K 2500 Truck 4WD V8-379 6.2L DSL VIN J FI (1985)
NOTE:
It is imperative that the air valve assembly is not damaged and that it is reinstalled correctly. Failure to do so could result in cold air
and/or exhaust fume entry into the cab.
7.
Reinstall lower door trim panel.
The time required to perform the above service procedure on two doors is 0.4 hours.
Technical Service Bulletin # 86T221
Date: 870201
Door Trim Panel - Warp
CHEVROLET NUMBER: 86-T-221
SECTION:
10 - Body Section
DATE: February, 1987
SUBJECT:
DOOR TRIM PANEL WARP
MODELS:
1985-86 C/K MODELS
Figure No. 1 - Trim Panel Warpage Location
Door trim panel warpage has been reported on some 1985-86 C/K models just above the carpet at the lower edge of the door trim panel (See Figure
No.1).
Figure No. 2 - Door Trim Panel Seal
To repair this condition, a new seal (P/N 363139) has been released. This seal should be installed as shown in Figure No.2
Beginning with the following VIN breakpoints, this new seal was incorporated in production.