Sierra 1500 4WD V8-6.0L VIN U (2006)
Notice: Refer to Fastener Notice in Service Precautions.
2. Loosely install the pickup box fasteners (1) to the frame rails.
Tighten the retaining bolts to the frame rail to 85 N.m (63 lb ft).
3. Install the end gate.
4. Fasten the screws and the push-pin around the fuel filler neck.
5. Close the fuel filler door.
6. Install the tail lamp assembly.
7. Connect the tail lamp wiring connectors (1) at the rear lamps bussing block, at the rear of the vehicle.