Cavalier/Z24 V6-191 3.1L (1990)
Wiper Blade: Customer Interest
Windshield Wiper Blades - Chatter
Number: 91-358A-8E
Section: 8E
Date: APRIL 1992
Coporate Bulletin No.: 131029R
ASE No.: B1
Subject:
WINDSHIELD WIPER BLADE CHATTER
Model and Year:
1988-91 CAVALIER
THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN 91-358-8E, DATED JUNE 1991. THE VEHICLE
IDENTIFICATION NUMBERS (VIN) HAVE BEEN CORRECTED. ALL COPIES OF 91-358-8E SHOULD BE DISCARDED.
IMPORTANT:
Before replacing any part, clean windshield and both blades with GM windshield cleaner, P/N 1050011 or equivalent. The glass is clean when rinse
water does not "bead-up" across entire glass surface. Multiple cleaning may be required to remove all contaminants. Also, clean the wiper blades by
using a cloth that has been saturated with full strength washer solution and wiping vigorously. Rinse the blades with clean water after cleaning.
Condition:
Some 1988-1991 "J" cars built prior to the VIN Breakpoints listed below may exhibit windshield wiper chatter or reduced wipeability at road speeds. A
revised graphite impregnated wiper blade insert was used in production to improve wiper performance.
VIN BREAKPOINTS
Chevrolet
MJ180300
M7153762
Pontiac
M7566731
Correction:
Install revised insert. Carefully inspect blade assembly for bent or damaged conditions. Install revised wiper blade assembly if any damage is found.
P/N 22121047
Insert Wiper Blade
P/N 5049926
Blade, Assembly With Insert
Parts are currently available from GMSPO.
Labor Operation Number: T1746
Labor Time: 0.3 Hours
