Wiper Blade: Testing and Inspection

Wiper Blade Contact Angle, Checking And Adjusting

NOTE:
- The following procedure is not applicable to the "Aero-wiper" wiper arm/blade design installed as a running change during m.y. 2002.
- Check wiper blade contact angle on conventional blades (through m.y. 2001) only if wiper blades skip, judder or make noise.

Special tools and equipment







- Wiper arm setting device 3358B







- 24 mm open end wrench
- Torque wrench

- Bring wiper arm to park position.
- Remove wiper blade.







- Insert wiper arm -2- into setting device and secure with lock screw -3-.
- Check contact angle.







Adjust contact angle to specification, if required, as follows:







- Place 24 mm open end wrench -1- on setting device and adjust wiper arm -2- to specification (arrows).
- Release wiper arm -2- from setting device and then re-secure with lock screw -3-.
- Compare adjustment readout with table. If necessary repeat adjustment.
- Remove setting device and install wiper blade.
- Wiper arm tightening torque: 20 Nm (15 ft. lb)
- Check that wiper system operates without skipping.