Wiper Blade Contact Angle, Checking and Adjusting

Wiper blade contact angle, checking and adjusting


NOTE: Check contact angle only if wiper blades skip (udder) or make noises.


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 wiper arm setting device 3358B and secure with locking 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 locking screw -3-.
- Compare value set with table. Repeat adjustment and check sequence until specifications are achieved.
- Remove setting device and install wiper blade.
- Wiper arm tightening torque: 20 Nm (15 ft lb)
- Check that wiper system operates without skipping.