K 2500 Suburban 4WD V8-6.0L VIN U (2001)
5. Drill through the hinge base only, at each punch location. Use a 13 mm (1/2 in) rotabroach hole saw or equivalent.
6. Remove the hinge. If necessary, use a chisel in order 10 separate the hinge from the pillar.
7. Remove all of the remaining weld from the pillar surface in order to ensure a flush fit of the service hinge.
INSTALLATION PROCEDURE
1. Repair any damage done to the pillar during the drilling or the removal of the hinge.
2. Position the service hinge within the scribe marks on the pillar.
3. Center punch each stud location on the hinge pillar according to the service hinge.
4. Drill a 3 mm (1/8 in) pilot hole at each center punch location.
IMPORTANT: Drill must be exact size.
5. Drill an 11.5 mm (29/64 in) hole at the pilot locations for the studs.
