Wiper Blades - Skip
Group: 92Number: 99-01
Date: Jan. 20, 1999
Subject:
Wiper Blades, Skipping
Model(s):
All Models See Chart
Supersedes T.B. Group 92 Number 95-01 dated April 10, 1995
Condition
Windshield wipers jerk or skip across windshield.
Service
Possible causes for skipping wiper blades:
^ Windshield scratched
^ Wiper blade rubber loose/torn
^ Wiper arms/blades loose/bent
^ Wiper blades waxed/deformed
^ Wiper blades dirty
^ Incorrect contact angle of wiper arm, see instructions below.
Note:
Always check (and adjust if possible) the wiper arm contact angle before replacing a blade for this condition.
Wiper Blades, cleaning
If wiper blades are dirty:
- Clean wiper blades and windshield glass using a solution of washer solvent (also described in Owner's Manual).
Note:
Explain cleaning procedure of wiper blades and windshield glass to the customer.
Wiper arm, adjusting contact angle
Adjust wiper arm contact angle as follows:
- Set wiper arms to rest position.
- Remove wiper blade.
- Insert wiper arm -2- into wiper arm adjustment tool 3358 and secure with retaining bolt -3-.
- Apply 24mm wrench -1- to adjustment tool and twist -arrows- wiper arm -2- to obtain specifications according to table below.
- Loosen retaining bolt -3- and remove adjustment tool from wiper arm and reinstall wiper blade.
Contact angle (specification) of wiper arms