Chevette L4-98 1.6L (1982)
Window Seal: All Technical Service Bulletins
Door Glass - Windnoise
Number:
83-T-63
Section:
I
Date:
July, 1983
Subject:
WINDNOISE - "T" CAR - ALL MODEL YEARS CHEVETTE
FIGURE 1 - GLASS RUN CHANNEL WEATHERSTRIP
TO:
ALL CHEVROLET DEALERS
Some Chevettes may experience windnoise. Three (3) areas of windnoise occurrence are detailed below.
CONDITION
1
Condition :
Windnoise at the butt joint of the glass run channel weatherstrip to the window belt sealing strip.
Cause :
Gaps between the glass run channel weatherstrip and the window belt sealing strip.
Correction :
Some conditions may be corrected by partially removing the glass run channel weatherstrip and stretching it, then reinstalling the
weatherstrip starting at the butt joint. Other conditions may be corrected by sealing the butt joint (Figure 1).
CONDITION
2
Condition :
Windnoise at the lower leading edge of the front door belt sealing strip.
Cause :
Air leaking under the sealing strip.
