C 1500 Truck 2WD V6-262 4.3L (1989)
PART INFORMATION (See Illustration)
Technical Service Bulletin # 9151010
Date: 920901
Door Module Area - Water Leaks
Number: 91-510-10
Section: 10
Date: SEPT. 1992
Corporate Bulletin No.: 261002
ASE No.: B1
Subject:
WATER LEAK IN THE DOOR MODULE AREA
Model and Year:
1988-91 C/K TRUCKS
Some owners of 1988-1991 C/K trucks may comment on a water leak at the door module vent valve, at the door module, or between the door trim panel
and door onto the primary weatherstrip. The cause of the water leak may be that the door module does not provide a water tight environment.