Wiper Motor Linkage: Service and Repair
REMOVAL1. Remove wiper module. Refer to Windshield Wiper Module Removal and Installation.
2. With wiper module on bench, disconnect wiper arm linkage by inserting a screwdriver or equivalent between ball cap and linkage. Then twist and lift straight up on linkage.
INSTALLATION
For installation, reverse the above procedures. Using pliers or your hand, press the ball cap straight on to the ball stud.