D150 1/2 Ton Pickup 2WD V6-239 3.9L VIN X FI (1988)
Seat Belt: Technical Service Bulletins
Front Seat Belt - Diagnostic Procedures
The following inspection procedure and flow chart has been developed to assist in the diagnosis of suspected defective seat belt tension relievers. This
procedure is applicable to all passenger cars and trucks with a seat belt tension reliever. Refer to chart on page 4, for list of vehicles equipped with a
tension reliever.
DIAGNOSIS/INSPECTION PROCEDURE
A.
Inspect Tension Reliever Mechanism (TR)
-
Sit in the front seat and close the adjacent door.
-
Buckle up the seat belt system and pull the webbing slack out of the lap belt portion of the belt system.
-
Pull at least 12" of the belt off the shoulder and let it fully retract.
-
Extract 2" of webbing and release.
NOTE:
THE WEBBING SHOULD NOT RETRACT.
B.
Inspect Tension Reliever Release (TRR)
-
Set the tension reliever mechanism as described in part "A."
-
Extract at least 12" of the webbing and release.
-
The webbing should fully retract.
Models
All 1988 C-E-G-JK-L-M- & P-Body Passenger Cars & All 1988 B-D- & S-Body Trucks
Subject
Front Seat Belt Tension Reliever Diagnostic Procedures
Index
BODY
Date
August 29, 1988
No.
23-11-88
P-3547 C23-10
C.
Inspect Tension Reliever Door Release Mechanism
-
Set the tension reliever mechanism as described in part "A."
-
Open the adjacent door.
-
The webbing should fully retract.
D.
Inspect Tension Reliever, Hand Depression of Plunger or Lever
NOTE:
ANOTHER PERSON MAY BE REQUIRED TO ASSIST.
-
With the door opened, fully depress the tension reliever button (plunger or lever).
-
Inspect the tension reliever as described in Section "A."
