Wiper Arm: Testing and Inspection

Wiper Blade Contact Angle, Checking And Adjusting

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

Special tools, testers and auxiliary items required







- Wiper arm setting device 3358B
- 24 mm open end wrench
- Torque wrench

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







- Insert wiper arm -5- into wiper Wiper arm setting device 3358B and secure with locking screw -3-.
- Check contact angle.

Contact angle (specification)
Drivers side - 3 degrees
Passengers side - 3 degrees
Tolerance ± 2 degrees

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 -5- 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.