K 1500 Truck 4WD V8-350 5.7L (1986)
Front Door Panel: By Symptom
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.
Chevrolet
GMC
GF388968
GF721427
GF167152
GF520199
GJ156681
GJ521709
