Windshield Wiper - Blade Chatter
Number: 83-I-116Section: I
Date: September, 1983
Subject: WINDSHIELD WIPER BLADE CHATTER 1982-1983 CELEBRITY
TO: ALL CHEVROLET DEALERS
To reduce windshield wiper blade chatter on 1983 Celebritys, a four degree (4~) twist to the blade attaching end of the wiper arm has been incorporated into production the fourth week of March, 1983.
Wiper Arm Assembly:
The new arm assemblies (20467905-6 for Chevrolet) can be identified by a "4" formed into the under surface of the wiper arm die cast base as shown in illustration.