UPPER/LOWER DOOR SIDE HINGE REPLACEMENT PROCEDURE

VEHICLES AFFECTED: 1982-1984 S/T Light Duty Truck Models

The following service procedure is to be used when replacing the door mounted hinges on S/T trucks. Some service hinge parts will not have attachment holes included and a re-work method is called out in the following door side hinge service procedure.

Removal

Refer to Figure

1. Disconnect battery ground cable.

2. Remove door trim panel to gain access to inner door. (Refer to Section 10 of S/T Truck Service Manual.)

3. Place masking tape on outside of door and fender for an alignment guide when door is reinstalled.

4. Remove door from body. (Refer to Section 10 of S/T Truck Service Manual.) Care should be taken so that the door and exterior mirror are not damaged when placed on work table.

5. Remove all sealer from around hinge using a knife edge.

6. Scribe location of existing door hinge on door.

7. Centre punch each of the four weld locations on the original hinge.

8. Drill a 3mm (1/8 inch) pilot hole completely through centre of each door hinge weld.

9. Using the 3mm (1/8 inch) holes as a guide, drill out each weld with a 10mm (3/8 inch) drill. Remove hinge from door.

10. A slight amount of weld may still retain hinge base to the door. Drive a chisel between door and hinge base to separate hinge from door. File burrs and remove excess sealer to get a smooth surface. Clean any burrs or weld flash from inside door surface to assure proper clamp load and troque retention.

Installation

DO NOT weld on replacement hinges.

1. If holes are not located in hinge, position service hinge on scribed location on door.

2. Mark hole location from inside of door onto hinge.

3. Centre punch hole locations and drill 3mm (1/8 inch) pilot holes.

4. Using 3mm (1/8 inch) hole as a guide, drill 10mm (3/8 inch) holes.

5. Install hinge with attaching hardware and snug up for adjustment.

HINGE

PART PART NUMBER ----- ----------- Side door upper - left 14030525 Side door upper - right 14030526 Side door lower - both sides 14030529

ATTACHING HARDWARE-EACH DOOR HINGE

PART PART NUMBER QUANTITY ---- ----------- --------- Bolt 14060613 4 Hexlock nut 11500760 4 Flat washer 2436163 4

6. Paint body colour as required.

7. Install door to cab. Adjust door and torque bolts to 35N.m

8. Install door trim panel.

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.