V 3500 P/U 4WD V8-350 5.7L VIN M 4-bbl (1987)
Seat Back Frame: All Technical Service Bulletins
Third Seat Back - Sagging
GMC NUMBER:
87-T-69
GROUP:
10 - Body Section
DATE:
July, 1987
CORPORATE
NUMBER:
761607
SUBJECT:
THIRD SEAT BACK SUPPORT
MODELS:
1985-1987 SUBURBANS WITH THIRD SEATS (OPTION CODE AS3)
FIGURE NO. 1
Some 1985-87 Suburbans may experience a sagging condition in the upper corners of the third bench seat backs as shown in Figure No.
1.
This sagging condition is due to a lack of support in this area. To repair this condition, the following procedure can be used.
PROCEDURE
1.
Remove seat back from vehicle.
2.
Remove seat back cover and cushion.
