MISALIGNMENT OF PICKUP BOX TO CAB

SUBJECT: MISALIGNMENT OF PICKUP BOX TO CAB (ENLARGE LEFT FRONT HOLE ON FRAME/REALIGN THE BOX TO THE CAB)

VEHICLES AFFECTED: 1982-93 "S/T" TRUCK

CONDITION:

--------- Some owners of 1982-1 993 S/T pickups may comment about misalignment of the pickup box to the cab.

CAUSE:

----- Misalignment may occur as a result of the frame mounting hole not allowing side to side adjustment.

CORRECTION:

---------- To correct, it is necessary to enlarge the left front hole on the frame at the front of the pickup box and realign the box to the cab.

SERVICE PROCEDURE:

1. Loosen all of the pickup box to frame bracket mounting bolts. Remove only the left corner bolt.

2. Raise and support the front left corner of the box approximately one inch (1").

3. Drill, from the bottom up, the left front hole in the frame mounting bracket enlarging the hole to approximately 17mm (11/16") ID.

4. Lower the box and loosely reinstall the left front corner mounting bolt.

5. Align the box to the cab body. Torque all the box to frame bracket mounting bolts 40-54 N.m (30-40 lbs ft).

WARRANTY INFORMATION:

For vehicles repaired under warranty use:

Labour Operation: B5300

Labour Time: 0.7 Hr

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.