C 2500 Truck 2WD V8-454 7.4L (1988)
Weatherstrip: All Technical Service Bulletins
Door - Reduce Dirt and Mud Buildup In the Door Sill Area
Number:
89-289-10
Section:
10
Date:
January 1990 Corporate Bulletin No.: 961006
Subject:
DOOR SILL DUST BUILD-UP/DUST INTRUSTION
Model and Year:
1988-89 C, K TRUCK
Figure 1
TO:
ALL CHEVROLET DEALERS
A secondary sealing strip is now available to reduce dirt and mud buildup in the door sill area, and assist in eliminating the entrance of mud, sand, and
dirt into the cab area. Additionally, this seal may be used against dust intrusion when used with door filters described in Dealer Service Bulletin No.
88-294-10. The secondary door sealing strips are available in kit P/N 12340815.