Windshield - Cracking Prevention

GMC NUMBER: 87-T-70


GROUP: 10 - Body Section


DATE: July, 1987

CORPORATE
NUMBER: 761509
SUBJECT: WINDSHIELD CRACKING

MODELS: 1985-87 M VANS


Some 1985-87 M vans may develop a crack in the windshield which originates from the upper right or left corners.

FIGURE NO. 1:

When this condition occurs, or anytime windshield replacement is required, use the extended method as described in the appropriate service manual and move the upper right and left spacers outward to the farthest corner of the windshield frame as shown in Figure No. 1. Do not move the spacers into the curve of the windshield radius.
Relocation of these windshield spacers took place in production beginning with the following VIN

breakpoints:

Chevrolet HB110535

GMC HB502594