize the arm until it comes off of the wiper post.
Lift the plastic cover and remove the retaining nut. Remove the 15mm nut from the wiper arm. To diagnose bring the windshield wiper to the center - hit the windshield and examine the blade assembly.
Windshield wiper arms can stop working due to a variety of factors.
To fix the problem permanently replace the wiper arm available at an auto parts store. Release the slide lock on the wiper arm and rock the wiper arm back and forth using both hands to stabilize the arm until it comes off of the wiper post. Remove the screw and pry the arm off of the post. Order Today Ships Today.
