Component Tests and General Diagnostics
WIPER ARM PRESSURE CHECK1. Run the wiper arm and the blade assemblies to the mid-wipe position.
2. Remove the wiper blades from the wiper arms. Refer to Wiper Arm Blade Replacement.
3. Attach a scale to the end of the wiper arm and measure the force required to lift the wiper arm perpendicular to the windshield to normal working height (height with the blade attached).
4. Replace the wiper arm if the measurement is not within the specification. Refer to Wiper Arm Replacement.
Tip Pressure
7.5-9.5 Newtons (27-34 Ounces)
5. Install the wiper blades on the wiper arms. Refer to Wiper Arm Blade Replacement.
BLADE ELEMENT SET CHECK
1. Remove the wiper blades from the wiper arms. Refer to Wiper Arm Blade Replacement.
2. Look down the length of the blade element.
3. Replace the wiper blade element if the rubber element which contacts the glass is not on the centerline of the blade +/-15 degrees. Refer to Wiper Blade Element Replacement.
4. Install the wiper blades on the wiper arms. Refer to Wiper Arm Blade Replacement.