K 2500 Truck 4WD V8-8.1L VIN G (2001)
4. Center punch each of the 4 weld marks on the original hinge base.
IMPORTANT: Do not drill into the door (1).
5. Drill through the hinge base (2) only, at each punch location. Use a 13 mm (1/2 in) rotabroach hole saw (3) or equivalent.
6. Remove the hinge. If necessary, use a chisel in order to separate the hinge from the door.
7. Remove all of the remaining weld from the door surface in order to ensure a flush fit of the service hinge.
INSTALLATION PROCEDURE
1. Repair any damage done to the door during the drilling or the removal of the hinge.
2. Clean and prepare the backing plate mounting surfaces in order to ensure a flush fit of the backing plate.
3. Position the service hinge within the scribe marks on the door.
4. Center punch each hole location on the door according to the service hinge.
5. Drill a 3 mm (1/8 in) pilot hole at each center punch location.
IMPORTANT: Drill must be exact size.
6. Drill an 11.5 mm (29/64 in) hole at the pilot locations.