Some vehicles may exhibit a condition where the windshield wipers chatter and/or wipe unevenly. Several items may contribute to this condition. To completely repair this condition, all of the items listed should be tested and repaired as necessary.
| • | Clean the windshield glass. Refer to Windshield Glass Cleaning. | 
| • | Clean the wiper blade elements. Refer to Wiper Blade Element Cleaning. | 
| • | Replace the wiper blades, if necessary. Refer to Windshield Wiper Blade Replacement. |